Sharp Digital Copier Printer User Manual


 
F. Drive section
(1) Outline
The main motor drives the paper feed section, the transport section,
the image process section, and the fusing section . The main motor
drive circuit is built in the high voltage power PWB.
(2) Major parts
No.
Parts
Note
Code Name Type Function, operation
1 MM Main motor Stepping motor (+24V) Drives the paper feed section, the paper
transport section, the fusing section, and
the image process section.
2 Paper feed section drive
gear
Transmits the main motor power to the
paper feed section.
3 Imaging process/
fusing section drive gear
Transmits the main motor power to the
imaging process section and the fusing
section.
(3) Wiring diagram
2)
1)
3)
MEN
ASIC
(IC8)
MCU(PCU)PWB
MMT0
MMT1
CPU
(IC5)
1
2
3
4
MA
MA-
MB
MB-
CN804
High voltage power PWB
Main motor
Paper feed roller
Heat roller
Pressure roller
Paper exit roller
Developing cartridge
Photoconductor cartridge
Transfer roller
Motor
driver
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