Canon NP6218 - Manual - manualsarea.com

Page 2 - IMPORTANT

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 SLIGHTLY FROMACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER. ANY QUESTIONS REGARDING IN...

Page 3 - INTRODUCTION

This Service Manual contains the bsic facts and figures about the plain paper copier NP6218, and is compiled to serve as a handy reference for servicing the machine in thefield. The NP6218 is designed to enable fully automated copying work and may be configured with the following accessories: 1. Cas...

Page 4 - ii

Chapter 9 Maintenance and Servicing provides tables of periodically replaced partsand consumables/durables and scheduled servicing charts. Chapter 10 Troubleshooting provides tables of maintenance/inspection,standards/adjustments, and problem identification (imagefault/malfunction). Appendix contain...

Page 5 - System Configuration; iii

System Configuration The NP6218 may be configured with the following systems options: COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) iii ADF-E1Sends originals one by one froma stack set on its tray Stapler Sorter B2/D1, MS-B1Automatically sorts or (page c...

Page 6 - iv

Page 7 - CONTENTS; CHAPTER 1 GENERAL DESCRIPTION

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) v CONTENTS CHAPTER 1 GENERAL DESCRIPTION I. FEATURES .........................................1-1 II. SPECIFICATIONS ..............................1-2A. Copier ............................................1-2 ...

Page 8 - CHAPTER 4 IMAGE FORMATION SYSTEM

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) vi I. PROCESSES .....................................4-1A. Outline ...........................................4-1B. Basic Sequence of Operations (image formation system) ..............4-3 C. Controlling the S...

Page 9 - vii

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) vii 1. Outline ......................................4-162. Switching the Static Eliminator Bias Voltage Level ....................4-17 3. Ensuring Proper Separation of Thin Paper ...............................

Page 10 - viii; CHAPTER 6 FIXING SYSTEM

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) viii C. Pre-Registration Stationary Jam ...5-13D. Separation Delay Jam ...................5-14E. Separation Stationary Jam ............5-14F. Delivery Delay Jam........................5-15G. Delivery Stationa...

Page 11 - ix; CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) ix CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS I. POWER SUPPLY ...............................7-1A. Outline ...........................................7-1B. Power Supply Circuit Assembly.....7-2C. Detecting Erro...

Page 12 - CHAPTER 10 TROUBLESHOOTING

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) x CHAPTER 10 TROUBLESHOOTING I. MAINTENANCE AND INSPECTION ..10-3A. Image Adjustment Basic Procedure ....................................10-3 B. Periodical Servicing .....................10-4 II. STANDARDS AN...

Page 13 - xi

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) xi 10.The copy has white spot (vertical)..................................10-55 11.The copy has white lines (vertical)..................................10-55 12.The copy has white spots (horizontal). ...........

Page 14 - xii; APPENDIX

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) xii APPENDIX A. GENERAL TIMING CHART................A-1 B. SIGNALS AND ABBREVIATIONS ......A-2 C. GENERAL CIRCUIT DIAGRAM .........A-3not available D. SPECIAL TOOLS................................A-5 E. SOLVE...

Page 18 - Cop

3. Features Caution:1. Use Canon-recommended paper.2. Remove curling before feeding for a second time.3. Fan out the transparencies before setting them on the multifeeder to prevent adhesion. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENER...

Page 19 - Table 1-201 Standard Reproduction Ratios

4. Others Table 1-201 Standard Reproduction Ratios Reproduction ratio DIRECT REDUCE I REDUCE II ENLARGE I ENLARGE II ZOOM COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION 1-4 Item Operating environment Temperature Humidity Atm...

Page 20 - Specifications subject to change without notice.

Table 1-202 Copying Speed Specifications subject to change without notice. B. Cassette Feeding Module-B2/Cassette Feeding Module-A2 Table 1-203 Copies/min 10 18 21 14 18 20 12 12 11 10 19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL D...

Page 28 - a. Keys to Use in User Mode

2. Common Operations a. Keys to Use in User Mode • Clear Key Use it to return to the previous step; or, use it to clear a setting entered by mistakewhen making mode settings. • Start Key Use it to accept a selected item when making user mode settings. • AE Key Use it to return to copy mode when maki...

Page 29 - Settings

Table 1-403 • The display indicates the new setting (if 10 min, indicates ‘2-3’). 5) Press the Start key. • The auto power-off time is changed, and the display returns to “ ”. 6) Press the AE key. • The copier returns to standby state. Reference: If you want to disable the auto power-off function, u...

Page 30 - State of auto cassette change function

7) Press the Start key. • The zoom reproduction is fine-adjusted, and the display returns to “ ”. 8) Press the AE key. • The copier returns to standby state. The fine-adjustment reproduction ratios as shown in the copy density display are as follows: ■ Zoom Fine-Adjustment (Reduce) ■ Zoom Fine-Adjus...

Page 31 - Turning on/off the auto cassette change mechanism

4) Enter q or p using the keypad to specify ‘On’ or ‘Off ’. • The display indicates the new setting (if Off, ‘4-0’.) 5) Press the Start key. • The auto cassette change function is turned on or off, and the display returns to “ ”. 6) Press the AE key. • The copier returns to standby state. 7. Turning...

Page 32 - Selecting the density adjustment method for standard mode

9. Selecting the Density Adjustment Method for Standard Mode ( )1) Hold down the AE key for 4 sec or more. • The display indicates “ ”. 2) Enter o using the keypad so that the display indicates “ ”. 3) Press the Start key. • The display indicates ‘9-1’. Table 1-407 4) Enter q or p using the keypad t...

Page 33 - Quick Guide to User Mode

Page 34 - E. Handling the Toner Bottle; V. WARNINGS AND ACTIONS; • Handling the Toner Bottle; Do NOT throw the cartridges into fire it can burst or explode.; VI. ROUTINE MAINTENANCE BY THE USER; Make sure that the user cleans the following parts once a week:

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION 1-19 E. Handling the Toner Bottle Instruct the user to dispose of any empty toner bottle as nonflamable material. Caution: Do not dispose of the toner bottle into fire.It may ex...

Page 39 - I. BASIC CONSTRUCTION; A. Functional Construction

I. BASIC CONSTRUCTION A. Functional Construction The copier may be divided into four blocks; namely, the pick-up/feeding system, exposure system, image formation system, and control system. Figure 2-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAP...

Page 40 - B. Outline of the Electrical Circuitry

B. Outline of the Electrical Circuitry The copier’s principal electrical mechanisms are controlled by the microprocessor on the DC controller PCB. The microprocessor reads the input signals from the sensors andoperation keys according to the stored program and generates signals used to drive suchloa...

Page 42 - D. Main Motor Control Circuit; the following functions:

D. Main Motor Control Circuit 1. Outline Figure 2-104 shows the circuit used to control the main motor (M1); the circuit has the following functions: q turns on and off the main motor. w controls the main motor to a specific rotation speed. The main motor (M1) is a DC motor that has a built-in clock...

Page 43 - E. Inputs to the DC Controller PCB

E. Inputs to the DC Controller PCB 1. Inputs to the DC Controller PCB (1/3) Figure 2-105 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-5 5V PS 1 Registrationsensor 5V J307 -3 -2 -1 PS 2 LHP When lens detects home position sen...

Page 46 - F. Outputs from the DC Controller PCB

F. Outputs from the DC Controller PCB 1. Outputs from the DC Controller PCB (1/3) Figure 2-108 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-8 BP102 BP103 BP101 +5V 25V +5V +24V A B B A RL102 RL101 Q512 HTON* PWSW* TEP* HTRD ...

Page 49 - G. Inputs to and Outputs from the 1-Cassette Unit Driver PCB

G. Inputs to and Outputs from the 1-Cassette Unit Driver PCB 1. Inputs to and Outputs from the 1-Cassette Unit Driver PCB (1/1) Figure 2-111 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-11 5V J110 -1 -3 -2 J110 -4 -6 -5 PS1c...

Page 50 - H. Inputs to and Outputs from the 2-Cassette Unit Driver PCB

H. Inputs to and Outputs from the 2-Cassette Unit Driver PCB 1. Inputs to and Outputs from the 2-Cassette Unit Driver PCB (1/2) Figure 2-112 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2-12 5V J110 -1-3-2 J110 -4-6-5 PS1cu C2...

Page 54 - A. Varying the Reproduction Ratio; II. LENS DRIVE SYSTEM; ) by the work of the relay

I. BASIC OPERATION A. Varying the Reproduction Ratio The reproduction ratio across the photosensitive drum is varied by the lens drive system; on the other hand, the ratio around the drum is varied by the scanner drivesystem. The lens drive system uses a zoom lens; as shown in Figure 3-101, the posi...

Page 56 - B. Lens Motor Drive Circuit; Keeping the Lens Motor Stationary; retaining the motor stationary.; Driving the Lens Motor; Pulses are applied to each phase in sequence to rotate the motor.

B. Lens Motor Drive Circuit The lens motor (M3) is a stepping motor and rotates in response to drive power LNSC-A and LNSC-B and pulse signals LNSA, LNSA*, LNSB, and LNSB*. 1. Keeping the Lens Motor Stationary All LNSA, LNSA*, LNSB, and LNSB* are caused to go OFF, thereby stopping and retaining the ...

Page 58 - III. SCANNING DRIVE SYSTEM; A. Driving the Scanner; and the selected reproduction ratio.

III. SCANNING DRIVE SYSTEM A. Driving the Scanner 1. Outline The scanner drive system is driven by the scanner motor (M2). The scanner motor changes the direction of its rotation between when the scanner moves forward and whenit moves in reverse; the speed of its rotation varies according to the sel...

Page 59 - Relationship between the Scanner Sensor and Signals

2. Relationship between the Scanner Sensor and Signals Table 3-301 Reference: The registration clutch is turned on in response to a press on the Copy Start key orwhen the scanner starts to move forward. 3. Basic Sequence of Operations (scanner) Figure 3-302 COPYRIGHT © 1997 CANON INC. CANON NP6218 R...

Page 60 - Driving the Scanner Motor; or of power, thereby controlling the motor drive.

4. Driving the Scanner Motor a. Outline The scanner motor (M2) is a 4-phase control stepping motor. The direction and the speed of the scanner motor (M2) are switched by controlling the output timing of drivepower SC-COMA and SC-COMB and pulse signals A, A*, B, and B*. b. Mechanism The microprocesso...

Page 62 - IV. DISASSEMBLY AND ASSEMBLY; Disconnect the power plug before starting the work.; A. Scanner Drive Assembly; of the motor, and remove the two screws

IV. DISASSEMBLY AND ASSEMBLY This section explains mechanical characteristics and describes how to disassemble/assemble the machine. Be sure to observe the following whenever disassembling/assembling the machine: 1. Disconnect the power plug before starting the work. 2. Unless otherwise shown, assem...

Page 66 - Routing the Scanner Cable; routing the scanner cable.

4. Routing the Scanner Cable Keep the mirror positioning tool (FY9-3009) and pulley clip (FY9-3010) handy when routing the scanner cable. Further, if you are using the mirror positioning tool, assemble it in advance by referring to “3. Assembling the MIrror Positioning Tool.” Figure 3-409 COPYRIGHT ...

Page 70 - and dust-proof mirror cover

5) Attach the scanner cable fixing to the No. 1 mirror mount using two screws e (both front and rear). 6) Tighten the screw on the pulley.7) Detach the tool (FY9-3009). Figure 3-414 6. Cleaning the Scanner No. 6 Mirror1) Open the front cover.2) Open the copier by operating the copier open/close leve...

Page 71 - B. Lens Drive Assembly; mirror assembly 1 to the left.

B. Lens Drive Assembly 1. Detaching the Lens Drive Motor1) Detach the upper rear cover and right glass rerainer.2) Detach the copyboard glass.3) Move the No. q mirror assembly 1 to the left. 4) Remove the two screws w , and detach the lens cover e . Figure 3-416 5) Loosen the tension on the spring r...

Page 73 - ) Attach the lens cable to each pulley

Figure 3-420 2. Routing the Lens Cable Figure 3-421 Lens Drive Assembly 1) Attach the lens cable to each pulley q while winding it around the lens pulley w as indicated in Figure 3-421. 2) Move the tension pulley e to hook the cable. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED I...

Page 74 - Adjusting the Position of the Change Solenoid

3. Adjusting the Position of the Change Solenoid Make adjustments by loosening the two screws t so that the gear r is moved fully in the direction of b by the arm e when the steel core q of the solenoid is fully pushed in the direction of B by a finger, i.e., when the E-ring w comes into contact wit...

Page 77 - whose main functions are as follows:; Composite Power Supply PCB

I. PROCESSES A. Outline Figure 4-101 shows the basic construction of the copier’s image formation system, whose main functions are as follows: • scanning lamp control• primary charging control• transfer charging control• separation static eliminator control• developing bias control• blank exposure l...

Page 80 - C. Controlling the Scanning Lamp

C. Controlling the Scanning Lamp 1. Outline Figure 4-104 shows the circuit that controls the scanning lamp; the circuit has the following functions: • turns on and off the scanning lamp.• controls scanning lamp pre-heating operation.• controls scanning lamp intensity.• controls the scanning lamp hea...

Page 81 - Turning On and Off the Scanning Lamp

2. Turning On and Off the Scanning Lamp The microprocessor (Q301) on the DC controller PCB exerts control so that the microprocessor (Q512) on the composite power supply PCB generates the scanninglamp ON signal (FLON)=0 (pulse signal, 1 kHz). At the time, the fluorescent lamp drivecircuit applies th...

Page 82 - Filament voltage

■ Input Signals from the DC Controller to the Composite Power Supply PCB *ON duty ratio of FLOW signal (in relation to 1kHz): 40% or more ................................ON Iless than 40% ..............................ON II Table 4-101 ■ Half Pre-Heating Control (between press on Power switch and pr...

Page 84 - Changes in the Duty Ratio of the FLON signal; Controlling the Fluorescent Lamp Heater

■ Input to the Reversal Amplifier Circuit (if the intensity increased gradually) Figure 4-109 ■ Changes in the Duty Ratio of the FLON signal Figure 4-110 6. Controlling the Fluorescent Lamp Heater As the temperature around the scanner increases, the resistance of the fluorescent lamp thermistor (TH3...

Page 85 - Fluorescent Lamp Automatic

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE FORMATION SYSTEM 4-9 7. Fluorescent Lamp Automatic Correction Control (ALVC control)The copier executes control (ALVC control) that automatically corrects the scanning lamp on voltage to make...

Page 86 - D. Controlling the Primary Charging Roller Bias; charging roller the circuit has the following functions:

D. Controlling the Primary Charging Roller Bias 1. Outline Figure 4-111 shows the circuit that controls the voltage applied to the primary charging roller; the circuit has the following functions: • turns on and off the primary charging roller bias.• controls the primary charging roller bias to a co...

Page 87 - Turning On and Off the Primary Charging Roller Bias

2. Turning On and Off the Primary Charging Roller Bias The microprocessor (Q512) on the composite power supply PCB generates the PDCPWN signal (pulse signal) under the control of the microprocessor master (Q301)on the DC controller PCB. In response to the signal, the secondary side of the maintransf...

Page 88 - Scanning Lamp On Voltage Level Automatic Correction; in turn, may be attributed to the following factors:

5. Application Voltage Level (APVC) for the Primary Charging Roller and Scanning Lamp On Voltage Level Automatic Correction Changes in the static latent image could cause the quality of copies; such changes, in turn, may be attributed to the following factors: • changes in the drum sensitivity• chan...

Page 89 - E. Controlling the Transfer Roller Bias; descriptions for the function and output timing of each.

E. Controlling the Transfer Roller Bias 1. Outline The copier uses a direct transfer method by a roller to transfer images to paper. For this reason, its bias control differs from that of conventional copiers, which transferimages by corona charging. The following three types of transfer roller bias...

Page 90 - circuit has the following functions:

Figure 4-113 shows the circuit used to control the foregoing three types of bias; the circuit has the following functions: • turns on and off the transfer roller bias• controls the transfer bias to a constant voltage• controls the correction of the transfer bias voltage level Figure 4-113 COPYRIGHT ...

Page 91 - Turning On and Off the Transfer Roller Bias; transfer roller bias.; Controlling the Transfer Bias to a Constant Voltage

2. Turning On and Off the Transfer Roller Bias The TFWON signal is generated under the control of the microprocessor (Q512) on the composite power supply PCB. The signal causes the secondary side of the transfertransformer (T402) to turn on, thereby applying a DC bias to the transfer roller. Table 4...

Page 92 - F. Controlling the Static Eliminator Bias

F. Controlling the Static Eliminator Bias 1. Outline Figure 4-114 shows the circuit that controls the static eliminator bias; the circuit has the following functions: • turns on and off the static eliminator bias and controls the voltage to a constant level • switches the static eliminator bias volt...

Page 94 - G. Controlling Blank Exposure

G. Controlling Blank Exposure 1. Outline The copier uses the reflecting plate to direct the light of the pre-exposure lamp to the photosensitive drum by way of executing blank exposure, thereby blanking (whiting) outthe non-image areas and areas between copies. The area of blank exposure is controll...

Page 96 - H. Controlling the Primary Corona Roller Cleaning Mechanism; Primary Charging Roller Cleaning Operation

H. Controlling the Primary Corona Roller Cleaning Mechanism 1. Outline The copier’s primary charging roller is equipped with an automatic cleaning mechanism. The automatic cleaning mechanism cleans the primary charging roller during initial rotation(INTR) after having made 250 or more copies, i.e., ...

Page 97 - I. Releasing the Transfer Roller; the roller under the following condition:

I. Releasing the Transfer Roller 1. Outline The copier’s transfer roller is equipped with a releasing mechanism.The releasing mechanism releases the transfer roller to prevent adhesion of toner to the roller under the following condition: • during post rotation (LSTR) after as many as 50 copies or m...

Page 98 - stirring blade are rotated by the drive of the main motor (M1).

II. DEVELOPING ASSEMBLY AND CLEANING ASSEMBLY A. Outline The copier’s photosensitive drum, developing cylinder, No. 1 stirring rod, and No. 2 stirring blade are rotated by the drive of the main motor (M1). The level of the toner inside the developing assembly is monitored by the toner sensor; when i...

Page 99 - B. Controlling the Toner Level Detection; reference signal are compared to find out the level of toner.

B. Controlling the Toner Level Detection The level of toner inside the cartridge is monitored by the antenna sensor circuit.The toner level sensor is found inside the cartridge, and an AC bias is applied to the developing cylinder. The developing cylinder and the toner level sensor are connected by ...

Page 101 - C. Controlling the Development Bias; the Voltage to a Constant Level

C. Controlling the Development Bias 1. Outline Figure 4-204 shows the circuit used to control the development bias; the circuit has the following functions: • turns on and off the AC component of the development bias• turns on and off the DC component of the development bias• controls the voltage le...

Page 102 - Turning On and Off the AC Component of the Development Bias; • application frequency

3. Turning On and Off the AC Component of the Development Bias The microprocessor (Q512) on the composite power supply PCB generates the ACBIAS signal (pulse signal) under the control of the microprocessor master (Q301) onthe DC controller PCB. In response to the signal, the development bias AC comp...

Page 103 - D. Automatic Control of Copy Density; fogging when copies are made of a newspaper or a Test Sheet.

D. Automatic Control of Copy Density 1. Outline The copier has an automatic density adjustment mechanism (AE), which automatically controls the DC component of the development bias according to thedensity of originals. As long as the original is more or less uniform in density, the AEmechanism varie...

Page 105 - Item; Description

3. AE Adjustment The copier’s AE adjustment is executed in service mode and consists of the following three types: • lamp intensity automatic adjustment (No. 301) during AE scans• copy density (development bias) standard adjustment (No. 302) during AE mode• copy density (development bias) slope adju...

Page 106 - III. DISASSEMBLY AND ASSEMBLY; A. Illumination Assembly

III. DISASSEMBLY AND ASSEMBLY This section explains mechanical characteristics and describes how to disassemble/assemble the machine. Be sure to observe the following when disassembling/assembling the machine: 1. Disconnect the power plug before starting the work. 2. Unless otherwise shown, assemble...

Page 113 - Positioning the Blank Shutter Solenoid; After adjustments, make sure that the solenoid moves smoothly.

6. Positioning the Blank Shutter Solenoid Adjust the position of the solenoid so that the bottom A is 7.7 ±0.5 mm on both sides of the shutter when the solenoid is moved in the direction of activation. When takingmeasurements, do not push down the shutter. After adjustments, make sure that the solen...

Page 114 - Routing the Blanking Cable

7. Routing the Blanking Cable Figure 4-315 8. Positioning the Left/Right Margin Turn the blanking shutter adjusting screw on the copier’s front side plate shown in Figure 4-316 so that the standards are met. q clockwise turn moves the margin to the front. w counterclockwise turn moves the margin to ...

Page 117 - C. Primary Corona Assembly; of the top of the drum unit in the direction of the arrow.

C. Primary Corona Assembly 1. Detaching the Primary Corona Assembly1) Detach the drum unit.2) Slide the lock q of the top of the drum unit in the direction of the arrow. Figure 4-319 3) Detach the primary corona assembly unit w together with the holder while rotating it in the direction of the arrow...

Page 119 - Positioning the Solenoid for the Primary Charging Roller; in place

3. Positioning the Solenoid for the Primary Charging Roller Make adjustments by loosening the two screws used to fix the solenoid e in place and moving the solenoid e into the direction of arrow B so that r in Figure 4-323 is 4.0 ±0.2 mm when the joint q is butted against point a of the solenoid sup...

Page 120 - D. Transfer Charging Assembly; , and lift the transfer roller

D. Transfer Charging Assembly 1. Detaching the Transfer Roller1) Open the front door.2) Open the copier’s top body.3) Detach the static eliminator.4) Detach the bushing q , and lift the transfer roller w to detach. Figure 4-324 Caution:Do not touch the surface of the roller.Do not soil the surface o...

Page 122 - ) Connect the connector

9) Connect the connector y as shown in Figure 4-328. Figure 4-328 Caution:Make sure that the spring at the rear is securely in the groove when attaching thetransfer guide to the copier after attaching the drum heater. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME...

Page 127 - ) Remove the side seal

8) Remove the side seal !5 . (both sides) Figure 4-337 Figure 4-338 4. Installing the Side Seal and the Blade Assembly1) Clean the area where the side seal will be installed with alcohol.2) Attach the side seal as indicated in Figure 4-339. Figure 4-339 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. ...

Page 128 - and secure it with the screw.

3) Check that the side seal and the container are in firm contact.4) Push the developing blade unit attachment section all the way against the upper side and secure it with the screw. Figure 4-340 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 ...

Page 129 - CHAPTER 5

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM I. PICK-UP/FEEDING SYSTEM ............5-1 A. Outline ...........................................5-1 II. PICK-UP OPERATION (COPIER) ......5-3A. Outline ..........................

Page 137 - B. Identifying the Size of Paper on the Multifeeder; activation of the registration roller, and high voltage.

B. Identifying the Size of Paper on the Multifeeder The width of copy paper is identified by a variable resistor (VR1) which operates in response to the location of the slide guide, which is adjusted by the user to suit the sizeof paper. The identified width of copy paper is used for blank exposure ...

Page 139 - V. IDENTIFYING THE CASSETTE SIZE

V. IDENTIFYING THE CASSETTE SIZE When a cassette is set in the cassette holder, appropriate photointerrupters (Q651, Q652, Q653, Q654) turn on or off. The microprocessor on the DC controller PCB identifies the presence/absence of a cassette based on the combinations of the photointerrupters which ar...

Page 141 - Figure 5-601 Pre-Registration Delay Jam Sequence

VI. IDENTIFYING JAMS As many as six (3 in the cassette feeding unit) are used to monitor the movement of copy paper: • registration sensor (PS6)• separation sensor (PS7)• delivery sensor (PS8)A jam is identified in terms of the presence/absence of paper at the respective sensors at such times as sto...

Page 143 - D. Separation Delay Jam; Figure 5-604 Separation Delay Jam Sequence; E. Separation Stationary Jam; Figure 5-605 Separation Stationary Jam Sequence

D. Separation Delay Jam Copy paper does not reach the separation sensor (PS7) within a specific period of time after the registration clutch (CL1) has gone on because of feeding problems. Figure 5-604 Separation Delay Jam Sequence E. Separation Stationary Jam Copy paper does not move past the separa...

Page 144 - F. Delivery Delay Jam; Figure 5-606 Delivery Delay Jam Sequence; G. Delivery Stationary Jam; Figure 5-607 Delivery Stationary Jam Sequence

F. Delivery Delay Jam Copy paper does not reach the delivery sensor (PS8) within a specific period of time after it has moved past the separation sensor (PS7) because of feeding problems. Figure 5-606 Delivery Delay Jam Sequence G. Delivery Stationary Jam Copy paper does not move past the delivery s...

Page 145 - VII. DISASSEMBLY AND ASSEMBLY

VII. DISASSEMBLY AND ASSEMBLY This section explains mechanical characteristics and describes how to disassemble/assemble the machine. Be sure to observe the following whenever disassembling/assembling the machine: 1. Disconnect the power plug before starting the work. 2. Unless otherwise shown, asse...

Page 148 - together

Figure 5-706 Caution:Check that the paper registration sensor (PS 6) is properly seated after thisprocedure is completed. 2. Detaching the Pick-Up Roller1) Detach the pick-up roller unit. (See “1. Detaching the Pick-Up Roller Unit” on p. 5- 14.) 2) Remove the E-ring q and the E-ring w ; then, pull o...

Page 149 - Points to Note When Attaching the Pick-Up Roller; When attaching the pick-up roller

3. Points to Note When Attaching the Pick-Up Roller When attaching the pick-up roller q , attach it so that the side w shown in Figure 5- 708 is toward the rear. Figure 5-708 4. Detaching the Pick-Up Clutch1) Detach the main motor unit. (See “1. Detaching the Main Motor Unit” on p. 7-11.)2) Remove t...

Page 152 - B. Multifeeder Assembly; , and shift the multifeeder assembly

B. Multifeeder Assembly 1. Detaching the Multifeeder Assembly1) Open the right door.2) Remove the two screws q , and shift the multifeeder assembly w toward the front to detach. Figure 5-715 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-U...

Page 158 - Positioning the Multifeeder Assembly (paper guide plate cam)

8. Positioning the Multifeeder Assembly (paper guide plate cam) Temporarily fix the screw equipped with a hex nut on the spring clutch assembly, and rotate the control ring. Make adjustments so that the hole in the cam and the hole in themultifeeder drive unit match as shown in Figure 5-725 when the...

Page 159 - loosen the screw

9. Adjusting the Left/Right Registration If the right/left registration is not correct when copies are made using the multifeeder, loosen the screw q , and adjust the position of the tray. Figure 5-726 10. Points to Note When Attaching the Multifeeder Assembly Rack Plate Attach the rack plate of the...

Page 160 - C. Registration Roller Assembly; , and disconnect the connector

C. Registration Roller Assembly 1. Detaching the Registration Clutch1) Detach the connector cover or the lattice connector2) Remove the clip ring q , and disconnect the connector w ; then, detach the registration clutch e . Figure 5-727 2. Detaching the Upper Registration Roller1) Detach the registr...

Page 161 - ) Lift the upper registration roller

Figure 5-729 Caution:Take care not to misplace the springs (front, rear). 3) Lift the upper registration roller e to detach. Figure 5-730 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM 5-32

Page 165 - E. Cassette Feeding Module; of the cassette feeding module.

E. Cassette Feeding Module 1. Detaching the Copier from the Cassette Feeding Module1) Disconnect the copier’s power plug.2) Disconnect the connector q of the cassette feeding module. Figure 5-737 3) Hold the copier’s grips, and detach the copier from the cassette feeding module. 2. Detaching/Attachi...

Page 169 - B. Controlling the Fixing Heater Temperature

B. Controlling the Fixing Heater Temperature The fixing heater remains off while the copier is in standby state. To prevent fixing faults caused by low temperature, its temperature is controlled in any of the followingthree modes depending on the temperature at the time copying is started (as measur...

Page 171 - C. Controlling the Supply Power for the Fixing Heater; to the fixing heater.

C. Controlling the Supply Power for the Fixing Heater The temperature of the fixing heater is controlled by controlling the power supplied to the fixing heater. The resistance of the plane-shaped heater used as the fixing heater may show some variation depending on which production lot it comes from...

Page 172 - D. Detecting Overheating at the End of the Fixing Heater; area where paper (smaller than B4) does not come into contact.; E. Protection Mechanism; of the fixing heater:; Heater ON Detection Circuit

D. Detecting Overheating at the End of the Fixing Heater A sub thermistor (TH2) is provided at the end (rear) of the copier’s fixing heater to monitor overheating. This consideration to prevent damage to the fixing film caused by overheating of the area where paper (smaller than B4) does not come in...

Page 173 - F. Correcting Displacement of the Fixing Film

F. Correcting Displacement of the Fixing Film 1. Outline The fixing film at times becomes displaced toward the front or rear as it keeps turning. To correct such displacement, the copier is equipped with a correctionmechanism. The control is executed by the fixing film sensor (PS9), which detects th...

Page 176 - Controlling the Fixing Film Motor

2. Controlling the Fixing Film Motor The fixing film motor is a stepping motor, and is rotated by the drive signal FMD and pulse signals FFA, FFA*, FFB, and FFB*. When FMD is ‘1’, the drive voltage FFCA and FFBC are imposed; the motor starts to rotate when pulses are applied to each phase in specifi...

Page 177 - II. DISASSEMBLY AND ASSEMBLY; q w e r

II. DISASSEMBLY AND ASSEMBLY This section explains mechanical characteristics and describes how to disassemble/assemble the machine. Be sure to observe the following whenever disassemblig/assembling the machine: 1. Disconnect the power plug before starting the work. 2. Unless otherwise shown, assemb...

Page 178 - Detaching the Upper Fixing Unit; , and detach the fixing assembly cover

2. Detaching the Upper Fixing Unit 1) Open the copier’s front cover.2) Open the copier’s top body.3) Remove the two screws q , and detach the fixing assembly cover w . Figure 6-202 4) Disconnect the four connectors e , and remove the screw r . Figure 6-203 COPYRIGHT © 1997 CANON INC. CANON NP6218 RE...

Page 179 - and Fixing Heater Unit

5) Open the fixing shutter t , and put the screw removed in step 4) into the hole y in the front side plate. Figure 6-204 6) Pull out the upper fixing unit toward the rear. Caution:Do not touch the fixing film. 3. Detaching the Fixing Film, Tension Roller, Drive Roller, Fixing Cleaning Brush, and Fi...

Page 180 - and the two washers; er

Figure 6-205 3) Remove the two E-rings e and the two washers r . 4) Remove the screw t . Figure 6-206 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 FIXING SYSTEM 6-14 q w er t

Page 186 - free of pressure be careful not to tighten the screw excessively.

4. Points to Note When Attaching the Fixing Film • Make sure that the cut off is toward the rear.• Make sure that the front side is aligned with the groove of the heater. Figure 6-218 5. Points to Note When Attaching the Heater Connector • When attaching the heater connector to the fixing heater, ta...

Page 187 - • The copier enters service mode, and the display indicates ‘1’.

6. Points to Note When Replacing the Fixing Upper Unit • If you have replaced the upper fixing unit, you must store the resistance of the heater in service mode (No. 304; see p. 10-31.) Caution:Do not touch the surface of the heater. 7. Adjusting the Fixing Film Drive Roller Pressure If a fixing fau...

Page 189 - Detaching the Lower Fixing Unit; , and detach the fixing shutter open/close block

8. Detaching the Lower Fixing Unit 1) Detach the delivery roller. (See “1. Detaching the Delivery Roller.” on p. 6-28.)2) Detach the delivery cover.3) Remove the screw q , and detach the fixing shutter open/close block w . Figure 6-222 4) Remove the E-ring e , and detach the lower fixing unit r . Fi...

Page 191 - Adjusting the Lower Fixing Roller Nip

5) Detach the bushing y found at the front, and detach the HIGH-TEMPERATURE WARNING cover u . Figure 6-226 6) Lift the fixing cleaning roller to detach. 10. Adjusting the Lower Fixing Roller Nip If fixing faults occur, make the following adjustments.The nip is correct if as shown below; otherwise, t...

Page 193 - ) Shift the bushing

B. Delivery Assembly 1. Detaching the Delivery Roller1) Open the copier’s top body.2) Remove the E-ring q . 3) Shift the bushing w (rear) and bushing e (front); then, detach the delivery roller r . Figure 6-228 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAP...

Page 197 - B. Power Supply Circuit Assembly; The tolerances for the DC voltage are as follows:

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-2 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS B. Power Supply Circuit Assembly The copier’s power supply assembly is a composite power supply circuit which uses a single main transformer (T101) as the source ...

Page 199 - C. Detecting Errors in the Power Supply PCB; Supply PCB

C. Detecting Errors in the Power Supply PCB The microprocessor (Q512) on the composite power supply PCB either displays an error message on the display by communicating with the DC controller or flashesLED501 to indicate the presence of an error if any of the following is identified. 1. Communicatio...

Page 200 - D. Protection Mechanisms for the Power Supply Circuit

CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS D. Protection Mechanisms for the Power Supply Circuit The composite power supply PCB is equipped with an overcurrent detection circuit; if a short circuit occurs in a load for some reason, the protection mechanism is activatedto stop the output. When the outp...

Page 204 - Detaching the Control Panel; , and detach the inside cover

B. Control Panel 1. Detaching the Control Panel 1) Detach the copyboard glass.2) Detach the upper left cover.3) Open the front door.4) Pull the copier’s open/close lever to open the copier.5) Detach the upper rear cover.6) Detach the right cover.7) Detach the left cover.8) Remove the five screws q ,...

Page 205 - Detaching the Exhaust Fan; at the copier’s rear, and remove the two screws

C. Fans 1. Detaching the Exhaust Fan 1) Open the front door.2) Pull the copier’s open/close lever to open the copier.3) Detach the DC controller PCB. (See “1. Detaching the DC Controller PCB” on p. 7-17.)4) Remove the screw q at the copier’s rear, and remove the two screws w at the front. Figure 7-2...

Page 206 - Detaching the Main Motor Unit; , and remove the three screws; Detaching the Main Drive Assembly

D. Main Motor/Main Drive Assembly 1. Detaching the Main Motor Unit 1) Detach the rear cover.2) Disconnect the two connectors q , and remove the three screws w ; then, detach the main motor unit e . Figure 7-212 2. Detaching the Main Drive Assembly 1) Open the front door.2) Pull out the drum cartridg...

Page 208 - and clip ring; Routing the Drive Belt

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-13 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 10) Remove the E-ring !0 and clip ring !1 ; then, detach the bushing !2 . In this condition, detach the gear and pulley !3 from the main drive assembly. Figure 7...

Page 209 - , and detach the harness guide

E. Cassette unit 1. Detaching the Pick-Up Drive Unit 1) Detach the rear cover and right cover.2) Remove the screw q . Figure 7-219 3) Remove the screw w , and detach the harness guide e . Figure 7-220 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-14 C...

Page 210 - Detaching the Cassette Motor

4) Remove the four screws r , and disconnect the two connectors t ; then, detach the pick-up drive unit y . Figure 7-221 2. Detaching the Cassette Motor 1) Detach the rear cover.2) Remove the two screws q , and disconnect the connector w (J114); then, detach the motor e . Figure 7-222 COPYRIGHT © 19...

Page 211 - Detaching the Cassette Driver PCB; ) Remove the three screws

3. Detaching the Cassette Driver PCB 1) Detach the rear cover.2) Disconnect all connectors from the cassette driver PCB q . 3) Remove the three screws w , and detach the driver PCB q . Figure 7-223 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-16 CHAP...

Page 212 - Detaching the DC Controller PCB; , and detach the DC controller PCB together with its; Points to Note When Replacing the DC Controller PCB; enter the value recorded on the service label

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-17 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS F. DC Controller PCB 1. Detaching the DC Controller PCB 1) Disconnect the connector of the DC controller.2) Remove the four screws q , and detach the DC controll...

Page 213 - G. Composite Power Supply PCB

G. Composite Power Supply PCB 1. Detaching the Composite Power Supply PCB1) Detach the lower rear cover and the delivery cover.2) Remove the screw q , and detach the switch support plate w . 3) Remove the screw e , and detach the power cord cover 1 r . Figure 7-225 4) Remove the screw t , and shift ...

Page 215 - Points to Note When Handling the Composite Power Supply PCB

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-20 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 2. Points to Note When Handling the Composite Power Supply PCB • Some capacitors used on the PCB may retain charges even when the copier remains off. For this re...

Page 216 - Points to Note When Replacing the AE Sensor; I. Intensity Sensor PCB; Points to Note When Replacing the Intensity Sensor; Adjust the intensity of the scanning lamp and

H. AE Sensor PCB 1. Points to Note When Replacing the AE Sensor • After replacement, perform the following; see p. 10-11: q Adjust AE. I. Intensity Sensor PCB 1. Points to Note When Replacing the Intensity Sensor • After replacement, perform the following; see p. 10-11: q Adjust the intensity of the...

Page 219 - I. SELECTING THE SITE

CHAPTER 8 INSTALLATION COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-1 I. SELECTING THE SITE Keep the following in mind when selecting the site of installation; if possible, pay a visit to the user’s before the delivery of the machine.1. The site must...

Page 220 - II. UNPACKING AND INSTALLING THE COPIER; A. Unpacking and Removing Fixings; Work

II. UNPACKING AND INSTALLING THE COPIER When a metal part is brought in from a cold to warm environment, droplets of water can develop on the surface of the part. This phenomenon is called condensation, andcondensation in a copier can lead to faulty images. If the copier has been moved from acold to...

Page 223 - B. Turning On the Copier

B. Turning On the Copier Step 1 2 3 4 5 6 7 8 CHAPTER 8 INSTALLATION COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-5 Work Connect the power plug to thepower outlet. Turn on the power switch. Turn off the power switch. Supply toner according to theinst...

Page 225 - Remarks

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-7 CHAPTER 8 INSTALLATION Remarks The copier automatically sets the APVC value; itstops in about 23 sec. See “E. Changing the Size.” • Make sure that the Add Paper message turns off.• Make sure that the pap...

Page 226 - C. Checking the Images and Operations

C. Checking the Images and Operations COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-8 CHAPTER 8 INSTALLATION Work Place the Test Sheet on thecopyboard, and check thecopies. Make copies in manual mode. Make sure that the externalcovers are free from sc...

Page 227 - D. Attaching the Drum Unit

D. Attaching the Drum Unit COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-9 CHAPTER 8 INSTALLATION Work Unpack the drum unit, andremove the light-blockingsheet. Remove the primary chargingroller releasing spacer. Set the drum unit to the copier,and fix...

Page 228 - E. Changing the Cassette Size; Change the cassette size to suit the user’s needs.

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-10 CHAPTER 8 INSTALLATION E. Changing the Cassette Size Change the cassette size to suit the user’s needs. 1) Slide the cassette out of the copier.2) Move the length plate inside the cassette to suit the l...

Page 230 - Do not dry wipe or use solvent to clean the drum.

6) Set the paper size plates selected in step 4). Figure 8-205 Caution:If you are setting the plate for the position representing the universal (u) cassette,you must perform the work described for “universal cassette paper size setting(505); see p. 10-44. ■ Points to Note When Handling the Photosens...

Page 231 - III. RELOCATING THE COPIER; perform the following work:

III. RELOCATING THE COPIER If you must relocate the copier by truck or using other means of transportation, perform the following work: COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-13 CHAPTER 8 INSTALLATION Work Move the lens to the Directposition. T...

Page 232 - IV. REPLACING THE DRUM UNIT; Go through the following when replacing the drum unit:

IV. REPLACING THE DRUM UNIT Go through the following when replacing the drum unit: COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-14 CHAPTER 8 INSTALLATION Work Turn off the copier, and openthe front door and the copier’stop unit. Release the developin...

Page 235 - V. INSTALLING THE CONTROL CARD IV N

V. INSTALLING THE CONTROL CARD IV N Caution:Be sure to disconnect the copier’s power plug before starting the installation work. 1) Open the front cover2) Open the copier’s top body by operating its open/close lever.3) Detach the front cover.4) Take out the cartridge.5) Detach the inside cover.6) Lo...

Page 239 - plate 2 in place to the front side plate with two screws (white M3

4) Insert the bend found at the rear of the heater into the heater mounting slit in the rear side plate of the cassette feeding unit/pedestal (bottom holder). Figure 8-603 5) Open the cover on the front of the cassette feeding unit/module, and fix the mounting plate 2 in place to the front side plat...

Page 241 - • Cassette Feeding Module-B2

• Cassette Feeding Module-B2 Figure 8-607 9) Lead the other connector on the relay harness through the copier’s bottom plate as shown. Figure 8-608 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 8-23 CHAPTER 8 INSTALLATION Cord clamp Copier's connector M...

Page 242 - • Cassette Feeding Module-A2

10) Connect the connector on the relay harness with the copier’s connector. Figure 8-609 11) Fix the relay harness in place to the rear side plate with the cord clamp. • Cassette Feeding Module-A2 Figure 8-610 Caution:Make sure that the relay harness is outside the area indicated by dashed lines top...

Page 245 - B. Installation to the Copier; ) Remove the two screws

B. Installation to the Copier Caution:This model may not be available for sale in some areas. Caution:Keep the following in mind when installing the RDD to the copier: 1. This Accessory is to be installed by a qualified personal.2. Make sure the copier has been properly installed before starting the...

Page 258 - I. PERIODICALLY REPLACED PARTS; Plan the replacement to coincide with a scheduled visit.; A. Periodically Replaced Parts; Parts name

I. PERIODICALLY REPLACED PARTS Some parts of the copier must be replaced on a periodical basis to ensure a specific level of performance; replace them as indicated regardless of the presence of visibledamage. Plan the replacement to coincide with a scheduled visit. A. Periodically Replaced Parts Not...

Page 261 - III. PERIODICAL SERVICING

III. PERIODICAL SERVICING The copier does not have items that require periodical servicing; however, it is recommended that the following work items be performed during any visit to the user’s. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-4 CHAPTER 9...

Page 264 - TROUBLESHOOTING

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING I. MAINTENANCE AND INSPECTION..10-3A. Image Adjustment Basic Procedure ....................................10-3 B. Periodical Servicing .....................10-4 II. STANDARDS AND ...

Page 265 - Guide to Troubleshooting Tables

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-1 The troubleshooting procedures in this manual are prepared in the form of tables, rather than flow charts. Study the following for an idea of how to consult the tables. EX. AC power is absent. ■ To find...

Page 267 - I MAINTENANCE AND INSPECTION; A. Image Adjustment Basic Procedure

Page 268 - B. Periodical Servicing

Page 269 - II. STANDARDS AND ADJUSTMENTS; The copy count indicator flashes ‘No. 305’.

II. STANDARDS AND ADJUSTMENTS A. Image Adjustment 1. Adjusting the Image Leading Edge Margin ([3], No. 305; registration ON timing) Activate [3] in service mode, and select ‘No. 305’ (leading edge margin adjustment), and make adjustments so that the image position is as indicated in Figure 10-201 wh...

Page 274 - Adjusting the Scanning Lamp Intensity; Without this adjustment, exposure value becomes invalid.

Figure 10-209 Caution:After the adjustments (both a and b), turn on and off the power switch or changethe reproduction ratio so that the blank exposure assembly performs homepositioning. 6. Adjusting the Scanning Lamp Intensity Turn VR301 on the DC controller as follows whenever you have replaced th...

Page 279 - Routing the Scanner Drive Cable; Route the cable as shown by

B. Exposure System 1. Routing the Scanner Drive Cable Route the cable as shown by q through !0 ; then, adjust the cable tension and mirror position as described. Figure 10-211 Caution:When attaching the wire spring, pay attention to the orientation of the spring; seethe diagrams below. If not attach...

Page 281 - Adjusting the Scanner Cable Tension; Move the tension plate and tighten the screw; Assembling the Mirror Positioning Tool; Remove the screw found in position B.

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10-17 6) Tighten the screw on the pulley.7) Detach the positioning tool (FY9-3009). 3. Adjusting the Scanner Cable Tension Move the tension plate and tighten the screw w so that th...

Page 282 - Attach the heater to the lamp as follows:

4) Tighten the screw. Figure 10-218 5. Points to Note When Attaching the Fluorescent Lamp Heater/Scanning Lamp • Attach the heater to the lamp as follows: Figure 10-219 Caution:Do not touch the fluorescent lamp. (Use lint-free paper.)Do not block the light-emitting portion by the fluorescent lamp he...

Page 283 - when viewed from the front of the copier as shown in Figure 10-220.

Attach the scanning lamp so that its light-emitting portion (open side) is to the left when viewed from the front of the copier as shown in Figure 10-220. Figure 10-220 (front view) Caution:Do not touch the fluorescent lamp. (Use rint-free paper)Be sure to adjust the gain and AE whenever you have re...

Page 284 - Positioning the Change Solenoid

6. Positioning the Change Solenoid Make adjustments by loosening the two screws t so that the gear r butts against the direction of b by the arm e when the steel core q of the solenoid is fully pushed in the direction of B, i.e., when the E-ring comes into contact with the solenoid. Figure 10-222 10...

Page 285 - C. Image Formation System; Positioning the Blank Shutter Solenoid

C. Image Formation System 1. Positioning the Blank Shutter Solenoid Adjust the position of the blank shutter solenoid so that the bottom A is 9.5 ±0.5 mm on both sides when the solenoid is moved in the direction of ON; try not to force downthe shutter. After adjustments, make sure that the solenoid ...

Page 286 - Loosen the two screws used to fix the solenoid

2. Routing the Blank Shutter Cable Figure 10-224 3. Positioning the Solenoid for the Primary Charging Roller Loosen the two screws used to fix the solenoid e in place, and move the solenoid in the direction of B so that the R in Figure 10-225 is 5.5 ±0.2 mm when the joint q is butted against a of th...

Page 287 - After Replacing the Drum Unit; , and detach the harness cover

4. After Replacing the Drum Unit Whenever you have replaced the drum unit, enter the date of replacement and the current counter reading on the label (Figure 10-226) that came with the drum unit; attachthe label to the front cover of the new drum unit, and perform the image basic adjustmentprocedure...

Page 289 - Orientation of the Multifeeder Pick-Up Roller; Attach the multifeeder pick-up roller

D. Pick-Up/Feeding System 1. Orientation of the Pick-Up Roller Attach the pick-up roll q so that the side w shown in Figure 10-231 is toward the rear. Figure 10-231 2. Orientation of the Multifeeder Pick-Up Roller Attach the multifeeder pick-up roller q so that the side with the collar with a cross ...

Page 292 - Adjusting the Fixing Film Drive Roller Pressure; The copier enters service mode, and the display indicates ‘1’.

3. Adjusting the Fixing Film Drive Roller Pressure If a fixing fault occurs, be sure to go through the following to adjust the pressure of the drive roller.1) Detach the fixing cover.2) Detach the inside cover of the copier’s front side.3) Close the copier’s upper body, and insert the door switch ac...

Page 293 - Points to Note after Replacing the Fixing Upper Unit

If the copy countis ‘180’ or higher and ‘348’ or lower and has not changed, go to step 17). Or, if 10’s and 100’s do not change, go to step 17);14) Loosen the fixing screw w slightly; i.e., move it to the left about 1 mm. 15) Turn the adjusting screw e so that the copy count is ‘180’ or higher’ and ...

Page 295 - Routing the Drive Belt

10-31 CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 6. Routing the Drive Belt Route the drive belt around the pulley and tensioner as shown in Figure 10-239. Figure 10-239 7. Storing the Fixing Heater Resistance You must store...

Page 296 - the power supply and the resistance being stored.; Setting the Fixing Heater Temperature Control Value; -1 When Replacing the Fixing Upper Unit

Reference:1. If the measured resistance is 9.5 ohms, enter ‘095’; if 28 ohms, enter ‘280’.2. The power supplied to the fixing heater is phase-controlled based on the voltage of the power supply and the resistance being stored. 8. Setting the Fixing Heater Temperature Control Value You can change the...

Page 299 - After Replacing the PCB

F. Electrical 1. After Replacing the PCB You must make the adjustments that follow whenever you have replaced the following PCBs. a. DC Controller PCB 1) Enter the value recorded on the service mode label attached behind the front door in service mode (‘3’; see p. 10-102). 2) Adjust the multifeeder ...

Page 300 - Checking the Photointerrupters

7) Press the AE key. • The indication changes to ‘EE’. 8) Press the Start key. • The indication returns to ‘450’. 9) Turn off and on the power switch. • The copier clears the backup RAM, and returns the default settings. Reference: To cancel RAM clearing, press the Clear key and then the Reset key. ...

Page 303 - Cassette Feeding Unit

b. Cassette Feeding Unit 10-39 CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) Name Q654 Cassette sizesensor 4 (CSZ-4) + probe Service mode J314-11 No. 203 2-a Slide out thecassettewhile instandby, andmove thedetectionlever with...

Page 307 - Adjusting the Multifeeder Paper Width Sensor; The copier activates service mode, and indicates ‘1’.

4. Adjusting the Multifeeder Paper Width Sensor Store the characteristic of the multifeeder paper width sensor in service mode (501).Perform the adjustment when you have replaced the sensor if the sensor fails to identify the paper size correctly.1) Open the front door, and insert the door switch ac...

Page 308 - Setting the Paper Size for the Universal Cassette

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10-44 5. Setting the Paper Size for the Universal Cassette If the paper size lever for the cassette is at the universal cassette, set the appropriate paper size in service mode (50...

Page 309 - III. TROUBLESHOOTING IMAGE FAULTS; Checking the Originals; a solution of mild detergent or alcohol if scratched, replace them.; Checking the Paper

CHAPTER 10 TROUBLESHOOTING 10-45 III. TROUBLESHOOTING IMAGE FAULTS A. Initial Checks 1. Site Environment a. Make sure that the power supply is as specified (±10%).b. Avoid high temperature/humidity conditions; near water faucets, water boilers, and humidifiers. Avoid areas subject to excessively low...

Page 312 - B. SAMPLES OF IMAGE FAULTS; not available

Page 313 - C. Troubleshooting Faulty Images

C. Troubleshooting Faulty Images 1. The copy is too light (half-tone only). COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-49 CHAPTER 10 TROUBLESHOOTING Cause AE mechanism Developingassembly Scanner Drum cartridge Checks Perform the Basic ImageAdjustm...

Page 314 - Checks

2. The copy is too light (black solid also).3. The copy is too light (overall, extremely). COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-50 CHAPTER 10 TROUBLESHOOTING Checks Perform the Image BasicAdjustment Procedure. Is theproblem corrected? Turn o...

Page 315 - ransf

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-51 CHAPTER 10 TROUBLESHOOTING Checks Take out the developing assembly,and shake it. Is the problemcorrected? Is the reading in service mode(105; primary current) 10 µA orless? Cause Toner level,toner leve...

Page 322 - The leading edge of the copy is displaced.

14. The copy has a fixing fault. 15, 16, 17 The leading edge of the copy is displaced. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-58 CHAPTER 10 TROUBLESHOOTING Checks Is the problem noted vertically? Is the nip of the fixing assemblywithin specifi...

Page 327 - IV. TROUBLESHOOTING MALFUNCTIONS; A. Troubleshooting Malfunctions

IV. TROUBLESHOOTING MALFUNCTIONS A. Troubleshooting Malfunctions 1. E000 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-63 CHAPTER 10 TROUBLESHOOTING Checks Disconnect the connector (J4) ofthe fixing heater, and press thepower switch while holding dow...

Page 336 - The photosensitive drum fails to rotate.

18. The blank shutter fails to move. 19. The photosensitive drum fails to rotate. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-72 CHAPTER 10 TROUBLESHOOTING Checks Does the lens move? Is the drive of the lens motortransmitted to the gear of theblank...

Page 338 - The registration roller fails to rotate.

22. The scanner fails to move forward/in reverse. 23. The registration roller fails to rotate. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-74 CHAPTER 10 TROUBLESHOOTING Checks Is the cable for the scanner routedcorrectly? Is the scanner rail free o...

Page 340 - The add paper indicator fails to turn off.

26. The fixing heater fails to operate. 27. The pre-exposure lamp fails to turn on. 28. The add paper indicator fails to turn off. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-76 CHAPTER 10 TROUBLESHOOTING Checks Is E000 indicated? Replace the DC co...

Page 341 - 9 The jam message fails to turn off.

29 The jam message fails to turn off. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-77 CHAPTER 10 TROUBLESHOOTING Checks Identify which sensor hasdetected the jam in ‘No. 107’ ofservice mode (jam history). Ispaper found near the sensor? Is the sensor...

Page 342 - V. TROUBLESHOOTING FEEDING PROBLEMS; Jams tend to occur in the following locations of the copier:

V. TROUBLESHOOTING FEEDING PROBLEMS A. Jams (copy paper) Jams tend to occur in the following locations of the copier: q pick-up assembly w separation/feeding assembly e fixing/delivery assemblyThe descriptions that follow, therefore, are organized according to each of the above locations. When a jam...

Page 345 - Fixing assemb

B. Feeding Faults 1. Double feeding 2. Wrinkling COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-81 CHAPTER 10 TROUBLESHOOTING Cause Separation pad Spring Checks Is the separation pad deformed orworn? Step 1 Results YES NO Action Replace the separation...

Page 346 - VI ARRANGEMENT/FUNCTIONS OF THE

Page 349 - CL

10-85 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Table 10-602 Symbol Name Clutch Solenoid Push switch Switch Varistor Counter Ref. CL1CL2CL3 SL1SL2SL3SL4SL5 DS1 SW1SW2 ZD1ZD2 CNT1CNT2 Description registration clutchpick-up ...

Page 353 - Name

Table 10-604 10-89 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Ref. 123456789 10 Name Noise filterComposite power supplyDC controllerAE sensorIntensity sensorControl panelHigh-voltage connectorDevelopment bias connectorHeate...

Page 354 - E. Cassette Feeding Module – A2

10-90 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING E. Cassette Feeding Module – A2 Figure 10-605 PS1cu PS3cu PS2cu M1cu CL2cu CL1cu 1 PS4cu Q564-2 Q563-2 Q562-2 Q561-2 PS5cu Q564-3 Q563-3 Q562-3 Q561-3 Hcu

Page 355 - Photointerrupter

10-91 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Table 10-605 Symbol Name Photointerrupter Motor Clutch Heater Cassette driver Ref. PS1cuPS2cuPS3cuPS4cuPS5cuQ561-2Q562-2Q563-2Q564-2Q561-3Q562-3Q563-3Q564-3 M1cu CL1cuCL2cu H...

Page 357 - Composite power supply PCB

2. Composite power supply PCB Figure 10-607 10-93 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING J212 1 3 J209 J211 1 2 J9081 3 J202 2 1 J204 3 1 J9061 2 LED501 1 15 J213 1 2 J210 1 6 J206 1 2 J205 1 5

Page 358 - B. Using Service Mode

CHAPTER 10 TROUBLESHOOTING 10-94 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) Item [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] [ 6 ] Description control display mode I/O display mode adjustment mode operation/inspection mode specification mode counter mode VII. SERV...

Page 359 - Clearing Stored Error Code

CHAPTER 10 TROUBLESHOOTING 10-95 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 2. Selecting a Service Mode1) While the copy count indicator is indicating [1], press a key from [1] through [6] to select the appropriate mode. 2) Press the AE key. • The co...

Page 360 - Recording on the Service Mode Label

CHAPTER 10 TROUBLESHOOTING 10-96 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) No. 301302303304305306307308309310 311 312313314315316317318319320321322323324325326 AE_LIGHTAE_SHIFTAE_SLOPEHEATERREGISTLE_BLANKREGIST_RLE_BLANK_RTE_BLANKTE_BLANK_MFB_HOMEB_...

Page 362 - Jam

CHAPTER 10 TROUBLESHOOTING 10-98 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) LED (ON) 1-a 1-b 1-c 1-d 1-e 1-f 1-g 2-a 2-b 2-c 2-d 2-e Jam pre-registration delay jam pre-registration stationary jam separation delay jam separation stationary jam deliver...

Page 365 - No. 205 Port H Display

CHAPTER 10 TROUBLESHOOTING Table 10-13 No. 205 Port H Display Table 10-14 10-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) No. 204 Description Right door open/closedsensor (PS10) Separation sensor (PS7) Cassette paper sensor(PS4) Multifeeder paper s...

Page 366 - A press on the Start key executes the respective operation.

CHAPTER 10 TROUBLESHOOTING E. Adjustment Mode [3] • To activate adjustment mode, press [3] on the keypad and then the AE key. • To select an item, press the appropriate key on the keypad and then the Start key. • To change the setting, press the appropriate keys on the keypad and then the AE key. • ...

Page 369 - To execute the mode, press the Start key.

CHAPTER 10 TROUBLESHOOTING F. Operation/Inspection Mode [4] • To activate operation/inspection mode, press [4] on the keypad and then the AE key. • To select an item, press the appropriate key on the keypad and then the Start key. • To execute the mode, press the Start key. • To stop the operation, ...

Page 372 - To obtain the actual count, multiply the indication by 100.

H. Counter Mode [6] • To activate the mode, press [6] on the keypad and then the AE key. • To select an item, press the appropriate key on the keypad and then the Start key. • To cancel an item, press the Clear key. • A press on the Start key executes the respective service operation. • To obtain th...

Page 374 - counter is installed.

Table 10-19-2 10-110 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Code Cause • Thermistor (TH1, TH2; displacement, poor contact,open circuit) • Fixing heater (H1; open circuit, crack) • Thermal fuse (FU1; malfunction) • Triac...

Page 377 - Code

B. Self Diagnosis (ADF) Table 10-20 Note:To reset the copier after activation of the self diagnosis mechanism, switch thecopier off and then on.You can still continue to make copies even when the ADF is out of order; simplyopen the ADF, and set the documents on the copyboard glass. 10-113 COPYRIGHT ...

Page 378 - Error Condition

10-114 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING C. Self Diagnosis (sorter) Table 10-21 Note:Some copiers use ‘E500’ to represent all the above errors. ■ Error Condition q The copier indicates the “TURN ON POWER” message. ...

Page 379 - need not disconnect the communication connector.

10-115 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Note:Even in down state, the sorter will run a self check and rest if the result is good ifyou have switched it off and then on without detaching it from the copier. * Simpl...

Page 382 - A. GENERAL TIMING CHART

A. GENERAL TIMING CHART (A4, 2 copies, Direct, from copier cassette) COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) A-1 ,,,,,,,, 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sequence STBY INTR AER SCFW SCRV SCFW SCRV LSTR STBY Main motor (...

Page 383 - B. SIGNALS AND ABBREVIATIONS; Signals and Abbreviations

B. SIGNALS AND ABBREVIATIONS 1. Signals and Abbreviations COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) A-2 ACBIAS DEVELOPING AC BIAS VOLTAGE DETECTION signal AE AE SENSOR OUTPUT signal AE AEREF AE SENSOR REFERENCE signal AE ATTH AMBIENT TEMPERATURE THE...

Page 384 - C. GENERAL CIRCUIT DIAGRAM

Canon NP6218 - Manual

Table of Contents:

Summary

Other Canon Models