Canon ImageRunner iR8500 Series Service Manual page 621

Unit Location
Grid wire (Primary)
Shielding plate
Electrode
Photosensitive Photosensitive drum
drum
Electrode for stop ring
(drum heater)
Developing Developing cylinder
assembly
Developing roll
Cleaner Side scraper
Toner receptacle
(rear/front)
Magnet roller
Fixing Inlet guide
assembly
Web
Oil receptacle
Thermistor
Sub thermistor
Thermal switch
Scanner Sensor
sensor
Prism
Waste toner Waste toner case
collecting
assembly
Pickup/ Transfer guide
feeding
Registration roller
assembly
(upper, lower)
Feeding belt
Feeding rollers
Duplex Duplex horizontal
assembly registration sensor
Duplex roller
Service interval
installation every every
500,000 1,000,000
Clean Replace
Clean Clean
Clean Clean
Clean
Clean
Lubricate
Check
Clean
Clean
Clean
Clean
Clean
Check
Clean
Check Replace
Replace
Replace
Clean
Clean
Check
Clean
Clean
Clean
Clean
Clean
Clean
Remarks
If normal temperature/
low humidity, every
400,000 pages.
If high temperature/
humidity, every
250,000,pages.
If high temperature/
humidity, every
250,000,pages.
Clean with alcohol and
drum cleaning powder
(CK-0429).
Clean the following
with alcohol; then,
apply FY9-6008 to the
dust-collecting brush:
- Electrode of slip
spring
- Wall surface of
protrusion (electrode)
- Dust-collection brush
If high temperature/
humidity, every
250,000 pages.
If high temperature/
humidity, every
250,000 pages.
Check and dispose of
the toner as necessary.
Chapter 13
13-29