Canon ImageRunner iR8500 Series Service Manual page 614

Chapter 13
No.
5
6
7
8
9
10
11
12
13
13-22
Step
Clean the optical path:
- No. 1/2/3 mirror
- Dust-proofing glass
- Contact glass for stream
reading
- Scanner reflecting plate
- Standard white plate
Clean the scanner:
- Scanner cable
- Scanner rail
Clean the waste toner collection
case.
Clean the filters:
- Ozone filter
- Dust-proofing filter
Clean the developing assembly:
- Developing assembly member
Clean the pickup/feeding
assembly:
- Transfer guide (upper/lower)
plate
- Registration roller (upper/lower)
- Feeding belt
- Feeding rollers
Clean the fixing/delivery
assembly:
- Separation claw (upper/lower)
- Feeding rollers
- Inlet guide
- Web (check)
- Web oil pan
- Thermistor
- Sub thermistor
- Thermal switch
Clean the cleaner assembly:
- Side scarper
Clean the duplexing unit:
- Duplex horizontal registration
sensor
F-13-21
T-13-14
Wrong
T-13-15
Checks
Use a blower brush; if the
dirt is appreciable, use
alcohol.
Check the wire for tension. Check the scanner cable
Clean the slide portion, and only
apply silicone oil (FY9- at the first 250,000 copies.
6011).
If more than 50% of the
waste toner is full, dispose of
the waste toner in a plastic
bag; or, replace the waste
toner collection case.
Remove the dust collecting
on the filter surface.
Clean the developing
assembly
member.
Remarks