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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
8-1
CHAPTER 8 FIXING SYSTEM
I . OPERATIONS
A. Outline
Table 8-101 shows the major functions of the fixing system.
Table 8-101
Functions
Heating roller (fixing roller + pressure roller)
Cleaning belt roller (driven by a solenoid and one-way clutch)
Main heater: used mainly for temperature control during PRINT
Sub heater: used mainly for temperature control during STBY
200˚C (during STBY)
Item
Fixing method
Temperature
detection
Control temperature
Fixing heater
Others
Error detection
Cleaning method
Control
[1] Main Thermistor for temperature control, error detection
[2] Sub Thermistor for error detection
[3] Thermal Switch for error detection
[1] Down sequence control
[2] Temperature control by mode
•Transparency mode
•Thick paper mode
[1] Temperature control error detection by a thermistor
[2] Overheating detection by a thermal switch
[1] Fixing inlet guide drive control about 1 mm (top/down)
[2] Thermistor reciprocating control 12 mm
[3] Upper separation claw reciprocating control 3 mm
[4] Fixing roller bias control +600 V