Canon GP605 Service Manual page 19

B. Scanner System ................ 13-14
1. Replacing the Scanner Drive
Cable ............................ 13-14
2. Adjusting the Scanner Mirror
Mount ............................ 13-14
3. After Replacing the Scanning
Lamp ............................. 13-14
C. Image Formation System... 13-15
1. Routing the Primary Charging
Assembly Grid Wire ...... 13-15
2. Routing the Charging
Assembly Charging Wires
...................................... 13-15
3. Mounting the Drum Cleaning
Blade ............................. 13-15
4. Mounting the Developing
Blade ............................. 13-15
5. Replacing the Potential
Sensor/Potential Control PCB
...................................... 13-15
D. Pickup/Feeding System ..... 13-18
1. Orienting the Deck/Cassette
Pickup Roller................. 13-18
2. Orienting the Deck/Cassette
Separation Roller .......... 13-19
3. Orienting the Deck/Cassette
Pickup Assembly Feeding
Roller ............................ 13-19
4. Orienting the Manual Feed
Tray/Side Paper Deck Pickup
Roller ............................ 13-20
5. Orienting the Manual Feed
Pickup Roller................. 13-21
6. Orienting the Side Paper Deck
Feeding Roller .............. 13-21
7. Adjusting the Pressure of the
Deck/Cassette Separation
Roller ............................ 13-22
8. Adjusting the Pressure of the
Manual Tray Pickup/Feeding
Roller ............................ 13-23
9. Mounting the Solenoids
...................................... 13-24
9-1. Position of the Fixing Inlet
Guide Solenoid (SL1) ... 13-25
9-2. Position of the Fixing Cleaning
Belt Solenoid (SL2) ....... 13-26
9-3. Position of the Delivery
Flapper Solenoid (SL3)
...................................... 13-27
9-4. Position of the Fixing/Feeding
Unit Locking Solenoid (SL4)
...................................... 13-27
9-5. Position of the Multifeeder
Pickup Latching Solenoid
COPYRIGHT © 1999 CANON INC. CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
(SL6) ............................. 13-28
9-6. Position of the Deck (right)
Pickup Solenoid (SL7) .. 13-29
9-7. Position of the Deck (left)
Pickup Solenoid (SL8) .. 13-30
9-8. Position of the Cassette 3/4
Pickup Solenoid (SL9/10)
...................................... 13-31
9-9. Position of the Side Paper
Deck Pickup Roller Releasing
Solenoid ........................ 13-32
10. Routing the Manual Feed Tray
Assembly Side Guide Timing
Belt ................................ 13-32
11. Routing the Drive Belt ... 13-33
E. Fixing System .................... 13-34
1. Point to Note When Mounting
the Fixing Heater .......... 13-34
2. Position of the Fixing
Assembly Inlet Guide .... 13-34
3. Adjusting the Lower Roller
Pressure (nip) ............... 13-36
F. Laser Exposure System..... 13-37
1 After Replacing the Laser Unit
...................................... 13-37
2 Checking the Laser Power
...................................... 13-38
G. Electrical Parts ................... 13-41
1 After Replacing the CCD Unit
...................................... 13-41
2 After Replacing the Image
Processor PCB ............. 13-42
3 After Replacing the MFC PCB
...................................... 13-43
4. After Replacing the Hard Disk
...................................... 13-44
5. After Replacing the DC
Controller PCB .............. 13-45
6. Checking the Surface
Potential Control System
...................................... 13-45
7. Checking the Potential
System .......................... 13-51
8. Potential Control System
Conversion Table ......... 13-53
9. Checking the Environment
Sensor .......................... 13-57
10. Checking the
Photointerrupters .......... 13-58
III . TROUBLESHOOTING IMAGE
FAULTS .................................. 13-63
A. Making Initial Checks ......... 13-63
1. Checking the Site ......... 13-63
2. Checking the Originals
...................................... 13-63
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