Canon Image Reader-A1 iR5000i Service Manual page 572

CONTENTS
3.3 Mounting the Drum Cleaning
Blade ........................................ 3-8T
3.4 Mounting the Developing
Blade ........................................ 3-8T
3.5 Replacing the Potential Sensor/
Potential Control PCB .............. 3-8T
4. Pickup/Feeding System .................. 3-9T
4.1 Orientation of the Deck/Cassette
Pickup Roller .......................... 3-9T
4.2 Orientation of the Deck/Cassette
Separation Roller .................. 3-10T
4.3 Orientation of the Feeding
Roller of the Deck/Cassette
Pickup Assembly .................... 3-10T
4.4 Orientation of the Pickup Roller
of the Side Paper Deck ........... 3-11T
4.5 Orientation of the Feeding Roller
of the Side Paper Deck ........... 3-12T
4.6 Adjusting the Pressure of the
Separation Roller of the Deck/
Cassette .................................. 3-13T
4.7 Adjusting the Pressure of the
Separation Roller of the Manual
Feed Tray ............................... 3-14T
4.8 Adjusting the Fixing Inlet
Guide Solenoid (SL1) ............ 3-15T
4.9 Adjusting the Position of the
Pickup Solenoid (SL3, SL4)
of the Cassette 3/4 .................. 3-16T
4.10 Adjusting the Position of the Deliv-
ery Flapper Solenoid (SL5) .. 3-17T
4.11 Adjusting the Position of the
Right Deck Pickup Solenoid
(SL6) ...................................... 3-17T
4.12 Adjusting the Position of the
Left Deck Pickup Solenoid
(SL7) ...................................... 3-18T
4.13 Adjusting the Position of the
Reversing Flapper Solenoid
(SL8) ...................................... 3-18T
4.14 Adjusting the Position of the
Fixing Web Solenoid (SL9) .... 3-19T
4.14.1 New Fixing Web ................ 3-19T
4.14.2 Existing Fixing Web .......... 3-19T
T 2
COPYRIGHT © 2001 CANON INC.
4.15 Position of the Side Paper
Deck Pickup Roller Releasing
Solenoid ................................. 3-20T
4.16 Attaching the Timing Belt of
the Manual Feed Tray
Assembly ............................... 3-20T
4.17 Attaching the Drive Belt ......... 3-21T
5. Fixing System ............................... 3-22T
5.1 Points to Note When Mounting
the Fixing Heater .................... 3-22T
5.2 Position of the Fixing Inlet
Guide ...................................... 3-22T
5.3 Adjusting the Lower Roller
Pressure (nip) ......................... 3-23T
5.3.1 Taking Measurements ...... 3-23T
5.3.2 Standards ......................... 3-23T
5.3.3 Making Adjustments ........ 3-23T
6. Laser Exposure System ................ 3-24T
6.1 When Replacing the Scanner
Unit ........................................ 3-24T
7. Electrical Parts .............................. 3-25T
7.1 When Replacing the CCD
Unit ........................................ 3-25T
7.2 When Replacing the Reader
controller PCB ........................ 3-25T
7.3 When Replacing the Main
Controller PCB ....................... 3-26T
7.4 When Replacing the HDD
Unit ........................................ 3-26T
7.5 When Replacing the DC
Controller PCB ....................... 3-27T
7.6 When Replacing the High-
Voltage PCB ........................... 3-28T
8. Checking the Surface Potential
Control System ............................. 3-29T
8.1 Outline .................................... 3-29T
8.2 Disabling the Auto Control
Mechanism ............................. 3-29T
8.3 Zero Level Check ................... 3-30T
8.3.1 Method 1 .......................... 3-30T
8.3.2 Method 2 .......................... 3-32T
8.4 Checking the Potential
System .................................... 3-35T
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001