Page 2 - IMPORTANT; COPYRIGHT © 1999 CANON INC.
IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OFREFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLYFROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTEDMATTER. ANY QUESTIONS REGARDING INF...
Page 3 - INTRODUCTION
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) This service manual provides basic information required for performing field service to maintain the product quality and functions of the this machine. The structure of themanual is as described below. Each c...
Page 5 - iii
System configuration COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Main unit configur ation ADF-H1 Cassette Unit D1 Cassette unit E1 Modem board NCU board Modular board Super G3 FAX board 8MB expanded memory Digital black and white copier and facsimile D...
Page 6 - iv
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) iv Download Free Service Manual at http://printer1.blogspot.com
Page 7 - CONTENTS; CHAPTER 1 INTRODUCTION
CONTENTS CHAPTER 1 INTRODUCTION CHAPTER 2 BASIC OPERATION I. FEATURES ..............................................1-1 II. SPECIFICATIONS ...................................1-2 III. NAMES OF PARTS .................................1-6A. External view ......................................1-6B. Cross...
Page 9 - vii
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL / AUXILIARY MECHANISM CHAPTER 10 CASSETTE FEEDER CHAPTER 11 INSTALLATION CHAPTER 12 MAINTENANCE AND INSPECTION I. CONTROL PANEL ...................................9-1A. Overview ..............
Page 10 - viii
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) APPENDIX CHAPTER 13 TROUBLESHOOTING I. STANDARDS AND ADJUSTMENTS .....13-2A. Machanical system ..........................13-2B. Electrical System .............................13-9 II. IMAGE AND MACHINE MALFUN...
Page 13 - 00dpi high resolution copy
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-1 I. FEATURES < Copy function > • 1200 equivalent × 600dpi high resolution copy • Due to a new engine, high image quality printing with minute particle super fine toner (diamete...
Page 14 - Type
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-2 II. SPECIFICATIONS 1. Type 2. Method Item Main unit Copyboard Light source Lens Photosensitive medium Specifications Desk top Fixed Xenon lamp Fixed focal lens OPC ( φ 30) Item Copy...
Page 15 - Functions
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-3 3. Functions *1: 50 or less sheets of tracing paper (GNT-80) by cassette.*2: 50 or less sheets of OHP sheets by cassette (designated paper).*3: 1 or less sheets of tracing paper (GN...
Page 16 - Other
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-4 4. Other Item Operating Temperature range environment Humidity range Atmospheric pressure range Power supply Cassette Feeding Module-D1 Cassette Feeding Module-E1 Power Maximum cons...
Page 17 - Copy speed
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-5 5. Copy speed Reproduction mode Direct copy Size A4 (210 × 297mm) A3 (297 × 420mm) B4 (257 × 364mm) A4R (297 × 210mm) B5 (182 × 257mm) B5R (257 × 182mm) A4 (148.5 × 210mm) LTR (216 ...
Page 18 - External view; Main unit; ADF standard equipment model
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-6 III. NAMES OF PARTS A. External view Main unit ADF standard equipment model Figure 1-301 Figure 1-302 Copyboard cover model Figure 1-303 Figure 1-304 Cassette feeder (accessory) Fig...
Page 20 - Cross sectional diagram
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-8 B. Cross sectional diagram Figure 1-306 [1] [2] [5] [6] [7] [8] [12] [20] [24] [25] [26] [3] [4] [10] [13] [14] [15] [16] [17] [18] [19] [21] [27] [28] [29] [30] [31] [32] [33] [34]...
Page 22 - IV. OPERATION EXPLANATION; Control panel
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-10 IV. OPERATION EXPLANATION A. Control panel Figure 1-401 Copy Special Features 1 In Use/Memory Error F a x M o n i t o r Direct TX P r o g r a m Coded Dial Redial R Stamp Hook Retur...
Page 25 - Basic operation
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-13 B. Basic operation The basic operations of the copy keys on the operation panel are listed below. Table 1-401 C. Advanced features The basic operations of the advanced copy feature...
Page 26 - User mode; ting screen is displayed.; User mode for copies equipped with the fax function
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-14 D. User mode When the registration/setting key is pressed on the control panel, the user mode set- ting screen is displayed. The construction of the user mode is shown below. 1. Us...
Page 42 - User mode for copies equipped without the fax function
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-30 2. User mode for copies equipped without the fax function Figure 1-419 *1 Setting is only possible when a option cassette feeder is installed. 01 DATE/TIME SETTINGS REGISTRATION/SE...
Page 44 - V. ROUTINE MAINTENANCE TO BE CARRIED OUT BY; tral detergent and then wiped dry.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-32 V. ROUTINE MAINTENANCE TO BE CARRIED OUT BY THE USER Explain carefully to the user that the following part should be thoroughly cleaned once a week.1) The copyboard glass should be...
Page 45 - Laser beam safety
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-33 VI. SAFETY A. Laser beam safety 1. Laser beam safety This unit has been approved as a Class 1 product based on the American DHHS (Department of Health and Human Services) Radiation...
Page 46 - CDRH Regulations; CANON; Note
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-34 2. CDRH Regulations The American CDRH (Center for Device and Radiological Health), which belongs to the Food and Drug Administration, enforced regulations regarding laser products ...
Page 47 - Handling the laser unit; the laser beam will be reflected into the eyes.)
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-35 3. Handling the laser unit When servicing around the unit’s scanning assembly, take particular care not to put highly reflective tools, such as drivers, etc., in the path of the la...
Page 48 - Toner safety; Never throw the toner into fire - there is a danger of explosion.; Caution
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-36 B. Toner safety The toner is a non-toxic substance composed of plastic, iron and a small amount of pigment. If toner gets onto skin or clothes, wipe off as thoroughly as possible w...
Page 49 - Outline
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-37 VII. COPYING PROCESS A. Outline The construction of this unit, which employs the indirect method electro-static process, is shown in Figure 1-701. Figure 1-701 Figure 1-702 Lens Co...
Page 50 - Laser emission
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 INTRODUCTION 1-38 In this unit, the main image formation components; drum, toner, primary charging, developing and drum cartridge are integrated in a cartridge system. Furthermore, this unit employs...
Page 53 - Function configuration
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-1 I. BASIC OPERATION A. Function configuration The functions of the unit can broadly be divided into 7 blocks; pick-up/ feeding sys- tem, document exposure system, image processing...
Page 54 - Copy operation overview; ate in the direct copy mode or memory copy mode.; Conditions for the different copying methods
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-2 B. Copy operation overview This unit will, depending on the copy mode set by the customer, automatically oper- ate in the direct copy mode or memory copy mode. Memory copy: After...
Page 55 - II. ELECTRICAL CIRCUIT OVERVIEW; PCB and the IC on the DC controller PCB.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-3 II. ELECTRICAL CIRCUIT OVERVIEW The main electrical control of the unit is performed by the IC on the image processor PCB and the IC on the DC controller PCB. Fur thermore, the u...
Page 57 - Overview; output from DC controller PCB.; Rotation operation; is integrated with the motor drive circuit.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-5 IV. MAIN MOTOR 1. Overview The rotation and stopping of the main motor (M601) is controlled by the drive signal output from DC controller PCB. The DC controller PCB changes the s...
Page 65 - I. OPERATION OVERVIEW; CCD with the reflected light.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-1 I. OPERATION OVERVIEW A. Overview The image exposure system’s function is to expose the document, and irradiate the CCD with the reflected light. The scanning lamp irradiates the...
Page 66 - Exposure system sequence
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-2 B. Exposure system sequence Figure 3-103 Document scannermotor (M701) Scanner homeposition sensor (PS101) Scanning lamp Startkey ON STBY INTR SCFW SCRV SCRV SCFW LSTR STBY Downlo...
Page 67 - II. SCANNER DRIVE SYSTEM; Document scanner motor; which is controlled by the image processor PCB.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-3 II. SCANNER DRIVE SYSTEM A. Document scanner motor The document scanner motor (M701) uses a 2 phase excitation stepping motor which is controlled by the image processor PCB. The ...
Page 68 - Changing the magnification ratio
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-4 B. Changing the magnification ratio The magnification ratio in horizontal scanning direction (drum axis direction) is changed by line skipping (for reducing) when writing the ima...
Page 69 - and assembly procedures.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-5 III. DISASSEMBLY, ASSEMBLY This chapter describes mechanical features and operations as well as disassembly and assembly procedures. The following precautions must be observed du...
Page 70 - ) Remove the ADF or pressure plate
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-6 A. Scanning lamp 1) Remove the ADF or pressure plate (Refer to P.3-1 of the ADF ser vicemanual). 2) Remove the 2 installation screws, a n d t h e n r e m o v e t h e c o p y b o ...
Page 71 - ) Inser t a screwdriver into the upper
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-7 7) Remove one of the inverter PCB’s [5] connectors (CN2) [6]. 8) Inser t a screwdriver into the upper frame metal sheet’s front and backholes, and prise loose the 2 installa-tion...
Page 72 - ) Remove the 4 installation screws and
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 3-8 B. Document scanningmotor 1) Remove the 4 installation screws and remove the main unit’s rear cover. 2) Remove the copyboard cover open / shut sensor’s connector [1] 3) Remove th...
Page 73 - digital image processing are summarized.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM In this chapter the unit’s CCD/Analog processor PCB, analog image processing and digital image processing are summarized. I. OVERVIEW ...........................................
Page 76 - II. ANALOG IMAGE PROCESSING
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-2 II. ANALOG IMAGE PROCESSING A. Overview The analog processor PCB converts the CCD drive control and CCD output signals (analog signals) into digital signals. It also cont...
Page 78 - III. DIGITAL IMAGE PROCESSING; Analog processor PCB.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-4 III. DIGITAL IMAGE PROCESSING A. Overview The digital image processing assembly processes the image signals sent from the Analog processor PCB. The following block figure...
Page 79 - Shading correction
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-5 B. Shading correction Even when reflected light from a document with even density is detected by the CCD, the CCD output will not be consistent for the following reasons....
Page 81 - Magnification ratio process
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-7 C. Magnification ratio process The magnification ratio in horizontal scanning direction (drum axis direction) is changed by line skipping (for reducing) when writing the ...
Page 82 - Logarithmic correction; and that of the CCD output.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-8 E. Logarithmic correction The CCD output has linear characteristics with regards to the reflected light from the document, however, the density seen by the eye when looki...
Page 83 - Half tone density processing; light image or a dark image curve as shown in Figure 4-307.; Binarisation; recording resolution of 1200 x 600pdi equivalent.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-9 F. Half tone density processing The half tone density processing correction curve changes depending on the follow- ing: • The copy density setting on the control panel• T...
Page 85 - CCD unit; ) Remove the analog processor PCB
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE PROCESSING SYSTEM 4-11 A. CCD unit 1) Remove the 2 installation screws, r e m ove t h e c o py b o a r d g l a s s s t ay,a n d t h e n t a k e o u t t h e c o py b o a r dglass. 2) Unclip the...
Page 90 - Laser scanner motor rpm error
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 LASER EXPOSURE SYSTEM 5-2 Figure 5-102 Image processor PCB Laser driver PCB DC controller PCB Photosensitive drum BD sensor PCB Laser mirror BD mirror 6 sided mirror Laser scanner motor Condensing l...
Page 91 - II. BD SIGNAL GENERATION
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 LASER EXPOSURE SYSTEM 5-3 II. BD SIGNAL GENERATION A. Overview When the laser is illuminated onto the photosensitive drum, a laser emission start signal (horizontal sync. signal) is necessary. The l...
Page 92 - III. LASER DRIVER CIRCUIT; Operation
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 LASER EXPOSURE SYSTEM 5-4 III. LASER DRIVER CIRCUIT A. Operation This circuit turns the laser diode (LD) ON at a fixed light intensity. The fixed beam is based on a video signal (VDO*, VDO) which is...
Page 94 - IV. LASER SCANNER MOTOR CONTROL; Operation outline; laser scanner motor drive circuit.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 LASER EXPOSURE SYSTEM 5-6 IV. LASER SCANNER MOTOR CONTROL A. Operation outline The laser scanner motor is a 3 phase 8 pole DC brushless motor integrated, with the laser scanner motor drive circuit. ...
Page 96 - Laser scanner unit; ) Remove the pr inter from the main
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 LASER EXPOSURE SYSTEM 5-8 A. Laser scanner unit 1) Remove the pr inter from the main body. (Refer to 9-19) 2) Remove the mylar sheet [1] and the sponge [2] from the upper part of thelaser scanner un...
Page 99 - Construction; is output for the charging, with the designated timing.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-1 I. OVERVIEW A. Construction The principal components of image formation system are shown in the diagram below. This unit’s image formation system uses a cartridge system. ...
Page 100 - High voltage related output sequence; Conditions: When copying 2 sheets of A4 size paper.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-2 ■ High voltage related output sequence Conditions: When copying 2 sheets of A4 size paper. Figure 6-102 INTR1 STBY INTR2 SCFW SCRV SCFW SCRV LSTR STBY Main motor (M601) Fi...
Page 101 - II. PRIMARY CHARGING ROLLER BIAS CONTROL
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-3 II. PRIMARY CHARGING ROLLER BIAS CONTROL A. Outline The primar y charging roller bias is controlled by the DC controller PCB’s CPU (IC301). AC bias as well as DC bias is a...
Page 102 - III. TRANSFER CHARGING ROLLER BIAS CONTROL; Transfer bias; sitive drum to the paper.; Cleaning bias; between the paper adhering to the transfer charging roller.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-4 III. TRANSFER CHARGING ROLLER BIAS CONTROL A. Overview This unit employs the roller direct transfer charging system. There are 4 types of transfer charging roller bias, th...
Page 103 - Bias control; circuit comes into operation.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-5 B. Bias control The transfer charging roller bias is controlled by the DC controller PCB’s CPU (IC301). When a positive bias drive signal (TRPWM) is output from CPU, the p...
Page 104 - IV. SEPARATION STATIC CHARGE ELIMINATOR BIAS
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-6 IV. SEPARATION STATIC CHARGE ELIMINATOR BIAS CONTROL A. Operation The separation static charge eliminator is controlled by the DC controller PCB’s CPU (IC301) When a separ...
Page 105 - V. DEVELOPING BIAS CONTROL; the DC controller PCB. It’s principal functions are as follows:; erated and applied to the developing cylinder.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-7 V. DEVELOPING BIAS CONTROL A. Outline The circuit shown in Figure 6-501 is the circuit which controls the developing bias in the DC controller PCB. It’s principal function...
Page 106 - the print resolution (1200dpi equivalent and 600dpi equivalent).
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-8 VI. RE-CHARGE BIAS CONTROL A. Operation The unit re-charges once again before fixing, in order to increase the transfer toner adhesiveness, which has been weakened by the ...
Page 107 - VII. CARTRIDGE DETECTION; in the cartridge, is shown in the diagram below.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 IMAGE FORMATION SYSTEM 6-9 VII. CARTRIDGE DETECTION A. Operation The circuit for detecting whether or not there is a cartridge, and the volume of toner in the cartridge, is shown in the diagram belo...
Page 109 - CHAPTER 7; ing the construction of the automatic document feeder.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP / FEEDING SYSTEM In this chapter, the operation, purpose and function of the unit’s paper feeding, from pick-up to delivery, as well as the relationship between the electrical system and the...
Page 111 - Construction Overview; Jam detection sensors
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-1 I. OVERVIEW A. Construction Overview The construction of the unit’s pick-up feeding system is illustrated in the diagram below. The pick-up feeding system rollers in the m...
Page 116 - Paper size detection; : Push switch pressed; LGL
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-6 C. Paper size detection The size of the paper inside the cassette is monitored by the DC controller PCB’s CPU. The CPU detects the change in position of the cassette paper...
Page 118 - Lifter plate operation
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-8 B. Multi-feeder pick-up mechanism 1. Lifter plate operation The mechanism for raising the lifting plate is illustrated in the diagram below.During standby, the lifter plat...
Page 120 - Multi-feeder paper size setting
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-10 D. Multi-feeder paper size setting The multi-feeder paper size setting differs, depending on how the multi-feeder is used.a) When using the multi-feeder with a fixed pape...
Page 122 - V. PAPER FEEDING OPERATION; Paper leading edge detection; then delivered onto the eject tray.; Paper width detection; lever which the user has set in the unit.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-12 V. PAPER FEEDING OPERATION A. Paper leading edge detection The paper sent from the pick-up assembly is sent to the transfer area by the registra- tion clutch (CL302) rota...
Page 124 - Types of Jam; lowing situations; Jam sequence
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-14 B. Types of Jam The DC controller PCB microprocessor (IC301) determines there is a jam in the fol- lowing situations a. Delay jam The copy paper has not arrived in the se...
Page 125 - Detection by the registration sensor (PS302); Delay jam at the time of the first sheet pick-up
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-15 ■ Detection by the registration sensor (PS302) The conditions for detection by the registration sensor differ from the time of the first sheet pick-up operation and the s...
Page 130 - Paper leading edge sensor stationary jam
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-20 6. Paper leading edge sensor delay jam (for multi-feeder pick-up) In the case of multi-feeder pick-up, if paper has not arrived at the leading edge sen- sor (PS301) after...
Page 132 - Fixer wraparound jam; and the feeding process immediately stopped.; Forced delivery operation; on to the unit, automatic delivery does not take place.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-22 10. Fixer wraparound jam It is judged there is a fixer wraparound jam if paper has wrapped around the fixer, causing the delivery sensor to turn OFF within 1.4 seconds af...
Page 134 - Cassette feeding assembly; To remove the pick-up roller; The pick-up roller’s attachment and
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-24 A. Cassette feeding assembly 1. To remove the pick-up roller The pick-up roller’s attachment and removal is easier when the printer unit isremoved from the main unit. 1) ...
Page 135 - It is possible to attach and remove
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-25 2. To remove the Feeding / Separation rollers It is possible to attach and remove the feeding / separation rollers even if theprinter unit is not removed from the mainuni...
Page 136 - To remove the pick-up unit; ) Remove the print unit from the main
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-26 3. To remove the pick-up unit 1) Remove the print unit from the main unit (refer to 9-19). 2) Remove the main drive unit (refer to 9-22). 3) Remove the installation screw...
Page 137 - 0) Remove the tension spring from the
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-27 6) Remove the E-ring [9], then remove the ver tical path clutch [10] and theregistration roller clutch [11] (is it notnecessary to remove the clutch con-nectors). 7) Remo...
Page 138 - 1) R e m ove t h e 5 i n s t a l l a t i o n s c r ew s; To remove the pick-up solenoid; ) Remove the installation screw and
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-28 11) R e m ove t h e 5 i n s t a l l a t i o n s c r ew s [19], and remove the pick-up unit. 4. To remove the pick-up solenoid 1) Remove the 3 installation screws [1], and...
Page 139 - Construction of the pick-up assembly
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-29 Construction of the pick-up assembly Figure 7-712 Construction of the pick-up roller drive gear (Front View) When installing the gear, refer to the diagram below and conf...
Page 140 - Multi-feeder assembly; up roller; ) R e m o ve t h e p r i n t e r u n i t f r o m t h e
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-30 B. Multi-feeder assembly 1. To remove the multi-feeder pick- up roller 1) R e m o ve t h e p r i n t e r u n i t f r o m t h e main unit ( refer to 9-19). 2) While pressi...
Page 141 - To remove the separation pad
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-31 4) Unclip the rear side tab [6], slide the roller collar [7] and remove the multi-feeder pick-up roller [8]. 2. To remove the separation pad 1) R e m o ve t h e p r i n t...
Page 144 - Construction of the registration roller assembly
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-34 Construction of the registration roller assembly Figure 7-723 Upper registration guide plate Lower registration guide plate Registration pressure roller Registration roll...
Page 145 - Feeder assembly; To remove the feeder assembly
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 PICK-UP/FEEDING SYSTEM 7-35 D. Feeder assembly 1. To remove the feeder assembly 1) R e m o ve t h e p r i n t e r u n i t f r o m t h e main unit (refer to 9-19) 2) Remove the DC controller PCB (ref...
Page 149 - I. OPERATIONAL OVERVIEW
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 FIXING SYSTEM 8-1 I. OPERATIONAL OVERVIEW A. Overview The main motor drives both the fixing assembly’s pressure roller and the delivery roller. The paper, which has separated from the photosensitive...
Page 151 - Fixing temperature control; ceramic base. The heater heats up the fixing film.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 FIXING SYSTEM 8-3 II. FIXING CONTROL A. Fixing temperature control 1. Overview This unit’s fixing heater uses two surface heaters, which are installed into one ceramic base. The heater heats up the ...
Page 153 - Fixing heater safety mechanism
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 FIXING SYSTEM 8-5 B. Fixing heater safety mechanism This unit is equipped with a fixing heater safety circuit, located inside the DC con- troller PCB, which monitors the fixing temperature for abnor...
Page 155 - the lower left cover.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 FIXING SYSTEM 8-7 A. Removing the fixing assembly 1) Remove the two screws, and take off the lower left cover. 2) Open the front cover, remove the 5 s c r e w s [ 1 ] , a n d t h e n r e m o v e t h...
Page 156 - remove the grounding cable.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 FIXING SYSTEM 8-8 3) R e m o v e t h e t w o s c r e w s [ 2 ] , a n d remove the grounding cable. 4) R e m o v e t h e t w o s c r e w s [ 3 ] , a n d remove the fixing assembly. Figure 8-303 [2] [...
Page 159 - The liquid crystal display console is composed of 80
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-1 I. CONTROL PANEL A. Overview The structure of the control panel is displayed in the diagram below.The control panel interface uses a single-line two-way serial inter...
Page 160 - Low-voltage power supply circuit
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-2 II. POWER SUPPLY A. Low-voltage power supply circuit 1. Low-voltage power supply circuit The DC power supply of the main unit is generated by the DC power supply PCB...
Page 162 - Protection function; High voltage power supply circuit; erate the high voltages listed below.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-4 2. Protection function There is an overcurrent / overvoltage protective function located on the DC power supply PCB, which automatically interrupts the output voltag...
Page 163 - Energy save function control; switches over to the ESS function.; Control; When the ESS is activated: approximately 14W
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-5 C. Energy save function control 1. Overview This unit is equipped with an Energy Save function (referred to hereafter as ESS), which serves to reduce the energy cons...
Page 164 - occur, the unit will automatically turn off the ESS mode.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-6 3. Operation When the ESS function is activated, all of the LED lights on the main unit’s control panel, except the Energy Saver Key, are extinguished. If any of the...
Page 165 - Rotation control mechanism
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-7 III. FAN A. Rotation control mechanism This unit has been equipped with an exhaust fan motor (FM301), located at the rear of the printer assembly. The fan motor Hall...
Page 167 - Vanadium lithium secondary battery (BAT1); • Printing transmission image data:
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-9 2. Vanadium lithium secondary battery (BAT1) • Types of data this battery backs up: Image data (data of fax transmission and receiving). • IC which this battery back...
Page 169 - Jumper plugs; vent the depletion of the back up batteries.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-11 4. Jumper plugs The image processor PCB has been equipped with a jumper plug. This acts to pre- vent the depletion of the back up batteries. The function of the jum...
Page 170 - Data types
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-12 B. Back-up Data 1. Data types The table below lists the types of data that each back-up lithium battery (BAT1, BAT2) stores. These batteries are located on the imag...
Page 172 - Printing the back-up information list
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-14 2. Printing the back-up information list It is possible to print out an information list of the data backed up by the batteries in the control memory. When changing...
Page 173 - Back-up battery function table
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-15 ■ Back-up battery function table Table 9-408 Type Back-up IC Battery life Individual batteryreplacement Operation JP plug Back-up data Back-up data informa-tion pri...
Page 175 - ) R e m ove t h e 2 i n s t a l l a t i o n s c r ew s
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-17 A. Control panel 1) R e m ove t h e 2 i n s t a l l a t i o n s c r ew s from the left and the right sides, andremove the front upper cover [1]. 2) R e m ove t h e ...
Page 176 - ) M o v e t h e c o n t r o l p a n e l f o r w a r d ,
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-18 4) M o v e t h e c o n t r o l p a n e l f o r w a r d , r e m ove t h e 2 c o n n e c t o r s [ 4 ] , a n dremove the control panel. Figure 9-504 [4] Download Free...
Page 177 - Main Motor; Removing the printer unit; ) P u l l o u t t h e c a s s e t t e o n t h e m a i n
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-19 B. Main Motor 1. Removing the printer unit 1) P u l l o u t t h e c a s s e t t e o n t h e m a i n unit, and open the front cover. 2) Remove the cartridge. 3) Remo...
Page 178 - slowly pull out the printer unit.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-20 5) Remove the 2 installation screws [2] on the fixing assembly, and removethe grounding cable [3]. 6) Remove the 5 connectors [4], which a r e a t t a c h e d t o t...
Page 179 - Cautionary points relating to the; When lifting the pr inter unit, please
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-21 2. Cautionary points relating to the removal and insertion the printerunit ■ When lifting the pr inter unit, please place your hands in the positions indi-cated in ...
Page 180 - When setting the printer unit into the
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-22 ■ When setting the printer unit into the main body, ensure that the ↑ ↓ marks on the seals located on the front andrear portions of the main unit rail lineu p w i t...
Page 181 - Removing the main motor
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-23 3. Removing the main motor 1) R e m o ve t h e p r i n t e r u n i t f r o m t h e main unit (see page 9-19 for furtherinformation). 2) While pressing the tab, remo...
Page 182 - The structure of the main drive unit is depicted below.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-24 6) Remove the 3 installation screws [7], and remove the main motor [8] fromthe driver PCB. Figure 9-514 Reference: The structure of the main drive unit is depicted ...
Page 184 - Removing the ROM DIMM
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-26 D. Image processor PCB 1. Removing the ROM DIMM 1) Remove the installation 4 screws, a n d r e m o ve t h e m a i n u n i t ’s b a c kcover. 2) Spread the upper and...
Page 185 - DC power supply PCB; ) Remove the 5 installation connectors
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 EXTERNAL/AUXILIARY MECHANISM 9-27 E. DC power supply PCB 1) Remove the 4 installation screws, a n d r e m o ve t h e m a i n u n i t ’s b a c kcover. 4) Remove the 5 installation connectors which ar...
Page 187 - CASSETTE FEEDER
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER In this chapter, the cassette feeder’s basic operation, purpose and function, as well as the relationship between the electrical system and the mechanical system is summa-rized. An ...
Page 191 - II. OVERVIEW OF THE ELECTRICAL CIRCUITS
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-3 II. OVERVIEW OF THE ELECTRICAL CIRCUITS A. Overview Operation of the load used by the cassette feeder is controlled by commands sent from the CPU (IC301) on the main unit’s DC ...
Page 192 - III. FEEDER CONTROLLER PCB INPUT AND OUTPUT
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-4 III. FEEDER CONTROLLER PCB INPUT AND OUTPUT Figure 10-301 Feeder controller PCB J655-1 -3 -2 +5V PS651S* Pick-up sensor PS651 Paper sensor PS652 J655-4 -6-5 +5V PS652S +24V “0”...
Page 193 - IV. OPERATION OVERVIEW
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-5 IV. OPERATION OVERVIEW A. Overview Figure 10-401 is the concept figure of the structure of the cassette feeder.The cassette feeder’s operation is controlled by the feeder contr...
Page 194 - Basic Sequence; feeder
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-6 B. Basic Sequence Condition: When 2 pieces of A4 paper are picked up from the first level cassette feeder Figure 10-402 Feeder motor (M651) Pick-up solenoid (SL651) Pick-up sen...
Page 195 - V. FEEDER MOTOR CONTROL
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-7 V. FEEDER MOTOR CONTROL A. Operation The feeder motor (M651) of this unit uses a stepping motor.The A phase pulse circuit and the B phase pulse circuit, located on the feeder c...
Page 197 - Jam Sensing
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-9 B. Jam Sensing 1. Pick-up delay Jam During the cassette feeding sequence, once the pick-up solenoid (SL301) is ON, if the paper does not arrive at the pick-up sensor (PS303) wi...
Page 198 - Registration sensor delay jam; These are the detection timings for each cassette feeder:; Timer count time
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-10 2. Registration sensor delay jam Following the activation of the pick-up sensors in each of the cassette feeder levels, if the paper does not arrive at the registration sensor...
Page 200 - the cassette feeder’s rear cover.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-12 A. Removing the feedermotor 1) Remove the two screws, and take off the cassette feeder’s rear cover. 2) Remove the relay connector [1], and remove the cord guide [2] from thec...
Page 201 - ) O p e n t h e h i n g e d o o r a l i t t l e , a n d
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-13 2) O p e n t h e h i n g e d o o r a l i t t l e , a n d remove the right cover assembly [3].Be careful not to open the hinge toofar. 3) While gripping the claw, remove the fe...
Page 202 - Removing the pick-up unit; ) Remove the cassette feeder from the
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-14 C. Removing the pick-up unit 1) Remove the cassette feeder from the main unit. 2) Remove the cassette. 3) Remove the rear cover of the cas- sette feeder. 4) R e m ove t h e c ...
Page 203 - ) Remove the 4 screws located in the
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 CASSETTE FEEDER 10-15 6) Remove the relay connector [5] and the cord guide [6] from the front rearside of the cassette feeder. 7) Remove the 4 screws located in the upper-right near side and far si...
Page 205 - INSTALLATION
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION This chapter explains the installation method for this unit.The unit’s depicted in the diagrams in this chapter have all been fitted with an auto- matic document feeder. For machines w...
Page 207 - I. CHOOSING AN SUITABLE INSTALLATION LOCATION
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-1 I. CHOOSING AN SUITABLE INSTALLATION LOCATION The conditions relating to the installation location are listed below. It is therefore advisable to read these conditions prior to th...
Page 208 - Operation space overview
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-2 Operation space overview The figure below outlines the space necessary for performing maintenance. Figure 11-101 160cm or more 70 cm or more 10 cm or more The above figure shows a...
Page 209 - II. UNPACKING AND INSTALLATION
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-3 II. UNPACKING AND INSTALLATION When bringing something metal from a cold environment into a warm environment, drops of water may adhere to the metal surfaces. This phenomenon is k...
Page 210 - Opening the package and removing the packing materials; Work details
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-4 A. Opening the package and removing the packing materials No. Work details Illustration/ remarks 1 Unpack the main unit, and takeout the accessory parts. 2 With at least two peopl...
Page 211 - Installing the cartridge
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-5 B. Installing the cartridge No. Work details Illustration/ remarks 4 Remove the mirror mount fixingscrew. Open the front cover ofthe main unit and put the screwin the storage comp...
Page 214 - Loading paper into the cassette
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-8 C. Loading paper into the cassette No. Work details Illustration/ remarks 1 Lift the cassette up a little, andpull it out until it stops. 2 Gently push on the paper liftingplate o...
Page 217 - Loading paper into the multi-feeder
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-11 D. Loading paper into the multi-feeder No. Work details Illustration/ remarks 1 Open the multi-feeder. 2 Set the paper width guide andthe auxiliary guide to fit thewidth and the ...
Page 218 - Attaching the tray/Power cord
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-12 E. Attaching the tray/Power cord No. Work details Illustration/ remarks 1 Install the delivery tray provided. 2 Attach the included power cordto the AC inlet of the main unit. Do...
Page 219 - Checking the Copy image; Executing an all-clear
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-13 F. Checking the Copy image G. Setting the Fax machine function For those machines which have been equipped with the fax functions only. 1. Executing an all-clear No. Work details...
Page 220 - Setting the date and time (User mode operation); to move
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-14 2. Setting the date and time (User mode operation) No. Work details Illustration/ remarks 1 Press the Data Registration Keyto display the user mode screen. User mode screen 2 Con...
Page 221 - Setting the dialing method
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-15 3. Setting the dialing method 4. Communications test No. Work details Illustration/ remarks 1 Press the Data Registration Keyto display the user mode screen. 2 Confirm that 01 DA...
Page 222 - Adjusting the output level
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 INSTALLATION 11-16 5. Adjusting the output level 6. Adjusting the NL No. Work details Illustration/ remarks 1 Press the Data Registration Key → # key. This displays the ser- vice mode screen. 2 Usi...
Page 223 - MAINTENANCE AND INSPECTION
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION This chapter explains the maintenance par ts and inspection procedures for this machine. I. PERIODIC REPLACEMENT PARTS .....12-1 II. ESTIMATED LIFESPAN OF CONSUMABLEPARTS...
Page 225 - I. PERIODIC REPLACEMENT PARTS
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION 12-1 I. PERIODIC REPLACEMENT PARTS There are no parts in the unit that need to be periodically replaced. II. ESTIMATED LIFESPAN OF CONSUMABLE PARTS It may be necessary to...
Page 226 - III. BASIC SERVICING PROCEDURES
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION 12-2 III. BASIC SERVICING PROCEDURES This product has no areas which require periodic ser vice. However, in order to extend the life of the product and parts, we recommen...
Page 227 - IV. CARTRIDGE STORAGE AND HANDLING; Storage when the packing seal is intact; Table 12-401 Temperature and humidity conditions for storage
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION 12-3 IV. CARTRIDGE STORAGE AND HANDLING Cartridges are constantly influenced by the surrounding environment whether the packaging is sealed or opened, or the cartridge is...
Page 228 - Storage environment after the packing seal has been opened; tion with air that has a high salt content.; Cartridge shelf life
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION 12-4 B. S t o r ag e a n d h a n d l i n g w h e n t h e p a ck i n g s e a l h a s b e e nopened The photosensitive drum uses an organic photoconductor (OPC). The photos...
Page 229 - Handling; do not wave it about.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION 12-5 3. Handling a. When setting the car tridge in the copier, or when blank areas occur in the copy image because toner runs out during copying, hold the cartridge level...
Page 230 - cartridge. Do not touch the surface of the photosensitive drum.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 12 MAINTENANCE AND INSPECTION 12-6 c. Do not manually open the shutter of the photosensitive drum on the bottom of the cartridge. Do not touch the surface of the photosensitive drum. d. Do not disasse...
Page 233 - TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING This chapter describes the main unit’s maintenance servicing, standards and adjust- ments, faulty image countermeasures, machine malfunction countermeasures, feedingmalfunction coun...
Page 235 - Reading the procedure chart
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-1 Reading the procedure chart The procedure chart used in this chapter is a general flowchart that has been adapt- ed to table form. Below is an example and an explanation of how...
Page 236 - I. STANDARDS AND ADJUSTMENTS; Mechanical system; Right and left registration adjustment; up with the 1mm interval scale marks.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-2 I. STANDARDS AND ADJUSTMENTS A. Mechanical system 1. Right and left registration adjustment Check that the front edge image margin of paper fed from each cassette is 2.5 ± 2.0m...
Page 237 - Image leading edge margin adjustment; ment described on the next page.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-3 2. Image leading edge margin adjustment Adjustment when the leading edge of the printed image is out of alignment. a) Use a precision screwdriver to press down on SW401 and out...
Page 238 - Mirror positioning adjustment; Adjusting position of No. 2 mirror mount
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-4 4. Mirror positioning adjustment a) Adjusting position of No. 2 mirror mount If the optical section wire pulley’s hexagonal fixing nut has been loosened, follow the procedures ...
Page 239 - unit wire pulley’s hexagonal fixing nut.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-5 With the mirror positioning tool fitted in the holes shown below, tighten the optical unit wire pulley’s hexagonal fixing nut. Figure 13-106 b) Adjustment of distance between N...
Page 240 - No. 2 mirror mounts is illustrated below.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-6 The mirror positioning tool used in the adjustment of the distance between No. 1 and No. 2 mirror mounts is illustrated below. Figure 13-108 With the mirror positioning tool fi...
Page 241 - Check the pressure (nip width) of the fixing pressure roller; However, if the nip width is not correct, faulty fixing may occur.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-7 5. Printer unit receptacle connector mount positioning adjustment When the printer unit receptacle connector is removed or attached, adjust the mount position, following the pr...
Page 243 - Electrical System; automatic shading adjustment; Automatic shading adjustment; as shown in the figure below.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-9 B. Electrical System Adjustment items for the electrical system include automatic shading correction and image positioning adjustment. When the main parts listed for each below...
Page 244 - ment taken in step 5.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-10 2) Select 9.BOOK from service mode #6 SCANNER. Set 1 in 018.3) Set the test chart you made on the copyboard glass with the image facing down. Figure 13-113 4) Copy the image e...
Page 245 - Actual measurement Input measurement
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-11 Actual measurement: value of markings on image enlarged to 400%Input measurement: value input in service mode. Table 13-102 Feed direction (leading edge) Actual measurement In...
Page 246 - Sensor check; Sensor name
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-12 3. Sensor check Assessment of the status of the photo-interrupter is performed by the SENSOR test in the TEST MODE. The procedure is as described below.1) On the control panel...
Page 248 - Image processor PCB replacement procedures; plug JP1 from the image processor PCB.; Procedures performed after replacement; on the control panel.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-14 4. Image processor PCB replacement procedures The procedures which must be performed when replacing the image processor PCB are described below. ■ Procedures performed at the ...
Page 249 - II. IMAGE AND MACHINE MALFUNCTION COUNTER-; Initial check; Setting environment; Choose a location where the machine will sit level
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-15 II. IMAGE AND MACHINE MALFUNCTION COUNTER- MEASURES A. Initial check 1. Setting environment a. Power voltage is maintained the rated voltage ± 10V. (The power cord should not ...
Page 250 - Check the document for symptoms of trouble; Example red sheet or accounting sheet; the white reference plate; Load new packing paper and make a test copy.; power for 60 minutes.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-16 2. Check the document for symptoms of trouble Check if the cause of trouble is with the document or with the machine. a. Copy density correction is appropriate at a? graduatio...
Page 251 - Treatment procedures by faulty image type
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-17 B. Treatment procedures by faulty image type Before looking for the cause of printing failure, check that the user is using recom- mended paper which is stored in a proper env...
Page 252 - Too Light
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-18 1 Too Light Cause Copy paper Cartridge Poor connectorconnection Cartridge (primary charg-ing roller) Laser scannerunit DC controllerPCB Transfer guide Transfer charg-ing rolle...
Page 253 - Too Dark
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-19 Cause Shading cor-rection Poor connectorconnection(between theCCD unit andthe imageprocessorPCB) CCD unit Image proces-sor PCB Steps 11 12 13 Yes/No YES NO YES NO Action End C...
Page 254 - Blank
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-20 3 Blank Cause Cartridge High-voltagecontact point Transfer charg-ing roller Poor connectorcontact(between thelaser scannerunit and the DCcontroller PCB) Laser scannerunit High...
Page 255 - Solid black
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-21 4 Solid black Cause Scanning lamp Cartridge (pri-mary chargingroller bias fault) Cartridge High-voltagecontact point ofthe DC con-troller PCB CCD unit Image proces-sor PCB Ste...
Page 256 - Soiled back
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-22 6 Soiled back Cause Dirt in paperfeed path Transfer guide Static chargeeliminator Re-chargingeliminator Transfer charg-ing roller Registrationroller Fixing assem-bly inlet gui...
Page 257 - Vertical Fogging
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-23 8 Vertical Fogging Cause Exposure sys-tem Cartridge External light Steps 1 2 Yes/No YES YES NO Action Clean the copyboardglass, mirrors 1 to 4and the lens. End Check that no e...
Page 258 - 3 Leading Edge Displacement
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-24 12 Thin White Lines (vertical) 11 White Strips (vertical) Cause Exposure sys-tem Transfer charg-ing roller Separation sta-tic charge elim-inator Cartridge FixingAssembly Steps...
Page 260 - Operation malfunction countermeasures; No power
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-26 C. Operation malfunction countermeasures 1 No power Cause Power plug No power sup-plied from out-let Fuse DC power sup-ply PCB Steps 1 2 3 Yes/No NO NO YES Action Connect the ...
Page 261 - Paper does not pick up (Main unit cassette)
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-27 3 Paper does not pick up (Main unit cassette) Cause Cassetteattachment Paper set con-dition Pick-up roller Pick-up driveassemblygears Faulty connec-tor connection Pick-up sole...
Page 264 - Registration roller does not rotate
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-30 6 Registration roller does not rotate Cause Connector con-nection Registrationclutch (CL302) DC controllerPCB Steps 1 2 3 Yes/No NO YES NO Action If the trouble is a faultycon...
Page 265 - Speaker does not operate
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-31 9 Speaker does not operate Cause Volume setting Faulty connec-tor connection Speaker Image proces-sor PCB Steps 1 2 3 Yes/No NO NO YES NO Action Reset the volume. Connect it p...
Page 267 - The “Add paper” indicator does not go out (multifeeder)
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-33 12 The “Add paper” indicator does not go out (multifeeder) Cause Multifeederpaper supplysensor flag Faulty connec-tor contact Sensor PCB DC controllerPCB Steps 1 2 3 Yes/No NO...
Page 268 - III. FAULTY FEEDING COUNTERMEASURES
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-34 III. FAULTY FEEDING COUNTERMEASURES A. Overview The primary locations where paper jams occur in this machine are as shown below. [1] Pick-up assembly[2] Feeder assembly [3] Fi...
Page 269 - Copy paper jam
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-35 B. Copy paper jam 1 Pick-up assembly Cause Cassette Paper Roller wear Connector con-nection Pick-up sole-noid (SL301) Connector con-nection Pick-up/feedingclutch (CL301) Steps...
Page 272 - Faulty feeding; Double feeding
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-38 C. Faulty feeding 1 Double feeding Cause Paper amount Paper condition Cassette claw Separationroller Torque limiter Multifeederseparation pad Separation padpressure spring Ste...
Page 275 - Clutch, solenoid types; Symbol
Clutch, solenoid types Table 13-401 Symbol COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-41 Code Function CL301 Pick-up/feeder roller drive CL302 Registration roller drive SL301 Main unit pick-up roller drive SL302 Multifeed...
Page 278 - Sensors
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-44 C. Sensors Figure 13-403 PS101 PS102 PS306 PS305 PS501 PS304 PS301 PS303 PS302 PS652 PS651 Download Free Service Manual at http://printer1.blogspot.com
Page 282 - PCBs
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-48 E. PCBs Figure 13-405 [14] [12] [13] [2] [15] [5] [4] [6] [3] [8] [1] [9] [10] [11] [7] Download Free Service Manual at http://printer1.blogspot.com
Page 284 - VRs which may be adjusted in the field:
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-50 F. Variable resistor (VR)/LED/check pin listed by PCB plate Only the varistors, LEDs and check pins that need to be checked during field service are listed below. 1. Some LEDs...
Page 285 - : Image memory backup battery (BAT1) electrification jumper plug
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-51 1. Image processor PCB Figure 13-406 • JP1 : Image memory backup battery (BAT1) electrification jumper plug • JP3 : Data control (user data, service mode data) memory backup b...
Page 286 - DC controller PCB/ Sensor PCB; VR402: For factory adjustment; Sensor PCB
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-52 2. DC controller PCB/ Sensor PCB ■ DC controller PCB Figure 13-407 VR402: For factory adjustment ■ Sensor PCB Figure 13-408 VR401 : VR for image leading edge margin adjustment...
Page 289 - #3 NUMERIC Param: numeric parameter settings
V. SERVICE MODE A. Overview The items which may be checked or set in the service mode are described below.The service mode in this machine is structured along the lines of the conventional facsimile service mode, and its contents and operation methods comply with that mode.The service mode is divide...
Page 290 - Operating Procedures
B. Operating Procedures The service mode operates according to the flow displayed in the chart below. Figure 13-501 COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-56 01 DATA REGISTRATION 02 TEL# REGISTRATION REGISTRATION/SETT...
Page 291 - Service mode menu list; Characters in bold face show initial setting values.
C. Service mode menu list Characters in bold face show initial setting values. Figure 13-502 COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-57 #1 SSSW SW01 SW02 SW03 SW04 SW05 SW06 SW07 SW08 SW09 SW10 SW11 SW12 SW13 SW14 SW15...
Page 297 - SSSW Default Setting
D. SSSW Default Setting COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-63 SSSW Default Setting TYPE EUROPE U.K. SWEDEN SWISS AUSTRIA DENMARK #1 SSSW SW01 00010000 00010000 00010000 00010000 00010000 00010000 SW02 00000000 100...
Page 302 - Param
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-68 SSSW Default Setting TYPE EUROPE U.K. SWEDEN SWISS AUSTRIA DENMARK #3 NUMERIC Param 002: 10 10 10 10 10 10 003: 15 15 15 15 15 15 004: 12 12 12 12 12 12 005: 4 4 4 4 4 4 006: ...
Page 312 - Parameter settings; SSSW settings
E. Parameter settings 1. SSSW settings The registration and setting items on this switch are composed of 8 bit switches.The bit switches indicated on the display are as shown below. Each bit is set to 0 or 1. Figure 13-508 Information about the bit switches is displayed in the table below. Table 13-...
Page 315 - MEMO
#1 SSSW-SW03: Echo correction settings Table 13-504 [Bit 1]Selects whether or not to transmit a echo protect tone with the high-speed V.29 (baudrate is 9600bps or 7200 bps) modem signal.When errors occur frequently during transmission due to telephone line conditions,select echo protect tone “send”....
Page 317 - #1 SSSW-SW04 communications trouble remedy setting
#1 SSSW-SW04 communications trouble remedy setting Table 13-506 [Bit 1]Select whether or not to check the CI signal frequency upon automatic reception.If “check” is selected, the upper and lower limits of the CI signal frequency will bechecked when a transmission arrives. The fax will switch to auto...
Page 322 - as the other party’s machine.
#1 SSSW-SW08: closed connection ID settingClosed network connection ID bit 7 Table 13-510 When using closed network connection function, set these switches to the same ID as the other party’s machine. COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER...
Page 324 - Bit 0 and Bit 0, regardless of the communication mode.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-90 #1 SSSW-SW12: Page timer settings Table 13-512 These switches can set the page timer. When transmission or reception takes more than 32 minutes on this machine, communications...
Page 325 - Transmission/reception time out interval
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-91 CHAPTER 13 TROUBLESHOOTING Transmission/reception time out interval Time out interval when transmitting (no image mode setting) Time out interval when transmitting (image mode AA) Time out interval when...
Page 328 - from the other party’s machine in the report.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-94 CHAPTER 13 TROUBLESHOOTING #1 SSSW-SW25: Report display function settings Table 13-516 [Bit 0]Selects transmitting telephone numbers displayed in the report after transmission hasended.Calling party’s n...
Page 330 - by the transmitting machine.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-96 CHAPTER 13 TROUBLESHOOTING #1 SSSW-SW28: V.8/V.34 protocol settings Table 13-518 [Bit 0]Selects whether or not to use V.8 protocol.“No”: Even when V.8 protocol is received from receiving side, V.8 proto...
Page 331 - initiation of communications until end of communications.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-97 CHAPTER 13 TROUBLESHOOTING 2. Menu switch settings (#2 MENU) Table 13-519 [Bit 005]Selects NL equalizer ON/OFF.Select NL equalizer ON when errors occur frequently due to telephone line conditionsduring ...
Page 333 - Function
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-99 CHAPTER 13 TROUBLESHOOTING 3. Numeric settings by type (#3 NUMERIC Param.) No. Function Selection range 002 RTN signal transmission condition (1) 1 to 99 (%) 003 RTN signal transmission condition (2) 2 ...
Page 334 - reference value
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-100 CHAPTER 13 TROUBLESHOOTING [No.02, 03, 04]Sets RTN signal transmission conditions. When errors occur frequently in receiving dueto RTN signal output errors, raise these parameters and ease the RTN sign...
Page 336 - settings
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-102 CHAPTER 13 TROUBLESHOOTING 4. Special settings (#4A SPECIAL) #4A SPECIAL-SW01: Data encoding methods/Canon original abbreviated protocol settings Table 13-521 [Bit 0]Sets the data encoding method for c...
Page 340 - received, divide the image to B5 horizontal paper size and print.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-106 CHAPTER 13 TROUBLESHOOTING [Bit 5]Use it to specify whether to reduce and print on LTRR paper.If printing on non-LTRR paper without reduction is desired for a long-size page, be sureto select “No.” [Bi...
Page 343 - Warning
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 13-109 CHAPTER 13 TROUBLESHOOTING 8. Initialization of setting values (#8 CLEAR) Selecting the setting items below initializes the data by each item..Clearing setting items and numeric for the parameters will...
Page 345 - Prints 8 patterns within the printing area.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-111 F. Test Mode (TEST MODE) 1. Overview The test mode runs according to the menu items shown on the display.The test mode items are divided into 8 blocks. D-RAM test <1:DRAM&...
Page 346 - Test Mode menu; After finishing the TEST MODE, press the stop key, then the clear key.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-112 2. Test Mode menu To operate the test mode, press the enter/set key then the # key and select the SER- VICE MODE. Then use the up/down shift keys to select TEST MODE and depr...
Page 353 - sage will be indicated on the display.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-119 3. D-RAM test <1: DRAM> Performs a write/read check on data in all areas of the D-RAM. When 8MB expan- sion memory has been installed, also checks the expansion memory ...
Page 354 - a) Test pattern printing mode
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-120 4. CCD test <2: CCD TEST> When you press 2 on the numeric key pad in the TEST MODE menu, the CCD TEST is selected. When 8 on the numeric key pad is pressed during the r...
Page 358 - d) DTMF signal output test
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-124 d) DTMF signal output test When 5 on the numeric key pad in the MODEM NCU TEST menu is pressed, the DTMF signal transmission test is selected. This test uses the telephone li...
Page 359 - V.34 G3 signal transmission test
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-125 f) V.34 G3 signal transmission test When 8 on the numeric key pad in the MODEM NCU TEST menu is pressed, the v.34 G3 transmission test is selected. In this test, when the sta...
Page 363 - tion indicator is displayed.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-129 c-2) Printer status This mode is used to identify the area which is out of order when a printer malfunc- tion indicator is displayed. To display the status, press 5,6,7 on th...
Page 364 - Below is an explanation of how to read the screen.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-130 Printer status is displayed as a hexadecimal number.This is conver ted to a binary number and then the area which is out of order is detected. Below is an explanation of how ...
Page 365 - Printer status information list
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-131 The details of each status number (3,8,25,29) are displayed in charts from the next page. Read the charts as shown below. Figure 13-526 Printer status information list 012345...
Page 370 - The stamp test has the following two menus.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-136 d) ADF test <6-4: ADF> This is the ADF operation checking mode.When 4 on the numeric key pad in the FACULTY TEST menu is pressed, the ADF test is selected. When the doc...
Page 375 - This test is for factory use.
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-141 8. BOOK scanning test <8: BOOK TEST> When 8 on the numeric key pad in the TEST MODE menu is pressed, the BOOK test is selected. In this test the scanning lamp is illumi...
Page 376 - User reports; Reports output manually
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-142 VI. REPORTS A. User reports 1. Reports output manually The reports shown below are types output by user operation. Report types Operation 1-touch list 1 To output the reports...
Page 377 - Reports output automatically
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-143 2. Reports output automatically The reports shown below are output automatically according to user mode settings. Report types Setting Tx report Automatically output accordin...
Page 378 - digit display
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-144 a) Memory clear list Figure 13-601 TX/RX NO.: 4 digit display MODE: transmission, polling transmission, timer transmission,relay reception, confidential reception, memory rec...
Page 379 - Service report
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-145 B. Service report Ser vice mode setting status and previous communications histor y repor ts and reports of detailed error information are output in the service mode setting....
Page 392 - read
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-158 b) System dump list Displays previous communications status and error communications history. Figure 13-614 *1: TX: Total number of pages transmitted*2: RX: Total number of p...
Page 394 - TX= Transmitted protocol signal
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-160 *1: Service error code*2: START TIME: Date and time (displays in 24 hour mode)*3: OTHER PARTY: Telephone number sent from the other party*4: MAKER CODE: Manufacturer code*5: ...
Page 404 - • G3 mode error codes
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 13 TROUBLESHOOTING 13-170 VIII. SERVICE ERRORS • G3 mode error codes Cause • (After Q signal is output after the image sig- nal)The line condition is poor and the otherparty’s machine can not properly...
Page 431 - APPENDIX
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) APPENDIX A. GENERAL TIMING CHART.....................A-1 B. SIGNALS AND ABBREVIATIONS...........A-3 C. GENERAL CIRCUIT DIAGRAM ..............A-5 D. LIST OF SPECIAL TOOLS ....................A-11 E. SOLVENTS A...
Page 433 - Power ON
A-1 APPENDIX A. GENERAL TIMING CHART COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) • Conditions: Copy / A4 paper / main unit cassette pick-up / 3 sheets ESS INTR1 STBY INTR2 SCFW SCRV SCFW SCRV SCFW SCRV LSTR STBY Main motor (M601) Fixing heater Document...
Page 435 - B. SIGNALS AND ABBREVIATIONS
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) APPENDIX A-3 B. SIGNALS AND ABBREVIATIONS 600 LASER INTENSITY SWITCH signal 1200DPI BIAS SWITCH signal ACC LASER SCANNER MOTOR ACCELERATE command BDI BEAM DETECTION INPUT signal CVROPN FRONT COVER OPEN signal...
Page 437 - C. GENERAL CIRCUIT DIAGRAM; I. Image processor PCB
A-5 COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) C. GENERAL CIRCUIT DIAGRAM I. Image processor PCB Image processor PCB (1/3) TP204 TP201 J34 J35 J32 J39 J22 J21 LA20 J20 J23 J33 TP202 TP203 J54 J52 J53 J45 J43 J41 J49 J42 J44 J50 J62 J63 M701 M J203 J21...
Page 439 - for Program ROM DIMM; Program ROM DIMM
A-7 COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Image processor PCB (3/3) DBUS1 D-GND DBUS3 DBUS5 DBUS7 N.C ABUS2 ABUS4 ABUS6 ABUS8 DBUS8 DBUS10 DBUS12 DBUS14 ABUS11 ABUS12 MRD* DBUS15 N.C D-GND ABUS15 ABUS17 ABUS19 D-GND N.C N.C N.C CS-DAT* ABUS23 D-G...
Page 440 - II. DC controller PCB
A-8 COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) II. DC controller PCB DC controller PCB (1/2) 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 ...
Page 442 - Cassette feeder-one level type; Cassette feeder-two level type
A-10 III. Cassette Feeder Feeder controller PCB COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) J664 J663 J681 J662 J561 J651 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 7 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 +5U +5U GND GND +24V +24V ...
Page 443 - D LIST OF SPECIAL TOOLS; standard set of tools.; Tool Name
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) APPENDIX A-11 D LIST OF SPECIAL TOOLS The following are special tools used to service to copier: use them in addition the standard set of tools. *Consult the following for a stocking idea. A: Each service per...