Read Sharp AR-M351U / AR-M451U (serv.man11) Service Manual online
AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 12
DM
8FE-BT-VK-N
DSW-L
DM-T
DM\
5
6
DSW-L
GND1
3
2
1
4
GND1
DMCLK\
(NC)
8
7
PCU PWB
1
2
3
4
5
6
7
8
DM-T
GND2
DM\
CN6
GND2
DSW-F
DSW-F
DMCLK\
9604S-08C
(NC)
1
DVREM\
DHVREM
MHVREM\
THV+PWM\
6
4
13
14
12
GND2
3
7
8
9
10
5
GBPWM\
11
CN15
DSW-F
THin
DHVPWM\
THV-PWM\
THVREM\
2
DVPWM\
9604S-14F
GND2
MHV-T
RD
GR
BL
YL
WH
HV
1
DVREM\
DHVREM
MHVREM\
THV+PWM\
6
4
13
14
12
GND2
3
7
8
9
10
5
GBPWM\
11
DSW-F
THin
DHVPWM\
THV-PWM\
THVREM\
2
DVPWM\
1-84432-4(AMP)
GND2
MHV-T
PS-187
SRA-21T-4L
BIAS
PS-187
PS-187
PS-187
WH
WH
MHV
THV
GB
DHV
DV
RD
PS-187
SRA-21T-3
SRA-21T-4L
RD
SRA-21T-3
2
5
4
3
1
6
3
4
5
Code
Signal
name
Name
Function/Operation
Type
Note
DM
DM
OPC drum motor
Drives the OPC drum and the transfer section. DC brushless motor
THV
THV
Transfer high voltage
High voltage for transfer
DHV
DHV
High separation voltage
High voltage for separation of paper
No.
Name
Function
1
Transfer roller
Transfers toner images from the OPC drum surface to paper.
2
Discharge plate (Separation electrode)
Separates paper from the drum.
3
TR bearing (F/R)
Transfer roller bearing
4
Transfer roller collar
Transfer roller collar
5
After-transfer star ring
Guides paper after transfer.
6
TR gear
Transfer roller drive gear
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