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Canon NP6218, FY8-13EX-000 COPYRIGHT 1997 CANON INC Printed in Japan Imprimé au Japon, Canon Inc

Models: FY8-13EX-000 NP6218

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IMPORTANT

THIS 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.

ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY.

THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS.

COPYRIGHT © 1997 CANON INC.

Printed in Japan

Imprimé au Japon

Use of this manual should be strictly

supervised to avoid disclosure of

confidential information.

Prepared by

OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT. 1

OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV.

CANON INC.

5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302 Japan

CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)

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Canon NP6218, FY8-13EX-000 service manual COPYRIGHT 1997 CANON INC Printed in Japan Imprimé au Japon, Canon Inc

Contents

REVISION SERVICE MANUALFY8-13EX-000 COPYRIGHT 1997 CANON INCCOPYRIGHT 1997 CANON INC Printed in Japan Imprimé au Japon CANON INCINTRODUCTION and consumables/durables and scheduled servicing charts System Configuration CANON NP6218 REV.0 MAR. 1997 PRINTED IN JAPAN IMPRIMÉ AU JAPON 1. GENERAL DESCRIPTIONCOPYRIGHT 1997 CANON INC CONTENTS CHAPTER 1 GENERAL DESCRIPTIONCHAPTER 2 BASIC OPERATION CHAPTER 3 EXPOSURE SYSTEM CHAPTER 4 IMAGE FORMATION SYSTEMCHAPTER 5 PICK-UP/FEEDING SYSTEM CHAPTER 6 FIXING SYSTEM viiiCHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS CHAPTER 8 INSTALLATIONCHAPTER 9 MAINTENANCE AND SERVICING CHAPTER 10 TROUBLESHOOTING 10.The copy has white spot APPENDIX CHAPTER GENERAL DESCRIPTION CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON1. Multiple front loading and multifeeder for space saving I. FEATURES4. Practical basic features 2. Office amenities and ecology1. Type II. SPECIFICATIONSA. Copier 2. System2. Remove curling before feeding for a second time 3. Features1. Use Canon-recommended paper Operating environment 4. OthersTable 1-201 Standard Reproduction Ratios 1 1 ±0.5%B. Cassette Feeding Module-B2/Cassette Feeding Module-A2 Table 1-202 Copying SpeedIII. NAMES OF PARTS A. Exterior ViewB. Cross Section 1. Bodyr Cassette 3 pick-up roller 2. Cassette Feeding Module-A2q Cassette w CassetteIV. OPERATION A. Control PanelB. Operation Mode 1-10C. Making Two-Sided/Overlay Copies manual 1-111-12 D. User Mode1. Outline b. Operation 2. Common Operations a. Keys to Use in User ModeChanging the Auto Power-Off Time 3. Changing the Auto Clear Time1-14 Zoom Fine-AdjustmentReference Turning On and Off the Auto Cassette Change Mechanism 1-15Cleaning the Feeder with ADF installed-option 1-161-17 Selecting the Density Adjustment Method for Standard Mode10. Initializing User Mode CHAPTER 1 GENERAL DESCRIPTION 11. Quick Guide to User Mode1-18 COPYRIGHT 1997 CANON INCE. Handling the Toner Bottle VI. ROUTINE MAINTENANCE BY THE USERV. WARNINGS AND ACTIONS Handling the Toner Bottle1-20 VII. IMAGE FORMATIONA. Outline 1-21 The NP6218 generates images in the following eight stepsCOPYRIGHT 1997 CANON INC 1-22CHAPTER 1 GENERAL DESCRIPTION CANON NP6218 REV. 0 MAY. 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER BASIC OPERATION CHAPTER 2 BASIC OPERATION I. BASIC CONSTRUCTIONA. Functional Construction COPYRIGHT 1997 CANON INC+24V B. Outline of the Electrical CircuitrySorter accessory Transfer currentC. Basic Sequence of Operations 2 copies continuous, AE 1. Outline D. Main Motor Control Circuit2. Mechanism CHAPTER 2 BASIC OPERATION E. Inputs to the DC Controller PCB1. Inputs to the DC Controller PCB 1/3 COPYRIGHT 1997 CANON INCCOPYRIGHT 1997 CANON INC 2. Inputs to the DC Controller PCB 2/3CHAPTER 2 BASIC OPERATION COPYRIGHT 1997 CANON INC 3. Inputs to the DC Controller PCB 3/3CHAPTER 2 BASIC OPERATION CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER 2 BASIC OPERATION F. Outputs from the DC Controller PCB1. Outputs from the DC Controller PCB 1/3 COPYRIGHT 1997 CANON INCCOPYRIGHT 1997 CANON INC 2. Outputs from the DC Controller PCB 2/3CHAPTER 2 BASIC OPERATION CHAPTER 2 BASIC OPERATION 3. Outputs from the DC Controller PCB 3/32-10 COPYRIGHT 1997 CANON INC2-11 G. Inputs to and Outputs from the 1-Cassette Unit Driver PCB1. Inputs to and Outputs from the 1-Cassette Unit Driver PCB 1/1 CHAPTER 2 BASIC OPERATION2-12 H. Inputs to and Outputs from the 2-Cassette Unit Driver PCB1. Inputs to and Outputs from the 2-Cassette Unit Driver PCB 1/2 CHAPTER 2 BASIC OPERATIONCHAPTER 2 BASIC OPERATION 2. Inputs to and Outputs from the 2-Cassette Unit Driver PCB 2/22-13 COPYRIGHT 1997 CANON INCCOPYRIGHT 1997 CANON INC 2-14CHAPTER 2 BASIC OPERATION CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER EXPOSURE SYSTEM A. Varying the Reproduction Ratio I. BASIC OPERATIONII. LENS DRIVE SYSTEM A. OutlineChange solenoid SL1 Lens motor M3 Lens cable CHAPTER 3 EXPOSURE SYSTEMCOPYRIGHT 1997 CANON INC 2. Driving the Lens Motor B. Lens Motor Drive Circuit1. Keeping the Lens Motor Stationary C. Basic Sequence of Operations lens drive system non-Direct 1. Outline III. SCANNING DRIVE SYSTEMA. Driving the Scanner Reference 2. Relationship between the Scanner Sensor and Signals3. Basic Sequence of Operations scanner Scanner sensor4. Driving the Scanner Motor a. Outline b. MechanismPage 1. Detaching the Scanner Drive Motor IV. DISASSEMBLY AND ASSEMBLYA. Scanner Drive Assembly 2. Detaching the Scanner Cable 3-103-11 front3. Assembling the Mirror Position Tool 3-124. Routing the Scanner Cable 3-133-14 5 Tighten the screw loosened in e, and fix the cable to the left stayWirespring 3-15Hook Wirespring Hook3-16 6. Cleaning the Scanner No. 6 Mirror 3-173-18 B. Lens Drive Assembly1. Detaching the Lens Drive Motor 3-19 6 Disconnect the two connectors y from the copier’s rear3-20 Figure 3-421 Lens Drive Assembly2. Routing the Lens Cable CHAPTER 3 EXPOSURE SYSTEMA B 3. Adjusting the Position of the Change Solenoid3-21 COPYRIGHT 1997 CANON INC 3-22CHAPTER 3 EXPOSURE SYSTEM CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER IMAGE FORMATION SYSTEM A. Outline I. PROCESSESComposite Power Supply PCB DC controller PCB CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC4 ON pre-heating control B. Basic Sequence of Operations image formation system1 AE only 2 half pre-heating control 3 full pre-heating control CHAPTER 4 IMAGE FORMATION SYSTEMC. Controlling the Scanning Lamp 1. Outline2. Turning On and Off the Scanning Lamp 3. Pre-Heating Control scanning lampInput Signals from the DC Controller to the Composite Power Supply PCB 5. Controlling the Intensity of the Scanning Lamp FL1 6. Controlling the Fluorescent Lamp Heater Correction Control ALVC control 7. Fluorescent Lamp Automatic8. Fluorescent Lamp Protection Mechanism Reference1. Outline D. Controlling the Primary Charging Roller Bias4-10 drive circuit4-11 2. Turning On and Off the Primary Charging Roller Bias3. Controlling the Primary Charging Roller Bias to a Constant Voltage 4-12 a. Transfer Bias b. Cleaning BiasE. Controlling the Transfer Roller Bias c. Reference Bias ATVC4-14 turns on and off the transfer roller bias3. Controlling the Transfer Bias to a Constant Voltage 6. Current Limiter Circuit cleaning bias2. Turning On and Off the Transfer Roller Bias 5. Current Limiter Circuit transfer bias1. Outline F. Controlling the Static Eliminator Bias4-16 4-17 2. Switching the Static Eliminator Bias Voltage Level3. Ensuring Proper Separation of Thin Paper 1. Outline G. Controlling Blank Exposure4-18 Blanking shutter home position sensor PS34-19 2. Blanking Whiting of Non-Image Areas for Reduction3. Blanking Whiting Out the Leading/Trailing Edges and between Copies 4-20 H. Controlling the Primary Corona Roller Cleaning Mechanism2. Primary Charging Roller Cleaning Operation Fulcrum Fulcrum Cleaning pad1. Outline I. Releasing the Transfer Roller4-21 A. Outline II. DEVELOPING ASSEMBLY AND CLEANING ASSEMBLY4-22 Toner containerB. Controlling the Toner Level Detection 4-234-24 q When the Level of Toner Is Adequate1. Outline C. Controlling the Development Bias4-25 3. Turning On and Off the AC Component of the Development Bias 4-264-27 D. Automatic Control of Copy Density2. Control Method 1. OutlineCHAPTER 4 IMAGE FORMATION SYSTEM Figure 4-207 Area Read by the AE Sensor Reference4-28 COPYRIGHT 1997 CANON INClamp intensity automatic adjustment No. 301 during AE scans 3. AE Adjustment4-29 copy density development bias slope adjustment No. 303 during AE mode1. Detaching the Scanning Lamp/Fluorescent Lamp Heater III. DISASSEMBLY AND ASSEMBLYA. Illumination Assembly 4-30CHAPTER 4 IMAGE FORMATION SYSTEM u yt4-31 COPYRIGHT 1997 CANON INC4-32 1~5mm60mm 60mmFigure 4-306 front view 4-33Reference 3. Detaching the Blank Exposure Assembly4-34 CHAPTER 4 IMAGE FORMATION SYSTEM 4. Detaching the Blank Exposure Lamp4-35 COPYRIGHT 1997 CANON INC5. Detaching the Blank Shutter Solenoid 4-36Figure 4-314b 6. Positioning the Blank Shutter SolenoidFigure 4-314a 4-374-38 7. Routing the Blanking Cable8. Positioning the Left/Right Margin 4-39 B. Drum Unit1. Detaching the Drum Unit CHAPTER 4 IMAGE FORMATION SYSTEM2. Cleaning 4-404-41 C. Primary Corona Assembly1. Detaching the Primary Corona Assembly 2. Cleaning the Cleaning Pad and the Primary Corona Roller 4-423. Positioning the Solenoid for the Primary Charging Roller 4-432. Attaching the Drum Heater D. Transfer Charging Assembly1. Detaching the Transfer Roller 4-444-45 5 Detach the transfer roller and the static eliminatorCHAPTER 4 IMAGE FORMATION SYSTEM 4-469 Connect the connector y as shown in Figure COPYRIGHT 1997 CANON INCE. Developing System 1. Removing the Developing Assembly2. Removing the Blade Assembly 4-473. Removing the Developing Cylinder Side Seal 4-484-49 t r e y ei o !0 CHAPTER 4 IMAGE FORMATION SYSTEM7 Remove the developing cylinder !4 4-506 Remove the screw !1, and remove the butting roll !2and roll case !3 CHAPTER 4 IMAGE FORMATION SYSTEMCHAPTER 4 IMAGE FORMATION SYSTEM 4. Installing the Side Seal and the Blade Assembly4-51 COPYRIGHT 1997 CANON INCCHAPTER 4 IMAGE FORMATION SYSTEM 4-523 Check that the side seal and the container are in firm contact COPYRIGHT 1997 CANON INCCHAPTER PICK-UP/FEEDING SYSTEM Multifeeder I. PICK-UP/FEEDING SYSTEMA. Outline PS3cuSensor No II. PICK-UP OPERATION COPIER A. OutlineCOPYRIGHT 1997 CANON INC B. Sequence of Operations pick-up/feeding assembly A4, 2 copiesCHAPTER 5 PICK-UP/FEEDING SYSTEM CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPONIII. PICK-UP FROM THE CASSETTE FEEDING MODULE-A2 A. Pick-Up OperationCOPYRIGHT 1997 CANON INC B. Sequence of Operations cassette 2 A4, 2 copiesCHAPTER 5 PICK-UP/FEEDING SYSTEM STBYIV. MULTIFEEDER A. OutlineB. Identifying the Size of Paper on the Multifeeder ReferenceCOPYRIGHT 1997 CANON INC C. Sequence of Operations multifeeder A4, 2 copiesCHAPTER 5 PICK-UP/FEEDING SYSTEM CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPONV. IDENTIFYING THE CASSETTE SIZE 5-10Guide plate horizontal Paper size lever Guide plate vertical 5-11Reference VI. IDENTIFYING JAMS A. Pre-Registration Delay JamFigure 5-601 Pre-Registration Delay Jam Sequence 5-12Figure 5-602 Pre-Registration Timing Jam Sequence B. Pre-Registration Timing JamC. Pre-Registration Stationary Jam Figure 5-603 Pre-Registration Stationary Jam SequenceE. Separation Stationary Jam D. Separation Delay JamFigure 5-604 Separation Delay Jam Sequence Figure 5-605 Separation Stationary Jam SequenceG. Delivery Stationary Jam F. Delivery Delay JamFigure 5-606 Delivery Delay Jam Sequence Figure 5-607 Delivery Stationary Jam Sequence1. Detaching the Pick-Up Roller Unit VII. DISASSEMBLY AND ASSEMBLYA. Pick-Up Assembly 5-165-17 3 Open the lower right cover5-18 6 Push in the bushing t at the rear toward the front, and lower the spring pressure to remove the pick-up unit toward the left of the copier2. Detaching the Pick-Up Roller 5-195-20 3. Points to Note When Attaching the Pick-Up Roller4. Detaching the Pick-Up Clutch CHAPTER 5 PICK-UP/FEEDING SYSTEM 5. Detaching the Separation Pad5-21 COPYRIGHT 1997 CANON INC5-22 6. Adjusting the Left/Right Registrationa. Pick-Up from the Cassette 5-23 B. Multifeeder Assembly1. Detaching the Multifeeder Assembly CHAPTER 5 PICK-UP/FEEDING SYSTEM5-24 2. Detaching the Multifeeder Pick-Up Roller Unitq w e CHAPTER 5 PICK-UP/FEEDING SYSTEM3. Detaching the Multifeeder Pick-Up Roller 5-25w on the collar is toward the rear 4. Points to Keep Note When Attaching the Multifeeder Pick-Up Roller5-26 5. Detaching the Separation Pad6. Detaching the Multifeeder Drive Unit 5-277. Detaching the Multifeeder Clutch 5-288. Positioning the Multifeeder Assembly paper guide plate cam 5-295-30 9. Adjusting the Left/Right Registration10. Points to Note When Attaching the Multifeeder Assembly Rack Plate 2. Detaching the Upper Registration Roller C. Registration Roller Assembly1. Detaching the Registration Clutch 5-313 Lift the upper registration roller e to detach 5-32Take care not to misplace the springs front, rear CHAPTER 5 PICK-UP/FEEDING SYSTEM3. Detaching the Lower Registration Roller 5-335-34 D. Feeding Assembly1. Detaching the Feeding Belt 6 Detach the feeding spacer t from the hook arrow 5-355 Detach the static eliminator CHAPTER 5 PICK-UP/FEEDING SYSTEM2. Detaching/Attaching the Pick-Up Roller E. Cassette Feeding Module1. Detaching the Copier from the Cassette Feeding Module 3. Detaching the Pick-Up ClutchCHAPTER FIXING SYSTEM I. BASIC OPERATIONS A. OutlineCHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INCB. Controlling the Fixing Heater Temperature COPYRIGHT 1997 CANON INC ReferenceCHAPTER 6 FIXING SYSTEM CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPONC. Controlling the Supply Power for the Fixing Heater HTRD Supply power to heater1. Thermistor TH1, TH2 D. Detecting Overheating at the End of the Fixing HeaterE. Protection Mechanism 2. Thermal Fuse FU1Reference F. Correcting Displacement of the Fixing Film1. Outline Fixing filmunit mm Fixing film rear front Tension roller OFF Drive roller ON Normal ON OFF rear ON OFF ON front OFFdisplacement to the rear displacement to the front Fixing belt motor M4 Tension roller rear view2. Controlling the Fixing Film Motor 6-101. Construction1 II. DISASSEMBLY AND ASSEMBLYA. Fixing Assembly 6-11CHAPTER 6 FIXING SYSTEM 2. Detaching the Upper Fixing Unit6-12 COPYRIGHT 1997 CANON INC6-13 CHAPTER 6 FIXING SYSTEM er t6-14 COPYRIGHT 1997 CANON INC6-15 y u ti o!0 CHAPTER 6 FIXING SYSTEM10 Detach the tension roller !3 6-169 Pull out the fixing film !2toward the front CHAPTER 6 FIXING SYSTEM12 Remove the E-ring !6 6-1711 Remove the screw !4, and detach the fixing film sensor !5 CHAPTER 6 FIXING SYSTEM6-18 9 !8 !7@2 @1 CHAPTER 6 FIXING SYSTEM6-19 16 Remove the two screws @3, and detach the fixing film motor unit @46-20 4. Points to Note When Attaching the Fixing Film5. Points to Note When Attaching the Heater Connector Figure 6-220 rear view 6. Points to Note When Replacing the Fixing Upper Unit7. Adjusting the Fixing Film Drive Roller Pressure 6-216-22 The copier enters fixing tension roller mode8. Detaching the Lower Fixing Unit 6-236-24 10. Adjusting the Lower Fixing Roller Nip 6-25Reference a. Measuring the Nip6-26 CHAPTER 6 FIXING SYSTEM B. Delivery Assembly6-27 COPYRIGHT 1997 CANON INCCOPYRIGHT 1997 CANON INC 6-28CHAPTER 6 FIXING SYSTEM CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER EXTERNALS/AUXILIARY MECHANISMSCHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS I. POWER SUPPLYA. Outline COPYRIGHT 1997 CANON INCB. Power Supply Circuit Assembly ReferenceCANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMSCOPYRIGHT 1997 CANON INC 3. Low-Voltage Output Data Error C. Detecting Errors in the Power Supply PCB2. Error in the High-Voltage Output Data 4. Overcurrent in the Low-voltage Power SupplyD. Protection Mechanisms for the Power Supply Circuit A. External Covers II. DISASSEMBLY AND ASSEMBLYcover CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMSCOPYRIGHT 1997 CANON INC B. Control Panel 1. Detaching the Control Panel7-10 C. Fans1. Detaching the Exhaust Fan 1. Detaching the Main Motor Unit D. Main Motor/Main Drive Assembly2. Detaching the Main Drive Assembly 7-117-12 9 Turn the pulley i clockwise, and detach the belt o3. Routing the Drive Belt 7-137-14 E. Cassette unit1. Detaching the Pick-Up Drive Unit CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMSq e w q r y r t t r2. Detaching the Cassette Motor 7-15CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 3. Detaching the Cassette Driver PCB7-16 COPYRIGHT 1997 CANON INC1. Detaching the DC Controller PCB 2. Points to Note When Replacing the DC Controller PCBF. DC Controller PCB 7-177-18 G. Composite Power Supply PCB1. Detaching the Composite Power Supply PCB 7-19 6 Remove the three screws !0, and detach the power cord mount !12. Points to Note When Handling the Composite Power Supply PCB 7-20H. AE Sensor PCB 1. Points to Note When Replacing the AE Sensor1. Points to Note When Replacing the Intensity Sensor I. Intensity Sensor PCBCOPYRIGHT 1997 CANON INC 7-22CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER INSTALLATION I. SELECTING THE SITE II. UNPACKING AND INSTALLING THE COPIER A. Unpacking and Removing FixingsStep Step B. Turning On the Copier Step Step C. Checking the Images and Operations D. Attaching the Drum Unit Check/RemarksE. Changing the Cassette Size 8-10R A4 8-11A5 R A4 8-12 Direct position refers to III. RELOCATING THE COPIER8-13 Go through the following when replacing the drum unit IV. REPLACING THE DRUM UNIT8-14 8-15 Step8-16 StepV. INSTALLING THE CONTROL CARD IV N 8-1711 Connect the connector t of the Control Card IV N 8-1810 Disconnect the copier’s dummy connector r CHAPTER 8 INSTALLATION8-19 VI. CASSETTE HEATER KIT 5 INSTALLATION PROCE- DUREA. Unpacking CHAPTER 8 INSTALLATIONB. Installation to a Cassette Feeding Module-A2/B2 8-208-21 Screws8-22 6 Close the coverCHAPTER 8 INSTALLATION 8-23Copiers connector Molded member Copiers base plate Cassette Feeding Module-B28-24 Relay harness13 Install the copier’s rear cover 8-2512 Install the rear cover of the cassette pedestal and all covers CHAPTER 8 INSTALLATIONA. Unpacking VII. INSTALLING THE REMOTE DIAGNOSTIC DEVICE8-26 y *Not used u *Not usedB. Installation to the Copier 8-278-28 4 Connect the cable o on the copier side and the RDD’s cableModular Jack on the Right 8-29CHAPTER 8 INSTALLATION COPYRIGHT 1997 CANON INC8-30 1. If the ROM IC6 !2 is not mounted, you need not mount itCOPYRIGHT 1997 CANON INC 8-31CHAPTER 8 INSTALLATION CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON8-32 LED1 LED2 LED3SW2-1 8-3311 Reset the RDD’s RAM SW2-28-34 12 After making sure that LED5 !8red has come on, set the bits on the DIP switch 2 !6on the RDD’s PCB as indicated in the table, and press the push switch 4 !7to make sure that LED5 !8red goes out, indicating that the RAM has been reset8-35 13 Shift bit 6 of the DIP switch 2 !9on the RDD’s PCB to OFF8-36 service station8-37 normally8-38 w @7 q wCHAPTER MAINTENANCE AND SERVICING I. PERIODICALLY REPLACED PARTS A. Periodically Replaced PartsLower fixing separation claw II. DURABLESA. Copier B. Cassette Feeding Module-B2/Cassette Feeding Module-A2 III. PERIODICAL SERVICING Perform work according to the numberDo not use solvents or oils other than those specified IV. SERVICING CHARTclean replace lubricate adjust inspector clean Otherwise, dispose of it as nonflammable material V. NOTES ON DRUM KITDo NOT throw the drum kits into fire it can burst or explode CHAPTER TROUBLESHOOTING Guide to Troubleshooting Tables 10-1COPYRIGHT 1997 CANON INC 10-2CHAPTER 10 TROUBLESHOOTING CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON10-3 I MAINTENANCE AND INSPECTIONA. Image Adjustment Basic Procedure COPYRIGHT 1997 CANON INCCOPYRIGHT 1997 CANON INC B. Periodical Servicing10-4 CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON10-5 II. STANDARDS AND ADJUSTMENTSA. Image Adjustment 2.0±1.0mm 10-6Reference 10-7 2.5± 1.5mm4. Adjusting the Left/Right Registration 10-8Adjust the distance between the two shutters in the blanking assembly 5. Adjusting the Left/Right Margin No. 311 left/right margin10-9 Shutterpositioning 6. Adjusting the Scanning Lamp Intensity10-10 Reference7. AE Adjustment 10-11VR391 Figure 10-210 DC Controller PCB10-12 10-13 2 Press 2 on the keypad The copier indicates ‘302’service mode causes 10-14After adjustment with causes the AE copies10-15 B. Exposure System1. Routing the Scanner Drive Cable 10-16 10-17 3. Adjusting the Scanner Cable Tension4. Assembling the Mirror Positioning Tool Position B Longest pin1~5mm 10-18CHAPTER 10 TROUBLESHOOTING 60mmReference Figure 10-220 front view10-19 6. Positioning the Change Solenoid 10-20Figure 10-223a C. Image Formation System1. Positioning the Blank Shutter Solenoid Figure 10-223b3. Positioning the Solenoid for the Primary Charging Roller 2. Routing the Blank Shutter Cable10-22 Attach the spring to the outside of the sides shutter10-23 4. After Replacing the Drum Unit5. Attaching the Drum Heater 10-24 9 Connect the connector y as shown in Figure2. Orientation of the Multifeeder Pick-Up Roller D. Pick-Up/Feeding System1. Orientation of the Pick-Up Roller 10-253. Positioning the Paper Guide Plate Cam multifeeder 10-2610-27 2. Points to Note When Attaching the Heater ConnectorE. Fixing System 10-28 3. Adjusting the Fixing Film Drive Roller PressureFigure 10-236 rear view 4. Points to Note after Replacing the Fixing Upper Unit 10-29Reference 5. Adjusting the Nip10-30 10-31 6. Routing the Drive Belt7. Storing the Fixing Heater Resistance 10-32 8. Setting the Fixing Heater Temperature Control ValueFigure 10-240 Heater Stay Side Plate rear 8-1 When Replacing the Fixing Upper UnitExample 10-3310-34 10 Enter ‘4’ using the keypad, and set the copy count2. Clearing the Back-Up RAM F. Electrical1. After Replacing the PCB 10-35Reference 3. Checking the Photointerrupters10-36 Referencea. Copier 10-37Service mode by hand while10-38 Service mode10-39 b. Cassette Feeding Unit10-40 Name10-41 Name10-42 NameClear Clears settings 4. Adjusting the Multifeeder Paper Width Sensor10-43 ReferenceGovernment-R 5. Setting the Paper Size for the Universal Cassette10-44 1. Site Environment III. TROUBLESHOOTING IMAGE FAULTSA. Initial Checks 2. Checking the Originals5. Others 10-46COPYRIGHT 1997 CANON INC 10-47CHAPTER 10 TROUBLESHOOTING CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPONCHAPTER 10 TROUBLESHOOTING B. SAMPLES OF IMAGE FAULTS10-48 COPYRIGHT 1997 CANON INC10-49 C. Troubleshooting Faulty Images1. The copy is too light half-tone only 10-50 2. The copy is too light black solid also3. The copy is too light overall, extremely 10-51 Cause10-52 4. The copy has uneven density front too dark5. The copy has uneven density front too light 6. The copy is foggy overall 10-539. The copy has black lines vertical, fine 7. The copy is foggy vertical8. The copy has black lines vertical thick fuzzy lines 10-5410-55 10. The copy has white spot vertical11. The copy has white lines vertical 12. The copy has white spots horizontal 10-5613. The back of the copy is soiled 10-5710-58 14. The copy has a fixing fault15, 16, 17 The leading edge of the copy is displaced 18. The copy has a blurred image 10-59Developing assembly spacer 19. The copy is foggy horizontal10-60 20. The copy has poor sharpness 10-6110-62 21. The copy is blank22. The copy is solid black E000 IV. TROUBLESHOOTING MALFUNCTIONSA. Troubleshooting Malfunctions 10-6310-64 E001E002, E003 10-65 E004E007 10-66 E010E030 10-67 E0649. E202 keys on control panel invalidated 12. E240 10. E21011. E220 10-6815. E803 13. E26114. E710, E711, E712, E717 10-6916. AC power supply is absent 10-70Connector 17. DC power supply is absent10-71 Pin No10-72 18. The blank shutter fails to move19. The photosensitive drum fails to rotate 10-73 20. The pick-up operation fails from cassette21. The pick-up operation from the multifeeder fails 10-74 22. The scanner fails to move forward/in reverse23. The registration roller fails to rotate 10-75 24. The scanning lamp fails to turn on25. The lens fails to move 27. The pre-exposure lamp fails to turn on 28. The add paper indicator fails to turn off26. The fixing heater fails to operate 10-7629 The jam message fails to turn off 10-7710-78 V. TROUBLESHOOTING FEEDING PROBLEMSA. Jams copy paper 1. Pick-Up Assembly 10-79Delivery 2. Separation/Feeding AssemblyFixing/Delivery Assembly 2. Wrinkling B. Feeding Faults1. Double feeding 10-8110-82 VI ARRANGEMENT/FUNCTIONS OF THE ELECTRICAL PARTSA. Sensors CHAPTER 10 TROUBLESHOOTING10-83 CHAPTER 10 TROUBLESHOOTING B. Clutches, Solenoids, and Switches10-84 COPYRIGHT 1997 CANON INC10-85 CHAPTER 10 TROUBLESHOOTING C. Motors, Heaters, and Lamps10-86 COPYRIGHT 1997 CANON INC10-87 CHAPTER 10 TROUBLESHOOTING D. PCBs10-88 COPYRIGHT 1997 CANON INC10-89 NameCHAPTER 10 TROUBLESHOOTING E. Cassette Feeding Module - A210-90 COPYRIGHT 1997 CANON INC10-91 Photointerrupter10-92 F. Variable Resistors VR and Check Pins by PCB1. DC controller PCB CHAPTER 10 TROUBLESHOOTING 2. Composite power supply PCB10-93 COPYRIGHT 1997 CANON INC1. Activating Service Mode VII. SERVICE MODEB. Using Service Mode 10-945. Using Operation/Inspection Mode 2. Selecting a Service Mode4. Using Adjustment Mode 3 and Specification Mode 6. Clearing Stored Error Code7. Recording on the Service Mode Label 10-96C. Control Display Mode 10-9710-98 No. 101 Jam Location IndicatorPress 2 on the keypad and the AE key to activate I/O display mode D. I/O Mode10-99 To clear an item, press the Clear keyNo. 201/202/203/204 Port C Digital Display 10-100LED copy count indicator from 201 to 10-101 Port H DisplayLeading edge margin adjustment for E. Adjustment Mode10-102 right face in page separation timing10-103 Description10-104 DescriptionF. Operation/Inspection Mode 10-10510-106 DescriptionG. Specification Settings Mode 10-107H. Counter Mode 10-108E002 E000E001 VIII. SELF DIAGNOSIS A. CopierE007 E003E004 E010E240 E210E220 E26110-112 Clearing an Error Code back-up dataE404 E400E402 E411E500 C. Self Diagnosis sorter10-114 E51010-115 When an E code is indicatedCOPYRIGHT 1997 CANON INC 10-116CHAPTER 10 TROUBLESHOOTING CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPONAPPENDIX A. GENERAL TIMING CHART A4, 2 copies, Direct, from copier cassetteB. SIGNALS AND ABBREVIATIONS 1. Signals and AbbreviationsCANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON C. GENERAL CIRCUIT DIAGRAMCOPYRIGHT 1997 CANON INC COPYRIGHT 1997 CANON INC CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPOND. SPECIAL TOOLS E. SOLVENTS/OILS 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302 Japan Prepared byCANON INC Printed in Japan REVISION 0 MAY 1997 0797S0.7-2 This publication is printed on 70% reprocessed paperPRINTED IN JAPAN IMPRIMÉ AU JAPON