
COPYRIGHT © 1999 CANON INC.
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
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4.
Transfer charging Assembly
Cleaning Mechanism ...... 6-30
5.
Others............................. 6-31
F.
Controlling Separation Charging
............................................ 6-32
1.
Outline ............................ 6-32
2.
Correcting the Output to Suit
the Environment and the
Toner Deposit ................. 6-33
3.
Correcting the Output upon
Detection of Leakage ..... 6-34
4.
Others............................. 6-35
IV . DEVELOPING ASSEMBLY ...... 6-36
A.
Outline ................................. 6-36
B.
Controlling the Developing
Assembly ............................. 6-37
C. Controlling the Toner Cartridge
Drive Mechanism ................. 6-38
D. Controlling the Developing Bias
............................................ 6-39
E.
Detecting the Toner Level and
Controlling the Toner Supply
Mechanism .......................... 6-41
V . DRUM CLEANER UNIT ........... 6-45
A.
Outline ................................. 6-45
B.
Detecting the Waste Toner (case
full condition) ....................... 6-46
VI. CONTROLLING THE DRUM
HEATER ................................... 6-48
A.
Outline ................................. 6-48
VII . DISASSEMBLY/ASSEMBLY .... 6-49
A.
Photosensitive Drum Unit .... 6-50
1.
Points to Note When Handling
the Photosensitive Drum 6-50
2.
Removing the Photosensitive
Drum............................... 6-51
3.
Replacing the Photosensitive
Drum Heater ................... 6-53
4.
Mounting the Photosensitive
Drum Unit ....................... 6-54
B.
Parts Associated with the
Process Unit ........................ 6-55
1.
Removing the Pre-Exposure
Lamp Unit ....................... 6-55
2.
Removing the Potential
Sensor Unit..................... 6-56
3.
Removing the Primary
Charging Assembly ........ 6-57
4.
Removing the Pre-Transfer
Charging Assembly ........ 6-57
5.
Removing the Dust-Collecting
Roller .............................. 6-58
6.
Removing the Transfer/
Separation Charging
Assembly ........................ 6-58
C. Charging Wire ..................... 6-60
1.
Outline ............................ 6-60
2.
Removing the Wire Cleaner of
the Primary Charging
Assembly ........................ 6-60
3.
Removing the Wire Cleaner of
the Transfer Separation
Charging Assembly ........ 6-61
4.
Routing the Charging Wire
....................................... 6-62
5.
Routing the Grid Wire for the
Primary Charging Assembly
....................................... 6-64
6.
Adjusting the Height of the
Charging Wire ................ 6-65
D. Process Unit ........................ 6-66
1.
Removing the Process Unit
....................................... 6-66
2.
Mounting the Process Unit
....................................... 6-68
E.
Developing Assembly .......... 6-69
1.
Removing the Developing
Assembly ........................ 6-69
2.
Removing the Hopper .... 6-70
3.
Removing the Blade Unit
....................................... 6-71
4.
Mounting the Blade ........ 6-72
5.
Removing the Developing
Cylinder .......................... 6-72
F.
Drum Cleaner Unit ............... 6-75
1.
Removing the Cleaning Blade
....................................... 6-75
2.
Mounting the Cleaning Blade
....................................... 6-77
G. Separation Claw/Separation Claw
Drive Assembly ................... 6-79
CHAPTER 7 PICK-UP/FEEDING SYSTEM
I.
OUTLINE .................................... 7-1
A.
Specifications and Construction
.............................................. 7-1
B.
Arrangement of Rollers and
Sensors ................................. 7-2
II.
PICKUP ASSEMBLY .................. 7-3