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COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 6 FIXING SYSTEM
6-5 P
2.3 Controlling the Fixing Film Speed
F06-202-02 shows the construction of the control system used for the fixing film speed;
the speed of rotation is controlled according to the changes in the output of the fixing film
sensor (PS26).
The following signal is used:
[1] Film rotation detection signal (FSAR_ROT_D): when the fixing film is rotating, alter-
nately ‘1’ and ‘0’.
F06-202-02
E007 (fixing film rotation error)
Indicates that the film rotation detection signal cannot be detected for 6 sec
or more when the reading of the main thermistor is 100°C or higher and, in
addition, the fixing motor is rotating.
COPIER>ADJUST>FIXING>FX-FL-SP
COPIER>ADJUST>FIXING>FX-FL-TH
Use it to adjust the rotation speed of the fixing film. Blurry images caused
by a fault in the fixing assembly can at times be corrected. (Blurry images
can occur 400-some millimeters of the trailing edge.) This mode may also
be used to adjust the reproduction ratio in feed direction.
FILM_ROT_D
Fixing film
Fixing lower roller
Fixing film sensor (PS26)
DC controller PCB