Canon imageRUNNER ADVANCE C5500 Series Service Manual page 107

Control timing:
• At warm-up rotation
• At last rotation
• After executing the image stabilization control (generation of patch image on the ITB)
• When service mode is executed
Control description:
The secondary transfer cleaning bias, which has been generated on the Secondary Transfer High-Voltage PCB (UN18), is applied
to the Secondary Transfer Outer Roller.
Residual toner on the Secondary Transfer Outer Roller is attached to the ITB, and then collected by the ITB Cleaning Unit.
[4]
[5]
N Parts Name
o.
1 Secondary Transfer Roller
2 Secondary Transfer Inner Roller
3 Drive Roller
4 ITB Cleaning Blade
5 ITB Cleaning Screw
Related Service Mode
Cleaning of the Secondary Transfer Outer Roller:
COPIER > Function > CLEANING > 2TR-CLN
[3]
As well as attracting toner on the ITB to the paper, paper is fed.
Paper is fed while the tension of the ITB is maintained.
The ITB is driven. The ITB displacement is corrected.
Residual toner on the ITB is collected.
Residual toner collected in the ITB Cleaner Unit is fed.
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[2]
[1]
Roll
2. Technology