Canon ImageRunner iR8500 Series Service Manual page 623

Unit Location
upon
installatio
n
Standard white Clean
plate
Charging Charging wire Clean
assembly (primary)
Charging wire Clean
(pre-transfer,
transfer/
separation)
Grid wire Clean
(primary)
Charging Clean
assembly
shielding plate
Electrode Clean
Photosensit Photosensitive
ive drum
drum
Electrode (stop
ring for drum
heater)
Developing Developing Check
assembly assembly
cylinder
Developing
assembly
roller
Cleaner Side scraper
Toner pan
(rear/front)
Magnet roller
assembly Inlet guide
Web Check
Oil pan
Thermistor
Sub thermistor
Sub thermistor
Delivery Delivery
assembly assembly
Waste Waste toner box
toner
collection
assembly
Pickup/ Transfer guide
feeding
assembly
Registration
roller (upper/
lower)
Feeding belt
Feeding rollers
Duplexing Duplex
assembly horizontal
registration
sensor
Interval
every every every
250,000 500,000 750,000
Clean
Replace
Replace
Clean Replace
Clean
Clean
Clean
Clean
Lubr icat
Clean
Clean
Clean
Clean
Clean
Clean
Clean Replace
Clean Replace
Replace
Clean
Check
Clean
Clean
Clean
Clean
Clean
Remarks
Use alcohol (C-17) +
drum Cleaning powder
(CK-0429).
Clean the following with
alcohol; then, apply
FY9-6008 on the charge
collecting brush:
- Electrode of slip ring
- Wall surface of
protrusion on electrode
- Charge collecting brush
Check/remove.
Chapter 13
13-31