Read Sharp AR-C170 (serv.man24) Service Manual online
AR-C170M DESCRIPTIONS OF EACH SECTION 7 - 8
(3) Major parts/signals functions and operations
RW: Abbreviation of Related Wiring, which means the said load is specified in the related figure of the mechanical and the electrical sec-
tions.
No.
Name
Code, signal name
Function
1
Transfer belt
—
Transfers toner images on the OPC drum onto paper.
2
Transfer roller
—
Applies a transfer voltage to the transfer belt.
3
Belt cleaning blade
—
Cleans and removes toner from the transfer belt.
4
Transfer discharge sheet
—
Discharges the transfer belt.
5
Transfer belt cleaning roller
—
Removes paper dust from the transfer belt.
6
Transfer belt drive roller
—
Drives the transfer belt.
7
Transfer belt follower roller
—
Transfer drive follower roller
8
Transfer belt cleaning brush
—
Cleans the back surface of the transfer belt.
9
Process control sensor
Monochrome: PCSK
Color: PCSC
Color: PCSC
Detects the toner patch density in image density correction.
10
Transfer waste toner tank
—
Collects waste toner on the transfer belt.
11
Transfer belt unit
RW
Belt motor
BTM
Drives the transfer belt.
RW
Calibration solenoid
CALS
Drives the shutter on the process control sensor.
RW
Waste toner full detection switch
BTNF
Detects waste toner full in the waste toner box.
RW
Belt lift-up motor
BLUM
Lifts up the transfer belt unit.
RW
Belt lift-up sensor
BLUD
Detects the position of the transfer belt unit.
RW
Control signal
TC (K, C, M, Y)
Each color transfer high voltage control signal
RW
Control signal
THV (K, C, M, Y)
Each color transfer high voltage
5
3
3
9
9
1
10
1
5
3
3
9
9
1
10
1
10
5
5
6
7
8
8
2
3
3
9
9
1
1
10
11
2
4
2
4
2
4
4
7
8
4
2
4
4
2
2
6
8
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