Fixing/Delivery Assembly - Canon iR8500 Service Manual

CHAPTER 6 TROUBLESHOOTING

5.1.3 Fixing/Delivery Assembly

Separation claw (delivery assembly)
1) Is the separation claw worn or deformed?
YES: Perform the following:
Fixing assembly
Upper/Lower Roller
2) Is the upper/lower roller deformed or scratched?
YES: Replace the roller.
Paper guide
3) Is the paper guide soiled with toner or the like?
YES: Clean the guide with solvent.
4) Is the height (position) of the guide normal?
NO:
Nip width
5) Is the lower roller pressure (nip width) as indicated?
NO:
Delivery assembly
Web
6) Is the web taken up normally?
NO:
Sensor lever
7) Does each sensor lever move smoothly?
NO:
Delivery sensor
8) Are the outside delivery sensor (PS10) and the claw jam sensor
NO:
Delivery deflecting plate
9) Is the delivery deflecting plate oriented in the direction of delivery?
NO:
Leading edge margin
Delivery roller drive assembly
10) Does the delivery roller move smoothly?
NO:
YES: Check the leading edge of the copy paper to see if there is a mar-
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1. Replace the separation claw.
2. If soiled, clean it with solvent.
Adjust the guide.
Adjust the nip width.
Check the fixing cleaning assembly.
Adjust the lever so that it moves smoothly.
(PS6) normal?
Replace the sensor.
Correct the orientation of the delivery deflecting plate.
Check the delivery roller drive assembly.
gin.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001