Operations; Outline - Canon GP605 Service Manual

I . OPERATIONS
A.

Outline

Table 8-101 shows the major functions of the fixing system.
Item
Fixing method
Fixing heater
Control temperature
Temperature
detection
Control
Cleaning method
Error detection
Others
COPYRIGHT © 1999 CANON INC.
Heating roller (fixing roller + pressure roller)
Main heater: used mainly for temperature control during PRINT
Sub heater: used mainly for temperature control during STBY
200˚C (during STBY)
[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
Cleaning belt roller (driven by a solenoid and one-way clutch)
[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
Table 8-101
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 8 FIXING SYSTEM
Functions
8-1