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Canon NP6218 Service Handbook

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REVISION 0
FY8-23AP-000
MAY 1997
COPYRIGHT © 1996 CANON INC.
CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

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  • Page 1 REVISION 0 FY8-23AP-000 MAY 1997 COPYRIGHT © 1996 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 2 IMPORTANT THE DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.

  • Page 3: Table Of Contents

    CONTENTS CHAPTER 1 MAINTENANCE AND INSPECTION A. Image Adjustment Basic B. Periodical Servicing......1-2 Procedure........1-1 CHAPTER 2 STANDARDS AND ADJUSTMENTS A. Image Adjustment ......2-1 3. Positioning the Solenoid for the 1. Adjusting the Image Leading Primary Charging Roller..2-18 Edge Margin ([3], No.305; 4.
  • Page 4 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS A. Sensors ........3-2 Variable Registors (VR) and check B. Clutches, Solenoids, and Pins by PCB .......3-12 Switches ........3-4 1. DC controller PCB....3-12 C. Motors, Heaters, and Lamps..3-6 2. Composite power supply D.

  • Page 5: Chapter 1 Maintenance And Inspection

    CHAPTER 1 MAINTENANCE AND INSPECTION A. Image Adjustment Basic Procedure...
  • Page 6 B. Periodical Servicing...

  • Page 7: Chapter 2 Standards And Adjustments

    CHAPTER 2 STANDARDS AND ADJUSTMENTS CHAPTER 2 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 2-1 when the Test Sheet is copied in Direct.

  • Page 8: Adjusting The Leading Edge Non-Image Width ([3], No.306; Blank Shutter On Timing)

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 2. Adjusting the Leading Edge Non-Image Width ([3], No. 306; blank shutter ON timing) Activate [3] in service mode, select ‘No. 306’ (leading edge non-image width adjustment), and make adjustments so that the image leading edge non-image width is as indicated in Figure 2-2 when the Test Sheet is copied in Direct.

  • Page 9: Adjusting The Image Trailling Edge Non-Image Width

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 3. Adjusting the Image Trailing Edge Non-Image Width ([3], No. 309; blank shutter timing) Trailing Edge Non-Image Width 2.5± 1.5mm Figure 2-3 Activate [3] in service mode, and select ‘No. 309’ (leading edge non-image width adjustment);...

  • Page 10: Adjusting The Left/Right Registration

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 4. Adjusting the Left/Right Registration Make adjustments so that the position of the image is as indicated in Figure 2-5 when the Test Sheet is copied in Direct. Pick-Up from the Cassette Turn the screw 1 shown in Figure 2-4 to adjust the position of the cassette hook plate. standard: 0.±1.5 mm clockwise turn: paper moves in the direction of –...

  • Page 11: Adjusting The Left/Right Margin (No.311; Left/Right Margin)

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 5. Adjusting the Left/Right Margin (No. 311; left/right margin) Select ‘No. 311’ (left/right margin adjustment); make adjustments so that the left/right margin is 2.5 ±1.5 mm when the Test Sheet is copied in Direct. You must adjust the left/right registration before making this adjustment. Making Adjustments Margin (adjusting the width) 1) Activate [3] in service mode, and select ‘No.

  • Page 12: Adjusting The Scanning Lamp Intensity

    CHAPTER 2 STANDARDS AND ADJUSTMENTS The entire shutters are shifted. Shutter Figure 2-9 Caution: After the adjustments (both a and b), turn on and off the power switch or change the reproduction ratio so that the blank exposure assembly performs home positioning.

  • Page 13: Ae Adjustment

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 7. AE Adjustment Adjust the AE mechanism using the following three service modes: AE Basic Adjustment No. 410 .....scanner forward stop No. 408 ..scanning lamp on check No. 208 ..AE sensor voltage display No. 301lamp intensity automatic adjustment at time of AE scan Copy Density in AE Mode (No.
  • Page 14 CHAPTER 2 STANDARDS AND ADJUSTMENTS 8) Enter ‘208’ using the keypad, and press the start button. • The display indicates ‘208’. 9) Press the Start key. • The display indicates ‘0–255’. 10) Turn VR391 on the DC controller so that the reading on the display is ‘100~105’. VR391 Figure 2-10 DC Controller PCB 11) Turn off and on the power switch.
  • Page 15 CHAPTER 2 STANDARDS AND ADJUSTMENTS Copy Density (development bias) Reference Point Adjustment for AE Mode (No. 302) 1) If the indication is not in the 300’s, activate adjustment mode (service mode) as in the case of ‘No. 301’. 2) Press [2] on the keypad. •...
  • Page 16 CHAPTER 2 STANDARDS AND ADJUSTMENTS Item Function Description Remarks\ No. 301 Automatic lamp The lamp intensity intensity adjustment is automatically Lighter for AE scans adjusted so that the copies of the Test Copy Chart will be made density 5 at density 5. Darker Test Chart Density of...

  • Page 17: Exposure System

    CHAPTER 2 STANDARDS AND ADJUSTMENTS B. Exposure System 1. Routing the Scanner Drive Cable Route the cable as shown by through ; then, adjust the cable tension and mirror position as described. Set screws Loosen the set screws to enable free rotation.

  • Page 18: Adjusting The Mirror Position

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 2. Adjusting the Mirror Position (optical distance between No. 1 mirror and No. 2/No. 3 mirror) 1) Keep the mirror positioning tool handy. (See “4 Assembling the Mirror Positioning Tool on P. 2-13.”) 2) Move the No. 1 mirror mount forward, and match the long hole in the front side plate and the cable fixing screw (front) (rear)

  • Page 19: Adjusting The Scanner Cable Tension

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 so that the distance across the ends of the cable spring is 34 ±1 mm as indicated in Figure 2-16.

  • Page 20: Points To Note When Attaching The Fluorescent Lamp Heater/Scanning Lamp

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 4) Tighten the screw. Position A Figure 2-18 5. Points to Note When Attaching the Fluorescent Lamp Heater/Scanning Lamp • Attach the heater to the lamp as follows: Light- emitting portion Fluorescent heater Figure 2-19 Caution: Do not touch the fluorescent lamp.
  • Page 21 CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 2-20. Light-emitting portion Figure 2-20 (front view) Caution: Do not touch the fluorescent lamp.

  • Page 22: Positioning The Change Solenoid

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 6. Positioning the Change Solenoid Make adjustments by loosening the two screws so that the gear butts against the direction of b by the arm when the steel core of the solenoid is fully pushed in the direction of B, i.e., when the E-ring comes into contact with the solenoid.

  • Page 23: Image Formation System

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 down the shutter.

  • Page 24: Routing The Blank Shutter Cable

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 2. Routing the Blank Shutter Cable Attach the spring to the outside of the sides shutter. Slide shutter (rear) Wind 3.5 times. Slide shutter (front) Figure 2-24 3. Positioning the Solenoid for the Primary Charging Roller Loosen the two screws used to fix the solenoid in place, and move the solenoid in the direction of B so that the...

  • Page 25: After Replacing The Drum Unit

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 2-26) that came with the drum unit; attach the label to the front cover of the new drum unit, and perform the image basic adjustment procedure.
  • Page 26 CHAPTER 2 STANDARDS AND ADJUSTMENTS 7) Fix the harness in place using two SK binders (WT2-5145; front, rear) ; then, insert it into the transfer guide. Caution: When fixing the harness in place, make sure that the cap portions of the terminals alternate;...

  • Page 27: Pick-Up/Feeding System

    CHAPTER 2 STANDARDS AND ADJUSTMENTS D. Pick-Up/Feeding System 1. Orientation of the Pick-Up Roller Attach the pick-up roll so that the side shown in Figure 2-31 is toward the rear. Figure 2-31 2. Orientation of the Multifeeder Pick-Up Roller Attach the multifeeder pick-up roller so that the side with the collar with a cross is toward the rear.

  • Page 28: Positioning The Paper Guide Plate Cam (Multifeeder)

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 3. Positioning the Paper Guide Plate Cam (multifeeder) Temporarily fix the screw with a hex nut of the spring clutch assembly in place; turn the control ring. Make adjustments so that the hole in the cam and the hole in the multifeeder drive unit match as indicated in Figure 2-33 when the claw of the control ring is engaged with the solenoid;...

  • Page 29: Fixing System

    CHAPTER 2 STANDARDS AND ADJUSTMENTS E. Fixing System 1. Points to Note When Attaching the Fixing Film Orient it so that the cut-off is toward the rear. Make sure that the end toward the front is along the middle groove. Film end aligned.

  • Page 30: Adjusting The Fixing Film Drive Roller Pressure

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 actuator.

  • Page 31: Points To Note After Replacing The Fixing Upper Unit

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 slightly;...

  • Page 32: Adjusting The Nip

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 5. Adjusting the Nip The nip should be as indicated in Figure 2-38. You must make the following adjustments if fixing faults occur. paper Center of copy Feeding paper direction b : 4 -1mm +2mm a-c : 1mm or less Figure 2-38 Note:...

  • Page 33: Routing The Drive Belt

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 6. Routing the Drive Belt Route the drive belt around the pulley and tensioner as shown in Figure 2-39. Figure 2-39 7. Storing the Fixing Heater Resistance You must store the resistance of the fixing heater as follows whenever you are replacing the fixing upper unit;...

  • Page 34: Setting The Fixing Heater Temperature Control Value

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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.
  • Page 35 CHAPTER 2 STANDARDS AND ADJUSTMENTS 2) Replace the fixing upper unit. 3) Press the service switch (SW302). • The copier enters service mode and indicates ‘1’. 4) Enter ‘5’ using the keypad. • The display indicates ‘5’. 5) Press the AE key, and enter ‘8’ on the keypad. •...
  • Page 36 CHAPTER 2 STANDARDS AND ADJUSTMENTS 10) Enter ‘4’ using the keypad, and set the copy count. 11) Press the service switch (SW302), thereby recalling the temperature of the No. 1 thermistor. • The display indicates ‘1’. 12) Press the AE key, and enter ‘9’ on the keypad. •...

  • Page 37: Electrical

    CHAPTER 2 STANDARDS AND ADJUSTMENTS F. Electrical 1. After Replacing the PCB You must make the adjustments that follow whenever you have replaced the following PCBs. DC Controller PCB 1) Enter the value recorded on the service mode label attached behind the front door in service mode (‘3’;...

  • Page 38: Checking The Photointerrupters

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 39 CHAPTER 2 STANDARDS AND ADJUSTMENTS Copier Voltage + probe Display Name Checks reading indication Service mode on meter Move the J311-2 The scanner is at scanner by home position. Scanner home — hand while position sensor The scanner is not in standby.
  • Page 40 CHAPTER 2 STANDARDS AND ADJUSTMENTS Voltage Display + probe Name Checks reading indication on meter Service mode Move the The lever is moved. — J312-2 detection Delivery sensor The lever is not — No. 204 1-g lever with a (DSPD*) moved.
  • Page 41 CHAPTER 2 STANDARDS AND ADJUSTMENTS Voltage + probe Display Name Checks reading indication Service mode on meter Q654 J314-11 Slide out the The lever is moved. — cassette Cassette size No. 203 2-a The lever is not — while in sensor 4 (CSZ-4) moved.
  • Page 42 CHAPTER 2 STANDARDS AND ADJUSTMENTS Voltage + probe Display Name Checks reading indication Service mode on meter Q652-2 J319-B2 Draw out the The lever is moved. — cassette Cassette 2 size No. 201 1-f The lever is not while in sensor 2 (C2SZ- moved.
  • Page 43 CHAPTER 2 STANDARDS AND ADJUSTMENTS Voltage + probe Display Name Checks reading indication Service mode on meter PS4cu J319-A9 Draw out The cassette is — the cassette drawn out. Cassette 3 No. 203 1-f 3 while in paper sensor The cassette is —...
  • Page 44 CHAPTER 2 STANDARDS AND ADJUSTMENTS Voltage + probe Display Name Checks reading indication Service mode on meter Q654-4 J319-B4 Draw out the The lever is moved. — cassette Cassette 3 size No. 202 2-a When the lever is — while in sensor 4 (C3SZ- not moved.

  • Page 45: Adjusting The Multifeeder Paper Width Sensor

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 actuator into the door switch.

  • Page 46: Setting The Paper Size For The Universal Cassette

    CHAPTER 2 STANDARDS AND ADJUSTMENTS 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 (505). 1) Open the front door, and insert the door switch actuator into the door switch. 2) Press the service mode switch (SW302) with a hex key.

  • Page 47: Chapter 3 Arrangement And Functions Of The Electrical Parts

    CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS...

  • Page 48: Sensors

    CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS A. Sensors Figure 3-1...
  • Page 49 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS Symbol Name Ref. Description Photointerrupter detects scanner home position detects lens home position detects blank shutter home position detects presence/absence of paper in cassette detects presence/absence of paper in multifeeder detects paper in front of registration roller detects paper in separation assembly detects paper in delivery assembly detects belt...

  • Page 50: Clutches, Solenoids, And Switches

    CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS B. Clutches, Solenoids, and Switches Figure 3-2...
  • Page 51 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS Symbol Name Ref. Description Clutch registration clutch pick-up clutch multifeeder pick-up clutch Solenoid change solenoid multifeeder holding plate solenoid blank shutter primary charging roller cleaning solenoid transfer changing roller releasing solenoid Push switch door switch Switch...

  • Page 52: Motors, Heaters, And Lamps

    CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS C. Motors, Heaters, and Lamps Figure 3-3...
  • Page 53 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS Symbol Name Ref. Description Motor main motor scanning motor lens motor fixing belt motor Fan motor heat exhaust fan Heater fixing heater fluorescent lamp heater lens heater Fluorescent scanning lamp lamp Lamp pre-exposure lamp Table 3-3...

  • Page 54: Pcbs

    CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS D. PCBs Figure 3-4...
  • Page 55 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS Ref. Name Function Noise filter noise prevention Composite power supply DC power supply, high-voltage generation DC controller sequence control AE sensor original density detection Intensity sensor fluorescent lamp intensity detection Control panel control panel keys, LEDs High-voltage connector charging, transfer, static eliminating power relay...

  • Page 56: Cassette Feeding Module-A2

    CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS E. Cassette Feeding Module – A2 CL1cu PS1cu PS3cu PS2cu M1cu CL2cu PS5cu PS4cu Q564-2 Q563-2 Q562-2 Q561-2 Q564-3 Q563-3 Q562-3 Q561-3 Figure 3-5 3-10...
  • Page 57 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS Symbol Name Ref. Description Photointerrupter PS1cu mcassette 2 vertical path detection PS2cu cassette 2 paper detection PS3cu cassette 3 vertical path detection PS4cu cassette 3 paper detection PS5cu cassette right door open/closed detection Q561-2 cassette 2 paper size detection 1 Q562-2...
  • Page 58 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS F. Variable Resistors (VR) and Check Pins by PCB Of all the VRs and check pins found in the copier, those that are needed in the field are discussed. Caution: Do not touch the VRs and check pins that are not discussed herein; they are for factory adjustment only and require special tools and instruments and must be adjusted with high precision.
  • Page 59 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS 2. Composite power supply PCB J212 J213 J210 J206 J205 J209 J211 LED501 J908 J906 J202 J204 Figure 3-7 3-13...
  • Page 60 CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS 3-14...

  • Page 61: Chapter 4 Service Mode

    CHAPTER 4 SERVICE MODE CHAPTER 4 SERVICE MODE A. Outline The copier’s service mode may be classified into the following six: Item Description control display mode I/O display mode adjustment mode operation/inspection mode specification mode counter mode Table 4-1 B. Using Service Mode 1.

  • Page 62: Selecting A Service Mode

    CHAPTER 4 SERVICE MODE 2. Selecting a Service Mode 1) 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 copier activates the selected mode, and the copy count indicator indicates ‘301’...

  • Page 63: Recording On The Service Mode Label

    CHAPTER 4 SERVICE MODE 7. Recording on the Service Mode Label Figure 4-2 shows the label attached behind the front door. At the factory, each machine is adjusted, and the settings used at the time are recorded on the label. You must record new settings if you changed them in the field.

  • Page 64: Control Display Mode [1]

    CHAPTER 4 SERVICE MODE C. Control Display Mode [1] • To select an item, press the appropriate key on the keypad and then the Start key. • To clear an item, press the Clear key. • A press on the Start key while a service mode is indicated executes the respective operation.
  • Page 65 CHAPTER 4 SERVICE MODE No. 101 Jam Location Indicator In this mode, the copy count indicator turn on to indicate the type of jam. If both delay and stationary are indicated for the same sensor, i.e., at time of power-on or standby, the copier has detected copy paper when it was not making copies.

  • Page 66: I/O Mode [2]

    CHAPTER 4 SERVICE MODE D. I/O Mode [2] • Press [2] on the keypad and the AE key to activate I/O display mode. • To clear an item, press the Clear key. • A press on the Start key while a service mode is indicated executes the respective operation.
  • Page 67 CHAPTER 4 SERVICE MODE LED (copy count indicator; from 201 to 205) No. 201/202/203/204 Port C Digital Display Description Remarks Cassette 2 connect ON: connected Cassette 2 connect ON: connected Options counter open circuit ON: open Jumper connector 3 ON: connected Cassette size 1 (cassette 2) ON: light-blocking plate present Cassette size 2 (cassette 2)
  • Page 68 CHAPTER 4 SERVICE MODE Description Remarks Right door open/closed ON: light-blocking plate present (paper sensor (PS10) present) Separation sensor (PS7) ON: light-blocking plate present (right door closed) Cassette paper sensor ON: light-blocking plate present (paper (PS4) absent) Multifeeder paper sensor ON: light-blocking plate present (paper (PS5) absent)

  • Page 69: Adjustment Mode [3]

    CHAPTER 4 SERVICE MODE 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. •...
  • Page 70 CHAPTER 4 SERVICE MODE Description Settings Remarks Left/right margin adjustment 0 ~ 15 A higher setting increases the (Direct; home position for slide margin on both left and right. shutter for blank exposure) default: 8 unit: 0.27 mm Left/right margin adjustment A higher setting increases the -10 ~ +10 (Reduce;...
  • Page 71 CHAPTER 4 SERVICE MODE Description Settings Remarks Arch adjustment when cassette A higher setting increases the arch. 0 ~ 63 2 is used (pick-up roller OFF default: 25 timing) unit: 0.27 mm Arch adjustment when cassette A higher setting increases the arch. 0 ~ 63 2 is used (pick-up roller OFF default: 25...

  • Page 72: Operation/Inspection Mode [4]

    CHAPTER 4 SERVICE MODE 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. •...
  • Page 73 CHAPTER 4 SERVICE MODE Description Remarks Scanner forward stop Pre-exposure lamp on Drum unit installation mode Execute it when installing or replacing the drum unit; a press on the Start key will automatically activate APVC measurement mode; the mode ends in about 23 sec. Back-up RAM clear See p.

  • Page 74: Specification Settings Mode [5]

    CHAPTER 4 SERVICE MODE G. Specification Settings Mode [5] • To activate specification settings mode, press [5] on the keypad and then the AE key. • To select an item, press the appropriate key on the keypad and then the Start key. •...

  • Page 75: Counter Mode [6]

    CHAPTER 4 SERVICE MODE 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. •...
  • Page 76 CHAPTER 4 SERVICE MODE 4-16...
  • Page 77 CHAPTER 5 SELF DIAGNOSIS CHAPTER 5 SELF DIAGNOSIS A. Copier The microprocessor on the copier’s DC controller is provided with a self diagnosis mechanism that checks the condition of the machine (sensors, in particular). The copier runs self diagnosis and, when it identifies an error, indicates a code that represents each specific error.
  • Page 78 CHAPTER 5 SELF DIAGNOSIS Code Cause Description • Thermistor (TH1, TH2; • After the main thermistor (TH1) detection displacement, poor contact, temperature reaches 95°C, the main ther- open circuit) mister detects lower than 95°C for 200 ms. • Fixing heater (H1; open circuit, •...
  • Page 79 CHAPTER 5 SELF DIAGNOSIS Code Cause Description • Lens cable (displacement, tear) • The lens home position sensor signal • Lens home position sensor (LHP) is not generated within a specific (PS2; faulty) period of time after the power switch has •...
  • Page 80 CHAPTER 5 SELF DIAGNOSIS Clearing an Error Code (back-up data) When the self diagnosis mechanism has been activated, the copier may be reset by turning its power off and on. However, this does not work for E000, E001, E002, E003, or E004;...
  • Page 81 CHAPTER 5 SELF DIAGNOSIS B. Self Diagnosis (ADF) Code Cause Description • data communication with The data communication is monitored at all E400 copier (error) times; the error is identified if the communication with the copier is absent for 5 sec or more. •...

  • Page 82: Self Diagnosis (Sorter)

    CHAPTER 5 SELF DIAGNOSIS C. Self Diagnosis (sorter) Code Cause Description The CPU or the communica- An error is detected in the communication E500 tions IC on the sorter controller between the sorter and the copier. is not operating normally. The feeder motor fails to rotate.
  • Page 83 CHAPTER 5 SELF DIAGNOSIS Note: Even in down state, the sorter will run a self check and rest if the result is good if you have switched it off and then on without detaching it from the copier. * Simply turn off the joint sensor (MS3) to detach the sorter from the copier; you need not disconnect the communication connector.
  • Page 84 CHAPTER 5 SELF DIAGNOSIS...

  • Page 85: Appendix

    APPENDIX A. GENERAL TIMING CHART (A4, 2 Copies, Direct, from copier cassette) Power switch Copy start key Sequence STBY INTR SCFW SCRV SCFW SCRV LSTR STBY Main motor (M1) Pre-exposure lamp Primary charging (APVC)       TTTTTTTT   ...
  • Page 86 B. SIGNALS AND ABBREVIATIONS 1. Signals and Abbreviations ACBIAS DEVELOPING AC BIAS VOLTAGE DETECTION signal FLUORESCENT LAMP INTENSITY signal AE SENSOR OUTPUT signal FLTH FLUORESCENT LAMP THERMISTOR signal AEREF AE SENSOR REFERENCE signal AE FLTH ON FLUORESCENT LAMP HETER ON command ATTH AMBIENT TEMPERATURE THERMISTOR signal FUSER FILM MOTOR DRIVE command...
  • Page 87 C. GENERAL CIRCUIT DIAGRAM not available...

  • Page 89: System

    APPENDIX D. SPECIFICATIONS A. Copier 1. Type Item Description Body Desk top Copyboard Fixed Light source Fluorescent lamp Lens Zoom Photosensitive medium OPC (φ30) 2. System Item Description Copying Indirect electrophotographic Charging Roller (direct charging) Exposure Slit (moving light source) Copy density adjustment Automatic (AE) or manual Development...

  • Page 90: Features

    Cassette Feeding Module-B2, Cassette Feeding Module-A2, Control Card IV N, Stapler Sorter B2/D1, MS-B1 ADF-E1 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.
  • Page 91 APPENDIX 4. Others Item Description Temperature 7.5°C to 32.5°C/45.5°F to 90.5°F Operating environment Humidity 5% RH to 85% RH Atmospheric pressure 810.6 hPa to 1013.3 hPa (0.8 to 1 atm) Serial numbers Power supply 230 V (50 Hz) UCD xxxxx Maximum 1.5 kW or less Power consumption...
  • Page 92 APPENDIX Reproduction ratio Copy size Copies/min (297 x 420) (210 x 297) DIRECT 1: 1 (±0.5%) (148 x 210) (297 x 210) (210 x 148) 1: 0.500 (+1.0%) REDUCE 1: 0.707 (+1.0%) 1: 2.000 (+1.0%) ENLARGE 1: 1.414 (+1.0%) Table A-2 Copying Speed B.
  • Page 93 Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT.1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. Printed in Japan REVISION 0 (MAY 1997) [31625] 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302 Japan...
  • Page 94 The publication is printed on This publication is printed on 70% reprocessed paper. 70% reprocessed paper. PRINTED IN JAPAN (IMPRIME AU JAPON) 1096S1.62-1...

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