2GM
2-1-2
(1) Paper feed control
The following diagram shows interconnectivity of the feeding system components including the sensors and rollers. The
engine PWB provides the signals in conjunction with the electrophotography process that is driven by the main PWB.
Figure 2-1-2 Paper feed control
Main
motor
Exit
sensor
Paper
sensor
MP paper
sensor
Feed
clutch
MP feed
clutch
Registration
sensor
Registration
clutch
Engine PWB
Main motor
EXITN
MOTORN
REGDRN
RESIT
PAPERN
MPFDRN
FEDDRN
HANDSN
YC7-7
YC8-5
YC5-2
YC4-1
YC9-2
YC4-9
YC6-2
YC8-7
1 MP feed roller 3 Lower registration roller
4 Upper registration roller
5 Transfer roller 6 Heat roller 7 Lower exit roller 8 Upper exit roller
2 Feed roller
Power train
2
3
4
5
7
8
6
1
Drum
Developing
roller
MP tray
Cassette
Cassette
Fuser unit
Process unit
Toner container
Optional
paper feeder
Bias PWB
Power supply PWB
High voltage PWB
Bias PWB
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