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COPYRIGHT
©
2000 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
xi
II. FIXING DRIVE SYSTEM ............ 8-5
A. Outline ................................... 8-5
B. Controlling the Fixing Roller Drive
Mechanism ............................ 8-6
C. Controlling the Cleaning Belt
Drive Mechanism ...................8-8
D. Controlling the Fixing Inlet Guide
Drive Mechanism ...................8-9
E. Controlling the Thermistor
Reciprocating Mechanism ... 8-10
F. Controlling the Upper Separation
Claw Reciprocating Mechanism
............................................ 8-11
III. CONTROLLING THE FIXING
TEMPERATURE ...................... 8-12
A. Outline ................................. 8-12
B. Down Sequence Control ..... 8-13
C. Controlling Temperature by Mode
............................................ 8-14
1. Transparency Mode ....... 8-15
2. Thick Paper Mode .......... 8-16
3. Power Save Mode .......... 8-17
D. Error Detection .................... 8-18
IV. CONTROLLING THE FIXING
ROLLER BIAS .......................... 8-24
A. Outline ................................. 8-24
V. DISASSEMBLY/ASSEMBLY.... 8-25
A. Fixing Assembly .................. 8-26
1. Removing the Fixing
Assembly ........................ 8-26
B. Fixing Roller Cleaning Assembly
............................................ 8-29
1. Removing the Fixing Cleaning
Belt ................................. 8-29
2. Mounting the Fixing Cleaning
Belt ................................. 8-31
C. Fixing Heater and Control Parts
............................................ 8-32
1. Removing the Main/Sub
Heater............................. 8-32
2. Mounting the Main/Sub
Heater............................. 8-33
3. Removing the Thermal Switch
....................................... 8-34
4. Removing the Main
Thermistor ...................... 8-35
5. Removing the Sub Thermistor
....................................... 8-36
D. Fixing Roller Assembly ........8-37
1. Removing the Upper Fixing
Roller .............................. 8-37
2. Mounting the Upper Fixing
Roller .............................. 8-39
3. Removing the Lower Fixing
Roller .............................. 8-40
4. Adjusting the Nip ............ 8-40
E. Separation Claw Assembly . 8-42
1. Removing the Upper
Separation Claw ............. 8-42
2. Removing the Lower
Separation Claw ............. 8-42
F. Delivery Assembly ............... 8-43
1. Removing the External
Delivery Roller ................ 8-43
2. Removing the Internal
Delivery Roller ................ 8-44
3. Removing the Delivery Speed
Switch Clutch.................. 8-45
G. Paper Sensors..................... 8-46
1. Removing the Claw Jam
Sensor ............................ 8-46
2. Removing the External
Delivery Roller ................ 8-46
3. Removing the Internal
Delivery Sensor .............. 8-46
4. Removing the Reversal
Sensor ............................ 8-47
5. Removing the Fixing/Feeding
Unit Outlet Sensor .......... 8-47
CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS
I. CONTROL PANEL ..................... 9-1
A. Outline ................................... 9-1
II. DOWNLOADING ........................9-2
A. Outline ................................... 9-2
III. COUNTERS ............................... 9-4
IV. FANS .......................................... 9-6
A. Arrangement, Functions, and
Error Codes ........................... 9-6
B. Sequence of Operations........ 9-8
1. 2-Speed Control ............... 9-8
2. Sequence of Operations... 9-9
V. POWER SUPPLY ..................... 9-10
A. Outline of the Power Supply
............................................ 9-10
B. Turning on the Power .......... 9-12
1. Outline ............................9-12