Canon ImageRunner iR8500 Series Service Manual page 342

Chapter 8
Cleaner unit
Main motor
Drum rotation
Scanner motor
Scanning lamp
Pre-exposure
Primary charging
Image exposure
Development
Pre-transfer charging
Pre-transfer exposure
Transfer
Separation
Fixing
Unit/location Changes to GP605
Photosensitive
drum
8-2
Primary charging assembly
Pre-exposure LED
Separation charging assembly
Initial multiple
Main
rotation
End
power ON
started
WMUP WMUPR STBY
Voltage
Cylinder
rotation
Roller application
voltage
Roller
rotation
Main
heater
Sub
heater
(iR600)
Increased the
charging capacity of
the photopositive
drum.
Potential sensor
Pre-transfer charging assembly
Transfer guide
Transfer charging assembly
F-8-1
Image
Start key Trailing
Leading edge
ON leading edge
edge
Forward Reverse
Cylinder 1 cycle
100msec
F-8-2
T-8-2
Purpose of change
To support higher speed
of operation.
Toner cartridge
Hopper
Developing assembly
Dust-collecting roller
Pre-transfer exposure LED
Trailing
Copying Control panel
edge ended power OFF
100msec
Remarks Reference