Canon ImageRunner iR8500 Series, Service Manual, Page: 612 / 1122

Chapter 13
13-20
T-13-11
13.3.2 Scheduled Service Chart
0008-8467
/ iR8070
No. Work Checks Remarks
5 Clean the optical assembly:
- No. 1/2/3 mirror
- Dust-proof glass
- Reflecting plate
- Standard white plate Clean with a blower brush; if
dirt cannot be removed, use
alcohol.
6 Check the scanner system:
- Scanner cable
- Scanner rail Check the tension of the cable.
Clean the sliding areas, and apply
silicone oil (FY9-6011). Check the scanner cable only
after making the first 250,000
pages.
7 Check the waste toner case. If the case is more than half full,
dispose of the toner in a plastic bag.
Or, replace the case.
8 Clean the filters:
- Ozone filter
- Dust-proof filter Remove the dust from the filter
surface.
9 Clean the developing assembly:
- Developing assembly roll Clean the developing assembly roll.
10 Clean the pickup feeding assembly:
- Transfer guide (upper, lower) plate
- Registration roller (upper, lower)
- Feeding belt
- Feeding rollers
- Scanner sensor cleaning
(prism)
Clean with an air blower or dry
wipe. (Do not use solvent.)
11 Clean the fixing/delivery assembly:
- Separation claw (upper, lower)
- Feed rollers
- Inlet guide
- Web (check)
- Web oil receptacle
- Thermistor
- Sub thermistor
- Thermal switch
12 Clean the cleaner assembly:
- Side scraper
13 Clean the duplex assembly:
- Duplex horizontal registration
sensor
14 Clean the copyboard glass.
15 Make test copies.
16 Make sample copies.
17 Press the leakage breaker test switch
to make sure that it operates normally.
Thereafter, turn off the power switch,
and shift the lever to the ON side;
then, turn on the power switch. With the power switch set to ON
and, in addition, the lever [1] of the
leakage breaker in ON state, press
the test switch. If normal, the lever
should flip to the OFF side, cutting
the power. (Pay attention to its
orientation when replacing it.) If
you have replaced the leakage
breaker, be sure to make this check.
Check to make sure that the grounding is correct. Otherwise, possible leakage will not turn on the leakage breaker.
18
Put the sample copies into order, and
clean up the area around the machine.
19 Record the last counter readings.
20 Fill out the Service Book, and report
to the person in charge. Be user to describe the check on the
leakage breaker in the Service
Book.
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