Canon NP7130F- Manuals

Page 3 - INTRODUCTION

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i INTRODUCTION This service manual has been prepared for NP6512, NP6612, NP7120, NP7130, and NP7130F, providing basic information used for servicing the machines in the field so as toens...

Page 4 - i i

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i i The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and therelationship between electrical and me...

Page 5 - i i i

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i i i Model NP6512NP6612NP7120NP7120NP7130NP7130 NP7130F Type code TWA TXA PUBPUC NVF PTZ NVH Default ratio 2R2E2R2E2R2E2R2E3R1E2R2E3R1E ADF as standard √ √ Cassette 250 sheets250 sheets...

Page 7 - CONTENTS; CHAPTER 1 GENERAL DESCRIPTION

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) v CONTENTS CHAPTER 1 GENERAL DESCRIPTION CHAPTER 2 BASIC OPERATION CHAPTER 3 EXPOSURE SYSTEM I. FEATURES .................................. 1-1 II. SPECIFICATIONS ..........................

Page 8 - v i; CHAPTER 4 IMAGE FORMATION SYSTEM; CHAPTER 6 FIXING SYSTEM

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) v i CHAPTER 4 IMAGE FORMATION SYSTEM CHAPTER 5 PICK-UP/FEEDING SYSTEM I. IMAGE FORMATION SYSTEM ... 4-1A. Outline ................................... 4-1 B. Timing Chart for the ImageFor...

Page 9 - v i i; CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS; CHAPTER 10 MAINTENANCE AND SERVICING

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) v i i CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS CHAPTER 8 ADF CHAPTER 9 INSTALLATION I. FANS ............................................ 7-1 II. POWER SUPPLY SYSTEM ......... 7-3A. Outli...

Page 10 - v i i i; APPENDIX

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) v i i i APPENDIX CHAPTER 11 TROUBLESHOOTING A. GENERAL TIMING CHART ........ A-1 B. SIGNALS ANDABBREVIATIONS ....................... A-3 C. GENERAL CIRCUIT DIAGRAM . A-5D. DC CONTROLLER ...

Page 13 - FEATURES; Personal Copier with a Zoom Function and a Fixed Copyboard; ADF Type

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 I. FEATURES 1. Personal Copier with a Zoom Function and a Fixed Copyboard • You can choose either a default enlargement/reduction ratio or any ratio b...

Page 14 - Mechanisms; Copier; Type

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 2 Descriptions Desk top Fixed Halogen lamp (80 V/110 W for 120V-model; 150 V/160 Wfor 220/240 V-model) Fixed focal point lens OPC drum (24-mm dia.) Item...

Page 15 - Performance

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 3 Descriptions Sheet, book, 3-D object (2kg max.) A4 (297 × 210 mm)/LGL (216 × 356 mm) Inch/AB-configuration: 2R2E Inch-configuration: 3R1E 70% to 141% ...

Page 16 - Others

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 4 4. Others Descriptions 7.5°C to 32.5°C/45.5°F to 90.5°F5% to 85% RH607.95 to 1013.25 hPa (0.6 to 1 atm) 120 V 60 Hz 220/240 V 50 Hz NVFxxxxx PTZxxxxx ...

Page 17 - Default Ratios

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 5 Table 1-205 2R2E (Inch/AB-configuration) 1:1.000 1:0.707 1:0816 1:1.154 1:1.414 Item Direct Reduce I Reduce II Reduce III Reduce IV Enlarge I Enlarge ...

Page 18 - ADF

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 6 Table 1-207 Descriptions Auto pickup/delivery Face-down Center reference Top separation Single-sided (50 to 128 g/m 2 ) A5 (STMT) to A4R (LTRR), LGLLe...

Page 20 - External View; Copyboard Type

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 8 III. NAMES OF PARTS A. External View 1. Copyboard Type Figure 1-301 Figure 1-302 [1] Copy tray[2] Power cord connector[3] Open/close lever [1] Copyboa...

Page 23 - Cross Section; Body

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 1 [1] No. 3 mirror[2] No. 2 mirror[3] No. 1 mirror[4] Scanning lamp[5] Heat exhaust fan[6] Copyboard glass[7] Drum Unit[8] Pre-exposure lamp[9] Side b...

Page 25 - IV. USING THE MACHINE; Control Panel

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 3 Description Adjusts the density of copiesmanually. Indicates the selected copy den-sity mode. Indicates the selected default ra-tio. Indicates the s...

Page 27 - User mode

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 5 Indication U1 U5* U6* U7 U9 Function Primary charging roller cleaning DF recovery mode on/off Feeder cleaning Installation/drum replacement mode Res...

Page 28 - V. ROUTINE MAINTENANCE BY THE USER; Soiled Images

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 6 Zoom V. ROUTINE MAINTENANCE BY THE USER Instruct the user to clean the following if images tend to be soiled or copy paper tends to jam often. 1. So...

Page 29 - If Jams Occur Frequently

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 7 b.2 Cleaning by Hand 1) Wipe the feed belt with a moist cloth (water or mild detergent solution) in the direction of the arrow in the figure; then, ...

Page 31 - Outline

CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 9 VI. IMAGE FORMATION A. Outline The construction of the machine is as follows: Figure 1-601 Scanning lamp Copyboard glass Fixed focal point lens Side...

Page 35 - BASIC OPERATIONS; Functional Construction

CHAPTER 2 BASIC OPERATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2 - 1 Figure 2-101 Control system Control panel Control circuit Original illuminating block Copyboard Exposure system Image formation system Primary charging ro...

Page 36 - Outline of Electrical Circuitry

CHAPTER 2 BASIC OPERATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2 - 2 Figure 2-102 Sensor Q101 CPU Q900 CPU Scanning lamp Fixing heater Contact PCB High- voltage circuit block +5V+24V Main motordriver PCB Solenoid Toner leve...

Page 37 - Basic Sequence of Operations

CHAPTER 2 BASIC OPERATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2 - 3 Figure 2-103 Copy Start key Power switch ON ON STBY INTR AER SCFW Forward SCFW SCRV LSTR STBY Main motor (M1) Scanner lamp (LA1) Pre-exposure lamp Transfe...

Page 40 - Operations

CHAPTER 2 BASIC OPERATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2 - 6 2. Operations The main motor (M1) is a DC motor with a built-in clock pulse generator, which generates clock pulses (MMCLK) in relation to the rotation of...

Page 41 - Inputs to and Outputs from the DC Controller

CHAPTER 2 BASIC OPERATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2 - 7 E. Inputs to and Outputs from the DC Controller 1. Inputs to the DC Control (1/2) Figure 2-105 PS1 PS2 PS3 TH1 TH2 J101-1 -3-2 J109-11 -10 -9 J102-7 -9-8 ...

Page 45 - Inputs to and Outputs from the ADF

CHAPTER 2 BASIC OPERATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2 - 1 1 5. Inputs to and Outputs from the ADF Figure 2-109 Composite power supply PCB +24V +5V +5V +24V J114-1 -2 REQ -3 -4 ACK -5 -6 TXD -7 -8 -8 -7 -6 -5 -4 -...

Page 49 - OPERATIONS

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 1 Item Lamp Scanning Scanner position detection Ratio variation Lens drive control Scanner drive control Protective function Description Halogen By moving t...

Page 50 - Varying the Reproduction Ratio

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 2 Figure 3-102 Direct Optical length Reduction Optical length Enlargement Optical length Optical length: L1 < L2, L1 < L3 L3 L2 L1 F F F F' F' F' B. V...

Page 51 - Lens Drive System

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 3 Figure 3-103 Lens home positionsensor (PS2) Lens shift detecting shaftfor side blanking lamp Lens unit Reduction Scanner/lens drive motor(M2) No. 4/5 mirr...

Page 52 - Scanner Drive System

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 4 Figure 3-104 J101-1 M2 PS1 Light-blockingplate Scanner home position signal (SCHP) Scanner home position sensor(PS1) J110 -1 SC_COM -2 SC_B* -3 SC_B -4 SC...

Page 53 - Relationship between Scanner Sensor and Signal

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 5 2. Relationship between Scanner Sensor and Signal 3. Basic Sequence of Operations (scanner) Description • Provides a means of reference for determining fo...

Page 54 - Controlling the Copying Speed

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 6 4. Controlling the Copying Speed The machine uses a halogen lamp for scanning, and the heat of the lamp increases the tempera- ture of the copyboard. To p...

Page 55 - Controlling the Scanner/Lens Drive Motor

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 7 Figure 3-107 Current switching signal 1 Current switching signal 2 Current switching signal 3 (Q101) (Q109) DC controller PCB A A* B B* SC-COM SC-COM J110...

Page 57 - Controlling the Scanning Lamp

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 9 Figure 3-201 (Q101) (Q900) Serialcommunication Intensity adjustmentsignal PWM_1KHz Lamp activationsignal LAMP_ON Activation detectionsignal LAMP_DETECT DC...

Page 59 - Related Service Mode

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 1 1 Figure 3-202 t [msec] ON OFF 1kHz 1 [msec] Pulse duty= t/ × 100 [%] <PWM_1KHz signal> 1k 1 b. Controlling the Intensity of the Scanning Lamp The i...

Page 60 - Related Error Code

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 1 2 c. Monitoring the Activation of the Scanning Lamp The activation detection signal (LAMP_DETECT) is sent to the microprocessor (Q900) on the composite po...

Page 62 - Scanner Drive Assembly

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 1 4 5) Disconnect the connector (J110) [3] from the DC controller PCB. Figure 3-301 Figure 3-302 [1] [1] [2] A. Scanner Drive Assembly 1. Removing the Scann...

Page 65 - Outline of the Scanner Drive Cable

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 1 7 Figure 3-306 Wind 1.5 times. (black cable)Wind 7.5 times.(silver-colored cable) 2. Outline of the Scanner Drive Cable

Page 66 - Routing the Scanner Drive Cable

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 1 8 Figure 3-307 Figure 3-308 [1] 3. Routing the Scanner Drive Cable a. Before Starting the Work Prepare the following: • Mirror positioning tool• Cable cli...

Page 80 - Lens Drive Assembly; Removing the Lens Cable

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 3 2 Figure 3-336 [1] [1] [2] B. Lens Drive Assembly 1. Removing the Lens Cable 1) Turn on the power; when the lens has moved to the Direct position, disconn...

Page 84 - Routing the Lens Cable

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 3 6 Figure 3-344 Figure 3-345 [2] [1] [1] [2] [3] 2. Routing the Lens Cable 1) After routing the lens cable, keep the lever [1] of the No. 4/5 mirror mount ...

Page 86 - Exposure System; Removing the Scanning Lamp

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 3 8 Figure 3-347 Figure 3-348 [1] [2] [3] [4] [5] C. Exposure System 1. Removing the Scanning Lamp 1) Disconnect the power plug.2) Remove the copyboard glas...

Page 89 - Removing the Thermal Fuse

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 4 1 Figure 3-351 [1] [2] 3. Removing the Thermal Fuse 1) Disconnect the power plug.2) Remove the copyboard glass. (See Chapter 7.III.C.1. “Removing theCopyb...

Page 90 - Removing the Thermistor Unit

CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3 - 4 2 Figure 3-353 [1] [2] [3] 5. Removing the Thermistor Unit 1) Remove the top cover. (See Chapter 7.III.A.1. “Removing theTop Cover.”) 2) Disconnect the co...

Page 93 - IMAGE FORMATION SYSTEM

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 1 Item Primary charging roller bias control Transfer roller bias control Developing/separation static elimi-nator bias control Density control Pre-ex...

Page 95 - Timing Chart for the Image Formation System

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 Figure 4-102 Copy Start key ON STBY INTR SCFW forward SCFW SCRV Reverse 3200V LSTR STBY Main motor (M1) Scanning lamp (LA1) Pre-exposure lamp Trans...

Page 96 - Primary Charging Roller Bias Control

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 4 C. Primary Charging Roller Bias Control 1. Outline Figure 4-103 shows the circuit used to control the voltage applied to the primary charging rolle...

Page 98 - Table 4-102 Relationship between DC Bias Output and Signal

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 6 Table 4-102 Relationship between DC Bias Output and Signal DC bias ON signal (8-bit signal communication) bit0 bit1 1 – 1 0 1 1 0 – 0 0 PR_DC_ON (J...

Page 101 - Controlling the Transfer Roller Bias

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 9 D. Controlling the Transfer Roller Bias 1. Outline The circuit shown in Figure 4-105 is used to control the voltage applied to the transfer chargin...

Page 104 - Controlling the Developing/Separation Static Eliminator Bias

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 1 2 Reference: Developing DC bias: -40 ~ -550VDeveloping AC bias: 1350Vpp±100Vpp E. Controlling the Developing/Separation Static Eliminator Bias 1. O...

Page 106 - Table 4-104 Relationship between Developing DC Bias and Signals

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 1 4 Table 4-104 Relationship between Developing DC Bias and Signals 3. Turning On and Off the AC Bias The AC bias is turned on and off by the develop...

Page 107 - Developing DC Bias Voltage Level Control

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 1 5 Figure 4-108 4. Developing DC Bias Voltage Level Control The DC bias control signal (BIAS_PWM) is varied according to the following settings so a...

Page 110 - Measuring the Density of Originals

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 1 8 Figure 4-111 Scanning lamp +24V +24V +24V +24V +5V +5V VR102 VR103 J601 -3 J107 -2 AEREF AE -2 -3 - + - + - + - + Photo- sensitive drum Developin...

Page 111 - YZghdefghiJK

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 1 9 Figure 4-112 YZghdefghiJK 68.8mm (approx.) 23.5mm (approx.) 5.8mm (approx.) 37.7mm (approx.) Middle of original : Area read by AE sensor 2. Opera...

Page 116 - Controlling the Pre-Exposure Lamp

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 2 4 Figure 4-120 G. Controlling the Pre-Exposure Lamp 1. Outline The machine is equipped with a pre-exposure lamp to ensure stable generation of imag...

Page 118 - Controlling the Side Blanking Mechanism

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 2 6 Figure 4-122 Figure 4-123 Reflecting plate Rear side blanking lamp Lens shift detecting shaft Front side blanking lamp Reflecting plate (front) ,...

Page 119 - II. DEVELOPING ASSEMBLY/CLEANING ASSEMBLY

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 2 7 II. DEVELOPING ASSEMBLY/CLEANING ASSEMBLY A. Outline The machine’s developing assembly may be locked into or out of position by means of a lock- ...

Page 120 - Detecting the Level of Toner

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 2 8 B. Detecting the Level of Toner 1. Outline The level of toner inside the developing assembly is monitored by the toner level antenna and the tone...

Page 122 - Detecting Waste Toner

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 0 C. Detecting Waste Toner The drive occurring as the result of rotation of the photosensitive drum is transmitted to the drum gear, coupling gear,...

Page 123 - Primary Charging Roller Cleaning Control

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 1 D. Primary Charging Roller Cleaning Control 1. Outline The machine is equipped with an automatic cleaning mechanism used to remove toner and pape...

Page 124 - Timing of Cleaning

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 2 1 2 9 10 11 1 2 9 1 2 9 10 11 12 Power-on Power-on Power-on Power-off CopyingDelivery sensor(PS3)Primary charging rollercleaning solenoid(SL6) 3....

Page 126 - Drum Unit

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 4 Figure 4-301 [4] [3] [2] [1] A. Drum Unit 1. Outline [1] Primary charging roller cleaning pad[2] Primary charging roller[3] Photosensitive drum[4...

Page 127 - Removing the Drum Unit

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 5 2. Removing the Drum Unit 1) Open the machine’s top unit.2) Turn the developing locking lever [1] counterclockwise. 3) Turn the fixing lever [2] ...

Page 128 - Cleaning

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 6 4) Pull out the drum unit [3] slowly to the front. Figure 4-304 Caution: 1. Take care not to damage the photo- sensitive drum. 2. The photosensit...

Page 129 - After Replacing the Drum Unit; PRIMARY

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 7 4. After Replacing the Drum Unit 1) Record the date and the counter reading in the label [1] shown in the figure, and at-tach the label to the fr...

Page 131 - Blank Exposure

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 3 9 Figure 4-308 [1] C. Blank Exposure 1. Removing the Blanking ExposureUnit 1) Set the machine to the maximum ratio (141%) as follows:• Turn on the ...

Page 135 - Developing Assembly; Construction

CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 4 3 D. Developing Assembly 1. Construction [1] Blade [3] Stirring rod [2] Hopper assembly [4] Developing cylinder Figure 4-316 2. Removing the Develo...

Page 143 - CHAPTER 5

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter explains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechan...

Page 145 - PICKUP/FEEDING SYSTEM

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 Table 5-101 Notation PS3 PS4 Q751 Name Delivery sensor Vertical path roller paper sensor Pre-registration roller paper sensor Remarks I. PICKUP/FEE...

Page 146 - Controlling the Pickup Roller

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 2 B. Controlling the Pickup Roller 1. Outline The machine has two types of pickup rollers, i.e., cassette pickup roller, and multifeeder pickup rolle...

Page 148 - Controlling the Multifeeder Pickup Roller

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 4 Figure 5-104 M1 SL1 SL4 Cam gear Spring clutch Control ring Lifter Multifeeder pickup roller Paper guideplate Copy paper DC controller PCB Multifee...

Page 149 - Controlling the Copying Speed in Multifeeder Mode

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 5 Figure 5-105 SCRV Delivery sensor (PS3) Pre-registration rollerpaper sensor (Q751) Cassette pickup solenoid (SL5) Switching to 9-cpm copying speed ...

Page 150 - Controlling the Movement of Paper; Controlling the Registration Roller

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 6 Figure 5-106 M1 Claw SL2 DC controller PCB Registration clutch solenoid drive signal ( RGSLD* ) Pre-registration roller paper detection signal ( RP...

Page 151 - Pickup/Feeding Timing Chart

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 7 Figure 5-107 Figure 5-108 2. Pickup/Feeding Timing Chart a. Pickup from the Cassette (A4, 2 copies) , , , Copy Start key ON STBY INTR SCFW SCFW SCR...

Page 152 - Detecting Jams

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 8 Figure 5-109 1. Multifeeder Pickup Assembly (no paper, pickup delay jam) If copy paper does not reach the pre-registration roller paper sensor with...

Page 156 - Delivery Delay Jam; Delivery Stationary Jam

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 2 Figure 5-117 6. Delivery Delay Jam If copy paper does not reach the delivery sensor within a specific period of time because of feeding faults, t...

Page 158 - Pickup Assembly; Removing the Pickup Roller

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 4 Figure 5-201 Figure 5-202 [1] [2] [3] A. Pickup Assembly 1. Removing the Pickup Roller 1) Pull out the casssette.2) Remove the front lower cover....

Page 161 - Removing the Pickup Clutch

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 7 Figure 5-207 Figure 5-208 [1] [2] [3] 2. Removing the Pickup Clutch 1) Remove the front lower cover. (See Chapter 7.III.A.2. “Removing theFront L...

Page 163 - Removing the Vertical Path Roller

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 9 Figure 5-211 Figure 5-212 [1] [2] [3] 3. Removing the Vertical Path Roller 1) Remove the front lower cover. (See Chapter 7.III.A.2. “Removing the...

Page 165 - Multifeeder Assembly; Removing the Multifeeder Unit

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 2 1 Figure 5-214 Figure 5-215 [1] [1] [2] Pickupgear unit B. Multifeeder Assembly 1. Removing the Multifeeder Unit 1) Open the right door.2) Remove t...

Page 167 - Removing the Separation Pad

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 2 3 Figure 5-219 Figure 5-220 [1] [2] [3] [4] [5] [5] 3. Removing the Separation Pad 1) Remove the multifeeder pickup roller to- gether with its shaf...

Page 168 - Feeding Assembly; Detaching the Feed Belt

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 2 4 Figure 5-221 Figure 5-222 [2] [1] [3] [3] [3] [3] [3] [3] [4] [4] [4] [4] [5] [5] [5] C. Feeding Assembly 1. Detaching the Feed Belt 1) Open the ...

Page 174 - Delivery Assembly; Removing the Delivery Roller

CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 3 0 E. Delivery Assembly 1. Removing the Delivery Roller 1) Remove the fixing lower roller. (See Chapter 6.II.A.3. “Removing the Fix-ing Lower Roller...

Page 181 - Controlling the Fixing Temperature

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 3 B. Controlling the Fixing Temperature 1. Outline The fixing lower roller of the fixing assembly is driven by the main motor (M1). When the fixing lower roll...

Page 182 - Controlling the Temperature of the Fixing Heater

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 4 2. Controlling the Temperature of the Fixing Heater The temperature of the fixing heater is switched according to the following two parameters:• Temperature...

Page 184 - Correcting the Variation in the Resistance of the Fixing Heater

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 6 Figure 6-106 Figure 6-105 4. Correcting the Variation in the Resistance of the Fixing Heater The characteristics of the flat heater used as the fixing heate...

Page 186 - Protective Functions

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 8 6. Protective Functions The machine is equipped with the following protective functions to prevent malfunction of the fixing heater. a. Thermistor (TH1) The...

Page 188 - Fixing Assembly

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 1 0 Figure 6-201 Figure 6-202 [5] [4] [3] [1] [2] [2] [3] [1] A. Fixing Assembly 1. Construction 2. Removing the Fixing Assembly 1) Remove the front lower cov...

Page 190 - Removing the Fixing Lower Roller

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 1 2 3. Removing the Fixing Lower Roller 1) Remove the fixing assembly. (See 2. “Removing the Fixing Assem-bly.”) 2) Remove the two screws [1], and free the tw...

Page 191 - Removing the Cleaning Roller

CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 6 - 1 3 4) Remove the fixing lower roller [6] to- gether with the gear. Figure 6-207 [6] Figure 6-208 [1] 4. Removing the Cleaning Roller 1) Remove the fixing low...

Page 195 - FANS

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 1 Figure 7-101 Heat exhausting fan FM1 I. FANS The machine is equipped with two fans serving to discharge ozone or cool its inside.The heat e...

Page 197 - II. POWER SUPPLY SYSTEM; Outline of the Power Supply System

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 3 Figure 7-201 Power plug DS1 Composite power supply circuit Noise filter circuit Door switch RelayRL601 FU102 Trans-former T600 Auxiliary po...

Page 198 - Power Supply Circuit

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 4 B. Power Supply Circuit The machine's power supply consists of a composite power supply circuit in which a DC power supply, scanning lamp p...

Page 200 - Detecting an Error on the Composite Power Supply PCB; Detecting an Over-Current in the Low-Voltage System; Protecting the Power Supply Circuit

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 6 C. Detecting an Error on the Composite Power Supply PCB The machine's composite power supply PCB is equipped with a self diagnostic functio...

Page 202 - External Covers

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 8 Figure 7-301 (Copyboard type) [1] [2] [3] [7] [6] [5] [4] [1] Copyboard cover[2] Top cover[3] Control panel[4] Front lower cover [5] Casset...

Page 204 - Removing the Top Cover

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 1 0 Figure 7-304 Figure 7-305 [1] [1] [2] [3] [3] [4] 1. Removing the Top Cover 1) Remove the copyboard cover or the ADF.2) Open the machine’...

Page 207 - Removing the Front Lower Cover

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 1 3 Figure 7-309 2. Removing the Front Lower Cover 1) Open the right door.2) Remove the two screws [1], and detach the multifeeder unit [2]. ...

Page 209 - Removing the Control Panel

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 1 5 Figure 7-314 Figure 7-315 [1] [1] [2] [4] [4] [3] [3] [5] B. Control Panel 1. Removing the Control Panel 1) Open the machine’s top unit.2...

Page 210 - Copyboard Glass; Removing the Copyboard Glass

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 1 6 Figure 7-316 Figure 7-317 [1] [2] [2] [3] Grounding plate Copyboard glass C. Copyboard Glass 1. Removing the Copyboard Glass 1) Remove th...

Page 211 - Removing the Main Motor Unit

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 1 7 Figure 7-318 Figure 7-319 [1] [2] [3] D. Main Motor/Main DriveAssembly 1. Removing the Main Motor Unit 1) Remove the drum unit.2) Remove ...

Page 215 - Electrical System; Removing the DC Controller PCB

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7 - 2 1 Figure 7-326 Figure 7-327 [1] [1] [2] [3] [4] [5] [4] [4] E. Electrical System 1. Removing the DC Controller PCB 1) Open the machine’s to...

Page 224 - Basic Construction; Outline of the Electric Circuitry

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 2 B Basic Construction 1. Outline of the Electric Circuitry The ADF’s major electrical mechanisms are controlled by the CPU on the ADF controller PCB. The CPU on the AD...

Page 225 - Inputs to and Outputs from the ADF Controller PCB

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 3 2. Inputs to and Outputs from the ADF Controller PCB a. Inputs to and Outputs from the ADF Controller PCB (1/1) Figure 8-103 ADF switch Registration papersensor Origi...

Page 226 - Basic Operations

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 4 C. Basic Operations 1. Outline The ADF uses two motors for picking up and delivering originals. The pickup motor (M2) is used to pick up originals, and the belt motor...

Page 227 - One-Sided Original Mode

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 5 2. One-Sided Original Mode The ADF picks up originals stacked on the original tray starting with the topmost original; after it picks up an original, it places it on ...

Page 228 - Detecting an Original

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 6 D. Detecting an Original 1. Outline The ADF’s original detection mechanism has the following two functions: 1. Detecting the Presence/Absence of an Original Checks wh...

Page 229 - Identifying the Length of the Original

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 7 2. Identifying the Length of the Original The registration paper sensor (PI2) is used to identify the length of the original, if any.The ADF controller computes the l...

Page 230 - Pickup Operation; Operation

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 8 E. Pickup Operation 1. Operation When an original is placed on the original tray and the Copy Start key is pressed, the following sequence of operations takes place: ...

Page 234 - Delivery

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 1 2 F. Delivery 1. Operations The ADF operates as follows to deliver originals from the copyboard glass: 1 Delivery Feeding The feeding belt is moved to feed and delive...

Page 236 - Controlling the Pickup Motor

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 1 4 G. Controlling the Pickup Motor 1. Outline Figure 8-121 is a diagram of the control circuit for the pickup motor (M2).The pickup motor is a DC motor.The CPU (Q1) on...

Page 237 - Controlling the Belt Motor

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 1 5 H. Controlling the Belt Motor 1. Outline Figure 8-122 is a diagram showing the control circuit for the belt motor (M2).The belt motor is a 4-phase control stepping ...

Page 238 - Detecting Original Jams

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 1 6 I. Detecting Original Jams The ADF is equipped with three jam sensors (PI1 through PI3) as indicated in Figure 8-123 to monitor the movement of originals. The movem...

Page 239 - Power Supply

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 1 7 J. Power Supply 1. Outline Figure 8-124 shows the routes of power supply.The ADF is supplied by the copier with 5 V and 24 V. The 24V supply is cut off when the ADF...

Page 241 - Removing the ADF

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 1 9 A. Removing the ADF 1) Open the machine’s top unit.2) Free the two claws [1], and slide the left cover [2] to detach. 3) Remove the screw [3], and free the four cla...

Page 245 - Drive System; Drive Unit

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 2 3 C. Drive System 1. Drive Unit 1) Remove the lower cover. (See “B. External Covers.”) 2) Remove the screw [1] and the bushing [2]; then, remove the pickup roller cov...

Page 248 - Feeding System; Pickup Roller

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 2 6 D. Feeding System 1. Pickup Roller 1) Remove the drive unit [1]. (See “C.1. Drive Unit.”) 2) Remove the E-ring [2], and remove the shaft [3]; then, detach the picku...

Page 250 - Registration Roller

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 2 8 2. Registration Roller 1) Remove the lower cover. (See “B. External Covers.”) 2) Remove the link arm [1] from the registra- tion roller shaft [2] by turning the lin...

Page 251 - Feeding Belt

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 2 9 3. Feeding Belt 1) Remove the lower cover. (See “B. External Covers.”) 2) Remove the two tension springs [1]. 3) Remove the E-ring [2], and remove the bearing [3]. ...

Page 255 - ADF Controller PCB

CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 8 - 3 3 E. Electrical System 1. ADF Controller PCB 1) Remove the lower cover. (See “B. External Covers.”) 2) Disconnect the five connectors [1], and remove the two screws [...

Page 259 - SELECTING THE SITE

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 I. SELECTING THE SITE Keep the following in mind when selecting a site for installation; if possible, visit the user's before delivery of the machine: • The ...

Page 260 - II. UNPACKING AND INSTALLATION; Unpacking and Installation; Setting up the Machine

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 2 II. UNPACKING AND INSTALLATION When a piece of metal is brought in from a cold to warm place, droplets of water tend to form on its surface. This phenomenon ...

Page 264 - Installing the Drum unit

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 6 Work Checks and remarks Step Turn the developing assembly locking levercounterclockwise. 1 Turn the drum unit releasing lever counter-clockwise. Remove the d...

Page 267 - Installing the Toner Cartridge

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 9 Work Checks and remarks Step Prepare to insert a new toner cartridge. 1 While holding the toner cartridge horizontal,shake it left and right so that the tone...

Page 269 - Attaching the ADF Auxiliary Tray (ADF type only)

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 1 Work Checks and remarks Step Open the original tray. 1 While bending the ADF auxiliary tray in thedirection of arrows in the figure, insert it intothe hole...

Page 271 - Connecting the Power Cord

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 3 Work Checks and remarks Step I n s e r t o n e e n d o f t h e p o w e r c o r d t o t h emachine’s power supply unit. 1 Connect the power plug to the powe...

Page 272 - Adjusting the Machine

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 4 Work Checks and remarks Step U s e " I n s t a l l a t i o n / d r u m u n i t r e p l a c e m e n tmode" (U7) of the user mode to adjust themachin...

Page 274 - Installing the Copy Tray

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 6 Work Checks and remarks Step Attach the copy tray into the machine.Fit the copy tray by matching its grooves overthe three protrusions on the machine’s lef...

Page 275 - Checking the Operation

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 7 9. Checking the Operation Work Checks and remarks Step Set the Test Sheet on the copyboard glass, andcheck copying operation. 1 Clean the machine’s exterio...

Page 276 - Placing Copy Paper; Universal Cassette

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 1 8 Work Checks and remarks Step B. Placing Copy Paper 1. Universal Cassette Take out the cassette from the machine, andremove the protective members and the l...

Page 279 - III. MOVING THE MACHINE

CHAPTER 9 INSTALLATION COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9 - 2 1 Work Checks and remarks Step III. MOVING THE MACHINE If you need to move the machine by truck or any other means of transportation after installa- tion, be...

Page 281 - MAINTENANCE AND SERVICING

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 MAINTENANCE AND SERVICING I. PERIODICALLY REPLACEDPARTS ....................................... 10-1 II. DURABLES ANDCONSUMABLES ...................... 10-1 III. SCHEDULED SER...

Page 283 - PERIODICALLY REPLACED PARTS

CHAPTER 10 MAINTENANCE AND SERVICING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 0 - 1 I. PERIODICALLY REPLACED PARTS The machine does not have parts which must be replaced on a periodical basis. II. DURABLES AND CONSUMABLES The...

Page 285 - TROUBLESHOOTING

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 TROUBLESHOOTING I. MAINTENANCE ANDINSPECTION ............................ 11-3A. Image Adjustment BasicProcedure ........................... 11-3 B. Points to Note forServicin...

Page 287 - Guide to the Troubleshooting Procedure

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 1 - 1 Guide to the Troubleshooting Procedure This chapter provides troubleshooting instructions in the form of tables prepared based on generally found flow ...

Page 289 - MAINTENANCE AND INSPECTION; Image Adjustment Basic Procedure

1 1 - 3 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) I. MAINTENANCE AND INSPECTION A. Image Adjustment Basic Procedure Making Pre-Checks Adjusting the Optimum Density Clean the parts. Is the copy density correction dial (VR107) cen...

Page 290 - Points to Note for Servicing

1 1 - 4 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) B. Points to Note for Servicing Lens Part Tools/sovents Work/remarks Reflecting plate Blower brush Blower brush Cleaning. Cleaning. No. 1/No. 6 mirror Scanning lamp Blower brush ...

Page 291 - II. STANDARDS AND ADJUSTMENTS; Mechanical

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 1 - 5 II. STANDARDS AND ADJUSTMENTS A. Mechanical 1. Copier a. Leading Edge Non-Image Width Make adjustments so that the leading edge non-image width is 2.0 ...

Page 316 - Adjusting the Original Stop Position; Correcting Original Skew

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-30 B. ADF 1. Adjusting the Original Stop Position Adjust the original stop position in the following order: 1. Correcting original skew2. Adjusting the rear...

Page 318 - Adjusting the Rear/Front Original Stop Position

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-32 3. Adjusting the Rear/Front Original Stop Position You must first correct original skew before adjusting the rear/front original stop position. 1) Obtain...

Page 321 - Adjusting the Original Leading Edge Stop Position

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-35 4. Adjusting the Original Leading Edge Stop Position You must first correct original skew and adjust the rear/front original stop position before adjusti...

Page 327 - Electrical; After Replacing the Major Parts

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-41 C. Electrical 1. After Replacing the Major Parts Work 1. Scanning lamp intensity adjustment (LAMP_ADJ)2. AE adjustment 1. AE adjustment (1. Scanning lamp...

Page 328 - Adjusting the Intensity of the Scanning Lamp

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-42 2. Adjusting the Intensity of the Scanning Lamp You must perform this adjustment whenever you have replaced any of the following:• DC controller PCB• Com...

Page 330 - AE Adjustment

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-44 3. AE Adjustment Perform this adjustment if you have replaced any of the following:• DC controller PCB• Composite power supply PCB (See p.11-41)• AE sens...

Page 333 - Primary Charging Output Voltage Correction (PRIMARY)

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-47 4. Primary Charging Output Voltage Correction (PRIMARY) Perform this adjustment whenever you have replaced any of the following:• DC controller PCB• Drum...

Page 337 - Checking the Photointerrupters

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-51 10. Checking the Photointerrupters 1) Set the meter range to 12 VDC.2) Connect the - probe [1] of the meter to the grounding terminal [2]. Sensor PS1Scan...

Page 338 - III. TROUBLESHOOTING IMAGE FAULTS; Making Initial Checks

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-52 III. TROUBLESHOOTING IMAGE FAULTS A. Making Initial Checks 1. Site Environment Check the site against the following considerations: a. The voltage of the...

Page 343 - Troubleshooting Image Faults

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-57 C. Troubleshooting Image Faults 1 The copy is too light. (halftone area only) 2 The copy is too light. (including solid area) 3 The copy is too light. (e...

Page 345 - The copy is foggy vertically.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 10 The copy has white spots. (vertical)11 The copy has white lines. (vertical) YES/NO YES YES YES YES NO Cause Fixingassembly Tonercartridge Static elimi...

Page 346 - 3 The back of the copy is soiled.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-60 13 The back of the copy is soiled. YES/NO NO YES YES NO Cause ------------ Transferguide assem-bly FeedingassemblyPickup guideassembly,Deliveryroller Ste...

Page 347 - 4 The copy has a fixing fault.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-61 14 The copy has a fixing fault. YES/NO NO YES NO YES Cause Copy paper Fixing film Fixing heater DC control-ler PCB,Compositepowersupply PCB Step 1 2 3 Ch...

Page 348 - 8 The copy has a blurred image.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-62 15 The copy has a misplaced leading edge. (extremely excess margin)16 The copy has a misplaced leading edge. (excess margin)17 The copy has a misplaced l...

Page 349 - 9 The copy has horizontal fogging.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-63 19 The copy has horizontal fogging. YES/NO YES YES NO YES NO Cause ScanninglampDrum unit,High-voltagetransformerassembly ScanningsystemFeedingsystem Step...

Page 350 - 1 The copy is blank.; 2 The copy is solid black.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-64 21 The copy is blank. YES/NO YES NO NO YES NO Cause Tonercartridge Drum driveassembly High-voltagetransformer Primaryhigh-voltagechargingterminal,Drum un...

Page 351 - IV. TROUBLESHOOTING MALFUNCTIONS; Troubleshooting Malfunctions

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-65 IV. TROUBLESHOOTING MALFUNCTIONS A. Troubleshooting Malfunctions 1 E000 YES/NO NO NO YES YES NO Cause Thermistor(TH1) Heater,Fuse (FU2) Thermistor(TH1)Co...

Page 356 - 4 AC power fails to turn on.

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 TROUBLESHOOTING 11-70 14 AC power fails to turn on. YES/NO NO NO NO YES YES NO NO NO NO NO YES NO Step 1 2 3 4 5 6 7 8 9 10 11 Checks Is the power plug connected to thepower o...

Page 357 - 5 DC power fails to turn on.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-71 15 DC power fails to turn on. YES/NO NO YES YES NO Cause AC powersupply Wiring, DCload Fuse Compositepowersupply PCB Step 1 2 3 Checks Is AC power presen...

Page 359 - 8 The scanner fails to move forward.; 9 The registration roller fails to rotate.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-73 18 The scanner fails to move forward. YES/NO NO NO NO NO YES NO Cause Cable Scanner path Compositepowersupply PCB Pre-registra-tion rollerpaper sensor(Q7...

Page 360 - 0 The blanking lamp fails to turn on.; 2 The scanning lamp fails to turn on.; 1 The pre-exposure lamp fails to turn on.

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 11 TROUBLESHOOTING 11-74 20 The blanking lamp fails to turn on. YES/NO NO YES Cause Side blank-ing PCB DC control-ler PCB Step 1 Checks Remove J106 from the DC controlPCB, and se...

Page 361 - 3 The lens fails to turn on.; 4 The fixing heater fails to turn on.

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-75 23 The lens fails to turn on. YES/NO NO NO NO YES NO Cause Lens sole-noid (SL3) Lens cable,Pulley, Rail DC powersupply Scanner/lensdrive motor(M2)DC cont...

Page 363 - V. TROUBLESHOOTING FEEDING PROBLEMS; Copy Paper Jam

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 V. TROUBLESHOOTING FEEDING PROBLEMS A. Copy Paper Jam Inside the machine, jams tend occur in the following blocks: [1] Pickup block[2] Separation/feeding...

Page 365 - Separation/Feeding Assembly

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-79 2 Separation/Feeding Assembly YES/NO YES YES YES NO YES NO YES NO Cause Copy paper Feedingassembly Feed belt,RollerStatic elimi-natorPre-registra-tion ro...

Page 366 - Faulty Feeding; Wrinkles

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-80 B. Faulty Feeding 1 Double-Feeding YES/NO NO NO YES NO YES Cause Cassette Copy paper Claw (cas-sette) Step 1 2 3 4 Checks Is the copy paper placed under ...

Page 367 - VI. ARRANGEMENT AND FUNCTIONS OF ELECTRI-; Sensors and Solenoids

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-81 VI. ARRANGEMENT AND FUNCTIONS OF ELECTRI- CAL PARTS A. Sensors and Solenoids Figure 11-601 PS SL Description Scanner home position detectionLens home pos...

Page 368 - Switches

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-82 B. Switches Figure 11-602 Description Door switchPower switch Symbol Name Switch Notation DS1SW309 Remarks SW309 DS1

Page 370 - PCBs

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-84 D. PCBs Figure 11-604 Description Removes noise from the power supply.Controls sequence of operations.Supplies DC power, generates high voltage, andcontr...

Page 372 - Variable Resistors (VR) and Check Pins by PCB; Composite Power Supply PCB

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-86 F. Variable Resistors (VR) and Check Pins by PCB Of the variable resistors (VR) and check pins, those needed in the field are discussed herein. Those not...

Page 374 - Starting Service Mode

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-88 VII. SERVICE MODE A. Outline The machine's service mode is divided into the following four types: Table 11-701 B. Using Service Mode 1. Starting Service ...

Page 375 - Ending Service Mode

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-89 2) Close the machine's top unit, and connect the flexible cable from the control to the DC control- ler PCB; then, turn on the power switch. 3) Short JP1...

Page 376 - Clearing the Error Code from Memory

CHAPTER 11 TROUBLESHOOTING COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-90 Figure 11-704 303132333435363738 REGISTLE_BLANKPRIMARYIP_OFSTPW_OFSTIP_ADJLENS_ADJPREX_LPLAMP_ADJ FB5-2777 4. Clearing the Error Code from Memory If 'E00...

Page 385 - A. GENERAL TIMING CHART

A - 1 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A. GENERAL TIMING CHART 1. COPYBOARD TYPE Power switch ON Copy Start key ON Sequence STBY INTR AER SCFW SCRV LSTR STBY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 18 19 20 15 16 17 Main motor...

Page 387 - B. SIGNALS AND ABBREVIATIONS

A - 3 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1. Signals ACBIAS AC BIAS OSCILLATION signal [AE] AE SENSOR OUTPUT signal AEREF AE SENSOR REFERENCE signal BIAS_PWM DC BIAS CONTROL signal BIAS_S DC BIAS MONITOR signal CLK32K TRAN...

Page 389 - C. GENERAL CIRCUIT DIAGRAM

A - 5 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 2 3 4 5 6 7 8 9 10 11 J109 +24VU +24VU GND +5V +24VU +24VU 1 2 3 4 5 6 1 2 3 4 5 6 J51 1 J52 2 2 1 J53 2 1 1 2 SL SL3 SL1 SL SL2 J54 SL 1 2 2 1 1 3 2 3 2 1 J55 SL4 SL 2 3 1 J56 P...

Page 391 - D. DC CONTROLLER CIRCUIT DIAGRAM

A - 7 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 Vss P84 P83 P82 P81 P80 AVss P77 P76 P75 P74 P73 P72 P71 P70 Vref AVcc P...

Page 399 - E. ADF CONTROLLER CIRCUIT DIAGRAM

A - 1 5 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) XTAL 1 64 RES* 63 P66/IRQ2* 62 P65/IRQ1* 61 P64/IRQ0* 60 P63/FTI 59 P62/FT OB 58 P61/FT O A 57 P60/FTCI 56 P37/D7 55 P36/D6 54 P35/D5 53 P34/D4 52 P33/D3 51 P32/D2 50 P31/D1 49 P...

Page 403 - F. COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM

A - 1 9 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) F. COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM Composite Power Supply Circuit Diagram (1/9) [A502] AC_INPUT D603 R606 D606 C613 Q608 R602 C609 Q616 Q617 Q621 C604 Q605 C818 C603 R601 ...

Page 413 - G. CONTROL PANEL CIRCUIT DIAGRAM

A - 2 9 COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) G. CONTROL PANEL CIRCUIT DIAGRAM C303 LED314 T_FULL J301 13 KR0 J301 14 KR1 J301 1 DIG0 J301 19 KR6 J301 2 DIG1 J301 3 DIG2 J301 J304 4 1 J304 2 J304 3 DIG3 J301 20 DIG4 J301 5 S...

Page 415 - H. AE SENSOR CIRCUIT DIAGRAM

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A - 3 1 APPENDIX H. AE SENSOR CIRCUIT DIAGRAM +24VR R603 R605 R601 C601 Q601 PD601 C603 R606 R602 J601-1 C602 +24VR + 2 3 1 8 4 J601-2 R604 Q601 +24VR + 6 5 7 8 4 J601-3 J601-4

Page 416 - SENSOR CIRCUIT DIAGRAM

Page 417 - J. NOISE FILTER CIRCUIT DIAGRAM

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A - 3 3 APPENDIX J. NOISE FILTER CIRCUIT DIAGRAM AC_H FU501 L501 J501-1 FG AC_N J501-2 JP502 JP501 C503 C502 C501 R501 C504

Page 418 - K. HIGH VOLTAGE CONTACT CIRCUIT DIAGRAM

COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A - 3 4 APPENDIX K. HIGH VOLTAGE CONTACT CIRCUIT DIAGRAM JP701 2 1 JP702 2 1 PR BP701 R704 JP703 2 1 JP704 2 1 SP BP702 JP705 2 1 JP706 2 1 DV BP703 R701 JP707 2 1 JP708 2 1 TR BP704 R70...