SERVICE MANUAL
FY8-13EX-000
REVISION
COPYRIGHT 1997 CANON INC
COPYRIGHT 1997 CANON INC Printed in Japan Imprimé au Japon
CANON INC
INTRODUCTION
and consumables/durables and scheduled servicing charts
System Configuration
COPYRIGHT 1997 CANON INC
1. GENERAL DESCRIPTION
CANON NP6218 REV.0 MAR. 1997 PRINTED IN JAPAN IMPRIMÉ AU JAPON
CHAPTER 2 BASIC OPERATION
CHAPTER 1 GENERAL DESCRIPTION
CONTENTS
CHAPTER 3 EXPOSURE SYSTEM
CHAPTER 4 IMAGE FORMATION SYSTEM
CHAPTER 5 PICK-UP/FEEDING SYSTEM
CHAPTER 6 FIXING SYSTEM
viii
CHAPTER 9 MAINTENANCE AND SERVICING
CHAPTER 8 INSTALLATION
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
CHAPTER 10 TROUBLESHOOTING
10.The copy has white spot
APPENDIX
CHAPTER GENERAL DESCRIPTION
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
I. FEATURES
4. Practical basic features
1. Multiple front loading and multifeeder for space saving
2. Office amenities and ecology
II. SPECIFICATIONS
A. Copier
1. Type
2. System
1. Use Canon-recommended paper
3. Features
2. Remove curling before feeding for a second time
4. Others
Table 1-201 Standard Reproduction Ratios
Operating environment
1 1 ±0.5%
B. Cassette Feeding Module-B2/Cassette Feeding Module-A2
Table 1-202 Copying Speed
III. NAMES OF PARTS
A. Exterior View
B. Cross Section
1. Body
2. Cassette Feeding Module-A2
q Cassette
r Cassette 3 pick-up roller
w Cassette
IV. OPERATION
A. Control Panel
B. Operation Mode
1-10
C. Making Two-Sided/Overlay Copies manual
1-11
1. Outline
D. User Mode
1-12
2. Common Operations a. Keys to Use in User Mode
Changing the Auto Power-Off Time
b. Operation
3. Changing the Auto Clear Time
Reference
Zoom Fine-Adjustment
1-14
Turning On and Off the Auto Cassette Change Mechanism
1-15
Cleaning the Feeder with ADF installed-option
1-16
10. Initializing User Mode
Selecting the Density Adjustment Method for Standard Mode
1-17
11. Quick Guide to User Mode
1-18
CHAPTER 1 GENERAL DESCRIPTION
COPYRIGHT 1997 CANON INC
VI. ROUTINE MAINTENANCE BY THE USER
V. WARNINGS AND ACTIONS
E. Handling the Toner Bottle
Handling the Toner Bottle
A. Outline
VII. IMAGE FORMATION
1-20
1-21
The NP6218 generates images in the following eight steps
1-22
CHAPTER 1 GENERAL DESCRIPTION
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
CHAPTER BASIC OPERATION
I. BASIC CONSTRUCTION
A. Functional Construction
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
B. Outline of the Electrical Circuitry
Sorter accessory
+24V
Transfer current
C. Basic Sequence of Operations 2 copies continuous, AE
2. Mechanism
D. Main Motor Control Circuit
1. Outline
E. Inputs to the DC Controller PCB
1. Inputs to the DC Controller PCB 1/3
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
CHAPTER 2 BASIC OPERATION
2. Inputs to the DC Controller PCB 2/3
COPYRIGHT 1997 CANON INC
3. Inputs to the DC Controller PCB 3/3
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
F. Outputs from the DC Controller PCB
1. Outputs from the DC Controller PCB 1/3
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
CHAPTER 2 BASIC OPERATION
2. Outputs from the DC Controller PCB 2/3
COPYRIGHT 1997 CANON INC
3. Outputs from the DC Controller PCB 3/3
2-10
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
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
2-11
CHAPTER 2 BASIC OPERATION
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
2-12
CHAPTER 2 BASIC OPERATION
2. Inputs to and Outputs from the 2-Cassette Unit Driver PCB 2/2
2-13
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
2-14
CHAPTER 2 BASIC OPERATION
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
CHAPTER EXPOSURE SYSTEM
I. BASIC OPERATION
II. LENS DRIVE SYSTEM
A. Varying the Reproduction Ratio
A. Outline
COPYRIGHT 1997 CANON INC
CHAPTER 3 EXPOSURE SYSTEM
Change solenoid SL1 Lens motor M3 Lens cable
1. Keeping the Lens Motor Stationary
B. Lens Motor Drive Circuit
2. Driving the Lens Motor
C. Basic Sequence of Operations lens drive system non-Direct
A. Driving the Scanner
III. SCANNING DRIVE SYSTEM
1. Outline
2. Relationship between the Scanner Sensor and Signals
3. Basic Sequence of Operations scanner
Reference
Scanner sensor
4. Driving the Scanner Motor a. Outline
b. Mechanism
Page
A. Scanner Drive Assembly
IV. DISASSEMBLY AND ASSEMBLY
1. Detaching the Scanner Drive Motor
2. Detaching the Scanner Cable
3-10
3-11
front
3. Assembling the Mirror Position Tool
3-12
4. Routing the Scanner Cable
3-13
3-14
5 Tighten the screw loosened in e, and fix the cable to the left stay
3-15
Hook Wirespring
Wirespring
Hook
3-16
6. Cleaning the Scanner No. 6 Mirror
3-17
1. Detaching the Lens Drive Motor
B. Lens Drive Assembly
3-18
3-19
6 Disconnect the two connectors y from the copier’s rear
Figure 3-421 Lens Drive Assembly
2. Routing the Lens Cable
3-20
CHAPTER 3 EXPOSURE SYSTEM
3-21
3. Adjusting the Position of the Change Solenoid
A B
3-22
CHAPTER 3 EXPOSURE SYSTEM
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
CHAPTER IMAGE FORMATION SYSTEM
Composite Power Supply PCB DC controller PCB
I. PROCESSES
A. Outline
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
B. Basic Sequence of Operations image formation system
1 AE only 2 half pre-heating control 3 full pre-heating control
4 ON pre-heating control
CHAPTER 4 IMAGE FORMATION SYSTEM
C. Controlling the Scanning Lamp
1. Outline
2. Turning On and Off the Scanning Lamp
3. Pre-Heating Control scanning lamp
Input 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
7. Fluorescent Lamp Automatic
8. Fluorescent Lamp Protection Mechanism
Correction Control ALVC control
Reference
D. Controlling the Primary Charging Roller Bias
4-10
1. Outline
drive circuit
3. Controlling the Primary Charging Roller Bias to a Constant Voltage
2. Turning On and Off the Primary Charging Roller Bias
4-11
4-12
b. Cleaning Bias
E. Controlling the Transfer Roller Bias
a. Transfer Bias
c. Reference Bias ATVC
4-14
turns on and off the transfer roller bias
6. Current Limiter Circuit cleaning bias
2. Turning On and Off the Transfer Roller Bias
3. Controlling the Transfer Bias to a Constant Voltage
5. Current Limiter Circuit transfer bias
4-16
F. Controlling the Static Eliminator Bias
1. Outline
3. Ensuring Proper Separation of Thin Paper
2. Switching the Static Eliminator Bias Voltage Level
4-17
G. Controlling Blank Exposure
4-18
1. Outline
Blanking shutter home position sensor PS3
3. Blanking Whiting Out the Leading/Trailing Edges and between Copies
2. Blanking Whiting of Non-Image Areas for Reduction
4-19
H. Controlling the Primary Corona Roller Cleaning Mechanism
2. Primary Charging Roller Cleaning Operation
4-20
Fulcrum Fulcrum Cleaning pad
4-21
I. Releasing the Transfer Roller
1. Outline
II. DEVELOPING ASSEMBLY AND CLEANING ASSEMBLY
4-22
A. Outline
Toner container
B. Controlling the Toner Level Detection
4-23
4-24
q When the Level of Toner Is Adequate
4-25
C. Controlling the Development Bias
1. Outline
3. Turning On and Off the AC Component of the Development Bias
4-26
D. Automatic Control of Copy Density
2. Control Method
4-27
1. Outline
Figure 4-207 Area Read by the AE Sensor Reference
4-28
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
3. AE Adjustment
4-29
lamp intensity automatic adjustment No. 301 during AE scans
copy density development bias slope adjustment No. 303 during AE mode
III. DISASSEMBLY AND ASSEMBLY
A. Illumination Assembly
1. Detaching the Scanning Lamp/Fluorescent Lamp Heater
4-30
u yt
4-31
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
1~5mm
60mm
4-32
60mm
Figure 4-306 front view
4-33
4-34
3. Detaching the Blank Exposure Assembly
Reference
4. Detaching the Blank Exposure Lamp
4-35
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
5. Detaching the Blank Shutter Solenoid
4-36
6. Positioning the Blank Shutter Solenoid
Figure 4-314a
Figure 4-314b
4-37
8. Positioning the Left/Right Margin
7. Routing the Blanking Cable
4-38
B. Drum Unit
1. Detaching the Drum Unit
4-39
CHAPTER 4 IMAGE FORMATION SYSTEM
2. Cleaning
4-40
1. Detaching the Primary Corona Assembly
C. Primary Corona Assembly
4-41
2. Cleaning the Cleaning Pad and the Primary Corona Roller
4-42
3. Positioning the Solenoid for the Primary Charging Roller
4-43
D. Transfer Charging Assembly
1. Detaching the Transfer Roller
2. Attaching the Drum Heater
4-44
4-45
5 Detach the transfer roller and the static eliminator
4-46
9 Connect the connector y as shown in Figure
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
1. Removing the Developing Assembly
2. Removing the Blade Assembly
E. Developing System
4-47
3. Removing the Developing Cylinder Side Seal
4-48
t r e y e
i o !0
4-49
CHAPTER 4 IMAGE FORMATION SYSTEM
4-50
6 Remove the screw !1, and remove the butting roll !2and roll case !3
7 Remove the developing cylinder !4
CHAPTER 4 IMAGE FORMATION SYSTEM
4. Installing the Side Seal and the Blade Assembly
4-51
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
4-52
3 Check that the side seal and the container are in firm contact
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT 1997 CANON INC
CHAPTER PICK-UP/FEEDING SYSTEM
I. PICK-UP/FEEDING SYSTEM
A. Outline
Multifeeder
PS3cu
Sensor No
II. PICK-UP OPERATION COPIER
A. Outline
B. Sequence of Operations pick-up/feeding assembly A4, 2 copies
CHAPTER 5 PICK-UP/FEEDING SYSTEM
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
III. PICK-UP FROM THE CASSETTE FEEDING MODULE-A2
A. Pick-Up Operation
B. Sequence of Operations cassette 2 A4, 2 copies
CHAPTER 5 PICK-UP/FEEDING SYSTEM
COPYRIGHT 1997 CANON INC
STBY
IV. MULTIFEEDER
A. Outline
B. Identifying the Size of Paper on the Multifeeder
Reference
C. Sequence of Operations multifeeder A4, 2 copies
CHAPTER 5 PICK-UP/FEEDING SYSTEM
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
V. IDENTIFYING THE CASSETTE SIZE
5-10
Reference
5-11
Guide plate horizontal Paper size lever Guide plate vertical
A. Pre-Registration Delay Jam
Figure 5-601 Pre-Registration Delay Jam Sequence
VI. IDENTIFYING JAMS
5-12
B. Pre-Registration Timing Jam
C. Pre-Registration Stationary Jam
Figure 5-602 Pre-Registration Timing Jam Sequence
Figure 5-603 Pre-Registration Stationary Jam Sequence
D. Separation Delay Jam
Figure 5-604 Separation Delay Jam Sequence
E. Separation Stationary Jam
Figure 5-605 Separation Stationary Jam Sequence
F. Delivery Delay Jam
Figure 5-606 Delivery Delay Jam Sequence
G. Delivery Stationary Jam
Figure 5-607 Delivery Stationary Jam Sequence
VII. DISASSEMBLY AND ASSEMBLY
A. Pick-Up Assembly
1. Detaching the Pick-Up Roller Unit
5-16
5-17
3 Open the lower right cover
5-18
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 copier
2. Detaching the Pick-Up Roller
5-19
4. Detaching the Pick-Up Clutch
3. Points to Note When Attaching the Pick-Up Roller
5-20
5. Detaching the Separation Pad
5-21
CHAPTER 5 PICK-UP/FEEDING SYSTEM
COPYRIGHT 1997 CANON INC
a. Pick-Up from the Cassette
6. Adjusting the Left/Right Registration
5-22
B. Multifeeder Assembly
1. Detaching the Multifeeder Assembly
5-23
CHAPTER 5 PICK-UP/FEEDING SYSTEM
2. Detaching the Multifeeder Pick-Up Roller Unit
q w e
5-24
CHAPTER 5 PICK-UP/FEEDING SYSTEM
3. Detaching the Multifeeder Pick-Up Roller
5-25
4. Points to Keep Note When Attaching the Multifeeder Pick-Up Roller
5-26
w on the collar is toward the rear
5. Detaching the Separation Pad
6. Detaching the Multifeeder Drive Unit
5-27
7. Detaching the Multifeeder Clutch
5-28
8. Positioning the Multifeeder Assembly paper guide plate cam
5-29
10. Points to Note When Attaching the Multifeeder Assembly Rack Plate
9. Adjusting the Left/Right Registration
5-30
C. Registration Roller Assembly
1. Detaching the Registration Clutch
2. Detaching the Upper Registration Roller
5-31
5-32
Take care not to misplace the springs front, rear
3 Lift the upper registration roller e to detach
CHAPTER 5 PICK-UP/FEEDING SYSTEM
3. Detaching the Lower Registration Roller
5-33
1. Detaching the Feeding Belt
D. Feeding Assembly
5-34
5-35
5 Detach the static eliminator
6 Detach the feeding spacer t from the hook arrow
CHAPTER 5 PICK-UP/FEEDING SYSTEM
E. Cassette Feeding Module
1. Detaching the Copier from the Cassette Feeding Module
2. Detaching/Attaching the Pick-Up Roller
3. Detaching the Pick-Up Clutch
CHAPTER FIXING SYSTEM
I. BASIC OPERATIONS
A. Outline
CHAPTER 6 FIXING SYSTEM
COPYRIGHT 1997 CANON INC
B. Controlling the Fixing Heater Temperature
Reference
CHAPTER 6 FIXING SYSTEM
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
C. Controlling the Supply Power for the Fixing Heater
HTRD Supply power to heater
D. Detecting Overheating at the End of the Fixing Heater
E. Protection Mechanism
1. Thermistor TH1, TH2
2. Thermal Fuse FU1
F. Correcting Displacement of the Fixing Film
1. Outline
Reference
Fixing film
unit mm Fixing film rear front Tension roller OFF Drive roller ON
Normal ON OFF rear ON OFF ON front OFF
displacement to the rear displacement to the front
Fixing belt motor M4 Tension roller rear view
2. Controlling the Fixing Film Motor
6-10
II. DISASSEMBLY AND ASSEMBLY
A. Fixing Assembly
1. Construction1
6-11
2. Detaching the Upper Fixing Unit
6-12
CHAPTER 6 FIXING SYSTEM
COPYRIGHT 1997 CANON INC
6-13
er t
6-14
CHAPTER 6 FIXING SYSTEM
COPYRIGHT 1997 CANON INC
y u t
i o!0
6-15
CHAPTER 6 FIXING SYSTEM
6-16
9 Pull out the fixing film !2toward the front
10 Detach the tension roller !3
CHAPTER 6 FIXING SYSTEM
6-17
11 Remove the screw !4, and detach the fixing film sensor !5
12 Remove the E-ring !6
CHAPTER 6 FIXING SYSTEM
9 !8 !7
@2 @1
6-18
CHAPTER 6 FIXING SYSTEM
6-19
16 Remove the two screws @3, and detach the fixing film motor unit @4
5. Points to Note When Attaching the Heater Connector
4. Points to Note When Attaching the Fixing Film
6-20
6. Points to Note When Replacing the Fixing Upper Unit
7. Adjusting the Fixing Film Drive Roller Pressure
Figure 6-220 rear view
6-21
6-22
The copier enters fixing tension roller mode
8. Detaching the Lower Fixing Unit
6-23
6-24
10. Adjusting the Lower Fixing Roller Nip
6-25
6-26
a. Measuring the Nip
Reference
B. Delivery Assembly
6-27
CHAPTER 6 FIXING SYSTEM
COPYRIGHT 1997 CANON INC
6-28
CHAPTER 6 FIXING SYSTEM
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
CHAPTER
EXTERNALS/AUXILIARY MECHANISMS
I. POWER SUPPLY
A. Outline
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
COPYRIGHT 1997 CANON INC
B. Power Supply Circuit Assembly
Reference
COPYRIGHT 1997 CANON INC
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
C. Detecting Errors in the Power Supply PCB
2. Error in the High-Voltage Output Data
3. Low-Voltage Output Data Error
4. Overcurrent in the Low-voltage Power Supply
D. Protection Mechanisms for the Power Supply Circuit
A. External Covers
II. DISASSEMBLY AND ASSEMBLY
cover
COPYRIGHT 1997 CANON INC
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
B. Control Panel
1. Detaching the Control Panel
1. Detaching the Exhaust Fan
C. Fans
7-10
D. Main Motor/Main Drive Assembly
2. Detaching the Main Drive Assembly
1. Detaching the Main Motor Unit
7-11
7-12
9 Turn the pulley i clockwise, and detach the belt o
3. Routing the Drive Belt
7-13
E. Cassette unit
1. Detaching the Pick-Up Drive Unit
7-14
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
r y r t t r
2. Detaching the Cassette Motor
q e w q
7-15
3. Detaching the Cassette Driver PCB
7-16
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
COPYRIGHT 1997 CANON INC
2. Points to Note When Replacing the DC Controller PCB
F. DC Controller PCB
1. Detaching the DC Controller PCB
7-17
1. Detaching the Composite Power Supply PCB
G. Composite Power Supply PCB
7-18
7-19
6 Remove the three screws !0, and detach the power cord mount !1
2. Points to Note When Handling the Composite Power Supply PCB
7-20
1. Points to Note When Replacing the AE Sensor
1. Points to Note When Replacing the Intensity Sensor
H. AE Sensor PCB
I. Intensity Sensor PCB
7-22
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
CHAPTER INSTALLATION
I. SELECTING THE SITE
II. UNPACKING AND INSTALLING THE COPIER
A. Unpacking and Removing Fixings
Step
Step
B. Turning On the Copier
Step
Step
C. Checking the Images and Operations
D. Attaching the Drum Unit
Check/Remarks
E. Changing the Cassette Size
8-10
A5 R A4
8-11
R A4
8-12
8-13
III. RELOCATING THE COPIER
Direct position refers to
8-14
IV. REPLACING THE DRUM UNIT
Go through the following when replacing the drum unit
8-15
Step
8-16
Step
V. INSTALLING THE CONTROL CARD IV N
8-17
8-18
10 Disconnect the copier’s dummy connector r
11 Connect the connector t of the Control Card IV N
CHAPTER 8 INSTALLATION
VI. CASSETTE HEATER KIT 5 INSTALLATION PROCE- DURE
A. Unpacking
8-19
CHAPTER 8 INSTALLATION
B. Installation to a Cassette Feeding Module-A2/B2
8-20
8-21
Screws
8-22
6 Close the cover
8-23
Copiers connector Molded member Copiers base plate
CHAPTER 8 INSTALLATION
Cassette Feeding Module-B2
8-24
Relay harness
8-25
12 Install the rear cover of the cassette pedestal and all covers
13 Install the copier’s rear cover
CHAPTER 8 INSTALLATION
VII. INSTALLING THE REMOTE DIAGNOSTIC DEVICE
8-26
A. Unpacking
y *Not used u *Not used
B. Installation to the Copier
8-27
8-28
4 Connect the cable o on the copier side and the RDD’s cable
8-29
CHAPTER 8 INSTALLATION
Modular Jack on the Right
COPYRIGHT 1997 CANON INC
8-30
1. If the ROM IC6 !2 is not mounted, you need not mount it
8-31
CHAPTER 8 INSTALLATION
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
8-32
LED1 LED2 LED3
8-33
11 Reset the RDD’s RAM
SW2-1
SW2-2
8-34
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 reset
8-35
13 Shift bit 6 of the DIP switch 2 !9on the RDD’s PCB to OFF
8-36
service station
8-37
normally
8-38
w @7 q w
CHAPTER MAINTENANCE AND SERVICING
I. PERIODICALLY REPLACED PARTS
A. Periodically Replaced Parts
A. Copier
II. DURABLES
Lower fixing separation claw
B. Cassette Feeding Module-B2/Cassette Feeding Module-A2
III. PERIODICAL SERVICING
Perform work according to the number
clean replace lubricate adjust inspector clean
IV. SERVICING CHART
Do not use solvents or oils other than those specified
Do NOT throw the drum kits into fire it can burst or explode
V. NOTES ON DRUM KIT
Otherwise, dispose of it as nonflammable material
CHAPTER TROUBLESHOOTING
Guide to Troubleshooting Tables
10-1
10-2
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
I MAINTENANCE AND INSPECTION
A. Image Adjustment Basic Procedure
10-3
COPYRIGHT 1997 CANON INC
B. Periodical Servicing
10-4
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
A. Image Adjustment
II. STANDARDS AND ADJUSTMENTS
10-5
Reference
10-6
2.0±1.0mm
10-7
2.5± 1.5mm
4. Adjusting the Left/Right Registration
10-8
5. Adjusting the Left/Right Margin No. 311 left/right margin
10-9
Adjust the distance between the two shutters in the blanking assembly
Shutter
6. Adjusting the Scanning Lamp Intensity
10-10
positioning
Reference
7. AE Adjustment
10-11
10-12
Figure 10-210 DC Controller PCB
VR391
10-13
2 Press 2 on the keypad The copier indicates ‘302’
10-14
After adjustment with
service mode causes
causes the AE copies
1. Routing the Scanner Drive Cable
B. Exposure System
10-15
10-16
3. Adjusting the Scanner Cable Tension
4. Assembling the Mirror Positioning Tool
10-17
Position B Longest pin
10-18
CHAPTER 10 TROUBLESHOOTING
1~5mm
60mm
10-19
Figure 10-220 front view
Reference
6. Positioning the Change Solenoid
10-20
C. Image Formation System
1. Positioning the Blank Shutter Solenoid
Figure 10-223a
Figure 10-223b
2. Routing the Blank Shutter Cable
10-22
3. Positioning the Solenoid for the Primary Charging Roller
Attach the spring to the outside of the sides shutter
5. Attaching the Drum Heater
4. After Replacing the Drum Unit
10-23
10-24
9 Connect the connector y as shown in Figure
D. Pick-Up/Feeding System
1. Orientation of the Pick-Up Roller
2. Orientation of the Multifeeder Pick-Up Roller
10-25
3. Positioning the Paper Guide Plate Cam multifeeder
10-26
E. Fixing System
2. Points to Note When Attaching the Heater Connector
10-27
Figure 10-236 rear view
3. Adjusting the Fixing Film Drive Roller Pressure
10-28
4. Points to Note after Replacing the Fixing Upper Unit
10-29
10-30
5. Adjusting the Nip
Reference
7. Storing the Fixing Heater Resistance
6. Routing the Drive Belt
10-31
8. Setting the Fixing Heater Temperature Control Value
Figure 10-240 Heater Stay Side Plate rear
10-32
8-1 When Replacing the Fixing Upper Unit
Example
10-33
10-34
10 Enter ‘4’ using the keypad, and set the copy count
F. Electrical
1. After Replacing the PCB
2. Clearing the Back-Up RAM
10-35
3. Checking the Photointerrupters
10-36
Reference
Reference
10-37
Service mode
a. Copier
by hand while
10-38
Service mode
10-39
b. Cassette Feeding Unit
10-40
Name
10-41
Name
10-42
Name
4. Adjusting the Multifeeder Paper Width Sensor
10-43
Clear Clears settings
Reference
10-44
5. Setting the Paper Size for the Universal Cassette
Government-R
III. TROUBLESHOOTING IMAGE FAULTS
A. Initial Checks
1. Site Environment
2. Checking the Originals
5. Others
10-46
10-47
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
B. SAMPLES OF IMAGE FAULTS
10-48
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
1. The copy is too light half-tone only
C. Troubleshooting Faulty Images
10-49
3. The copy is too light overall, extremely
2. The copy is too light black solid also
10-50
10-51
Cause
5. The copy has uneven density front too light
4. The copy has uneven density front too dark
10-52
6. The copy is foggy overall
10-53
7. The copy is foggy vertical
8. The copy has black lines vertical thick fuzzy lines
9. The copy has black lines vertical, fine
10-54
11. The copy has white lines vertical
10. The copy has white spot vertical
10-55
12. The copy has white spots horizontal
10-56
13. The back of the copy is soiled
10-57
15, 16, 17 The leading edge of the copy is displaced
14. The copy has a fixing fault
10-58
18. The copy has a blurred image
10-59
10-60
19. The copy is foggy horizontal
Developing assembly spacer
20. The copy has poor sharpness
10-61
22. The copy is solid black
21. The copy is blank
10-62
IV. TROUBLESHOOTING MALFUNCTIONS
A. Troubleshooting Malfunctions
E000
10-63
E002, E003
E001
10-64
E007
E004
10-65
E030
E010
10-66
9. E202 keys on control panel invalidated
E064
10-67
10. E210
11. E220
12. E240
10-68
13. E261
14. E710, E711, E712, E717
15. E803
10-69
16. AC power supply is absent
10-70
17. DC power supply is absent
10-71
Connector
Pin No
19. The photosensitive drum fails to rotate
18. The blank shutter fails to move
10-72
21. The pick-up operation from the multifeeder fails
20. The pick-up operation fails from cassette
10-73
23. The registration roller fails to rotate
22. The scanner fails to move forward/in reverse
10-74
25. The lens fails to move
24. The scanning lamp fails to turn on
10-75
28. The add paper indicator fails to turn off
26. The fixing heater fails to operate
27. The pre-exposure lamp fails to turn on
10-76
29 The jam message fails to turn off
10-77
A. Jams copy paper
V. TROUBLESHOOTING FEEDING PROBLEMS
10-78
1. Pick-Up Assembly
10-79
Fixing/Delivery Assembly
2. Separation/Feeding Assembly
Delivery
B. Feeding Faults
1. Double feeding
2. Wrinkling
10-81
VI ARRANGEMENT/FUNCTIONS OF THE ELECTRICAL PARTS
A. Sensors
10-82
CHAPTER 10 TROUBLESHOOTING
10-83
B. Clutches, Solenoids, and Switches
10-84
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
10-85
C. Motors, Heaters, and Lamps
10-86
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
10-87
D. PCBs
10-88
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
10-89
Name
E. Cassette Feeding Module - A2
10-90
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
10-91
Photointerrupter
1. DC controller PCB
F. Variable Resistors VR and Check Pins by PCB
10-92
2. Composite power supply PCB
10-93
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
VII. SERVICE MODE
B. Using Service Mode
1. Activating Service Mode
10-94
2. Selecting a Service Mode
4. Using Adjustment Mode 3 and Specification Mode
5. Using Operation/Inspection Mode
6. Clearing Stored Error Code
7. Recording on the Service Mode Label
10-96
C. Control Display Mode
10-97
10-98
No. 101 Jam Location Indicator
D. I/O Mode
10-99
Press 2 on the keypad and the AE key to activate I/O display mode
To clear an item, press the Clear key
LED copy count indicator from 201 to
10-100
No. 201/202/203/204 Port C Digital Display
10-101
Port H Display
E. Adjustment Mode
10-102
Leading edge margin adjustment for
right face in page separation timing
10-103
Description
10-104
Description
F. Operation/Inspection Mode
10-105
10-106
Description
G. Specification Settings Mode
10-107
H. Counter Mode
10-108
E000
E001
E002
VIII. SELF DIAGNOSIS A. Copier
E003
E004
E007
E010
E210
E220
E240
E261
10-112
Clearing an Error Code back-up data
E400
E402
E404
E411
C. Self Diagnosis sorter
10-114
E500
E510
10-115
When an E code is indicated
10-116
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
APPENDIX
A. GENERAL TIMING CHART
A4, 2 copies, Direct, from copier cassette
B. SIGNALS AND ABBREVIATIONS
1. Signals and Abbreviations
COPYRIGHT 1997 CANON INC
C. GENERAL CIRCUIT DIAGRAM
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON
COPYRIGHT 1997 CANON INC
CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN IMPRIME AU JAPON
D. SPECIAL TOOLS
E. SOLVENTS/OILS
CANON INC Printed in Japan REVISION 0 MAY 1997
Prepared by
5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302 Japan
PRINTED IN JAPAN IMPRIMÉ AU JAPON
This publication is printed on 70% reprocessed paper
0797S0.7-2