C. Fixing and Delivery Unit
The upper and lower rollers of the fixing unit, and the face-up and face-down delivery rollers are
driven by the main motor (MT1).
The paper separated from the photosensitive drum is fed into the fixing unit, and sent from
the fixing unit by the fixing roller and fixing unit delivery roller.
The paper sent from the fixing unit is detected by the fixing unit delivery sensor (PS1403).
Figure 2-5-15
2 - 57
CHAPTER 2
PS1401
PS1402
PS1403

MT1

SL3
Upperfixing roller
DCcontroller PCB
PS1401:Face-down tray paper full sensor
PS1402: Face-down tray delivery sensor
PS1403: Fixing unit delivery sensor
SL3: Face-up solenoid
MT1: Main motor
Face-up
deliveryroller
Flapper
Fixing unit
deliveryroller
Lowerfixing roller
: FACE-UPSOLENOID DRIVE signal (/FUSLD)
: FACE-DOWNTRAY DELIVERY SENSE signal (FDOUTS)
: FACE-DOWNTRAY PAPER FULL SENSE signal (FDFULS)
: FIXING UNITDELIVERY SENSE signal (/FPOUTS)
: MAIN MOTORDRIVE signal (/MMOTD)
32
145
3
2
1
4
5
Face-down
delivery roller