Canon iR8500 Service Manual page 47

CONTENTS
2.4.4 Orientation of the Pickup
Roller of the Manual Feed
Tray/Side Paper Deck ........ 6-22
2.4.5 Orientation for the Feeding
Roller of the Manual Feed
Tray .................................... 6-23
2.4.6 Orientation of the Feeding
Roller of the Side Paper
Deck ................................... 6-23
2.4.7 Adjusting the Pressure of
the Separation Roller of
the Deck/Cassette .............. 6-24
2.4.8 Adjusting the Pressure of
the Pickup/Feeding Roller
of the Manual Feed Tray ... 6-25
2.4.9 Position of the Solenoids ... 6-26
2.4.10 Position of the Fixing Web
Solenoid (SL2) .................. 6-27
2.4.11 Position of the Delivery
Flapper Solenoid (SL3) ..... 6-29
2.4.12 Position of the Fixing
Feeding Unit Locking
Solenoid (SL4) .................. 6-30
2.4.13 Adjusting the Position for
the Multifeeder Pickup
Latch Solenoid (SL6) ........ 6-31
2.4.14 Position of the Deck (right)
Pickup Solenoid (SL7) ...... 6-32
2.4.15 Position of the Deck (left)
Pickup Solenoid (SL8) ...... 6-33
2.4.16 Position for the Cassette 3/4
Pickup Solenoid
(SL9/10) ............................. 6-34
2.4.17 Position of the Side Paper
Deck Pickup Roller
Releasing Solenoid ............ 6-35
2.4.18 Attaching the Timing Belt
for the Manual Feed Tray
Assembly Side Guide ........ 6-35
2.4.19 Attaching the Drive Belts .. 6-36
2.5 Fixing System .......................... 6-37
2.5.1 Points to Note When
Mounting the Fixing
Heater ................................. 6-37
xvi
3 Troubleshooting Image Faults .......... 6-74
COPYRIGHT© 2001 CANON INC.
2.5.2 Adjusting
Pressure (n
2.6 Laser Exposur
2.6.1 Replacing
2.6.2 Checking
Power .....
2.7 Items Related
Components .
2.7.1 Electrical
Requiring
Replaceme
2.7.2 Points to N
Replacing
White Pla
2.7.3 Points to N
Replacing
lamp .......
2.7.4 Points to N
Replacing
2.7.5 When Replacing the
Reader Controller PCB ...... 6-46
2.7.6 Replacing the Main
Controller PCB .................. 6-47
2.7.7 Replacing the HDD
Unit .................................... 6-47
2.7.8 Replacing the DC
Controller PCB .................. 6-48
2.7.9 After Replacing
the High-Voltage DC
PCB .................................... 6-49
2.7.10 When Replacing the Laser
Unit .................................... 6-50
2.7.11 Replacing the Potential
Sensor/Potential Control
PCB .................................... 6-50
2.7.12 Checking the Surface
Potential Control System ... 6-54
2.8 Conversion Table for
the Potential Control System ... 6-62
2.9 Checking the Environment
Sensor ....................................... 6-67
2.10 Checking
the Photointerrupters ................ 6-68
CANON iR8500 REV.0 MAR. 2001
Roller
........ 6-38
........ 6-39
nit ... 6-39
........ 6-40
l
........ 6-43
s
........ 6-43
d
........ 6-43
g
........ 6-44
nit .... 6-44