Secondary Transfer Mechanism; Outline - Canon MF8100 Series Service Manual

2.3.7 Secondary Transfer Mechanism

2.3.7.1 Outline

The transfer unit has a function of secondarily transferring the toner transferred primarily on the ITB onto paper.
The unit is structured with the secondary transfer roller and engaging lever, which are operated by the main motor drive.
The secondary transfer roller rotates by the motor drive. The engaging lever performs an engaging operation between the secondary transfer roller and ITB in roller
engaging control.
transport plate
<Low waste toner level>
Light guide
Light
emitter
Waste toner
Light
emitter
Stirrer
Light
receiver
<High waste toner level>
F-2-41
Waste toner
detection circuit
Light
receiver
DCNT Board
Chapter 2
0008-1716
2-27