
imageRUNNER 8500 Service Guide
imageRUNNER 8500 Service Guide
Rev. 0
May 2001
Page 14
K.
Periodic Main
te
nance Items
!
:
clean
!
:
replace
⌧
:
lubricate
✹
:
adjust
❑
:
inspect
Unit
Part
Upon
Installation
Every
250,000
copies
Every
500,000
copies
Every
750,000
copies
Every
1,000,000
copies
Remarks
Copyboard glass
!
Ozone filter
!
!
2 pc.
Externals
Dustproof filter
!
!
5 pc.
Scanner wire
❑✹
Scanner
Scanner rail
!⌧
Mirror 1 to mirror 3
!
Dustproof glass
!
Reflector
!
Optical Unit
Standard white plate
!
Charging wire (primary)
!
!
Charging wire
(pre-transfer,
transfer/separation)
!
!
Grid wire
!
!
!
Charging assembly
shield plate
!
!
Roller electrode
!
Charging
Assembly
Pre-transfer charging
assembly LED
!
!
Photopositive drum
!
Photo-
sensitive
Drum
Drum heater friction
assembly
!⌧
Developing cylinder
❑
Developing
Assembly
Developing cylinder
member
!
Toner pan
!
Cleaner
Magnet roller
!
Inlet guide
!
Web
❑
!
Remove the slack
during installation.
Oil pan
!
Thermistor
!
!
Second thermistor
!
!
Fixing
Assembly
Thermal switch
!
Delivery
Assembly
Separation claw
(upper/lower)
!
!
(upper)
!
(lower)
Waste Toner
Receptacle
Waste toner box
❑
Check/remove
Toner Supply
Assembly
Toner supply mouth
!
Transfer guide/member
!
Registration roller
(upper/lower)
!
Feeding belt
!
Pick-up
Feeding
Assembly
Feeding rollers
!
Duplexing
Assembly
Duplex horizontal
registration sensor
!