Sharp AR-M455N Service Manual page 46

DM
4
3
6
SRA-21T-4L
SRA-21T-3
SRA-21T-4L
SRA-21T-3
Signal
Code
name
DM DM OPC drum motor
THV THV Transfer high voltage
DHV DHV High separation voltage
No. Name
1 Transfer roller
2 Discharge plate (Separation electrode)
3 TR bearing (F/R)
4 Transfer roller collar
5 After-transfer star ring
6 TR gear
AR-M355N/M455N MAINTENANCE AND DETAILS OF EACH SECTION 7 - 12
8FE-BT-VK-N
DSW-L 8
DSW-L 7
GND1
6
GND1 5
DM\ 4
DM-T
3
DMCLK\ 2
(NC) 1
5
1
1-84432-4(AMP)
DSW-F
PS-187
RD GND2
MHV RD
GND2
PS-187
DHVREM
WH
THV WH
MHVREM\
THV+PWM\
PS-187
WH GBPWM\
HV
GB
YL
DHVPWM\
THV-PWM\
PS-187
RD
DHV
BL DVREM\
DVPWM\
PS-187
THVREM\
BIAS DV GR
MHV-T
THin
Name
Drives the OPC drum and the transfer section. DC brushless motor
High voltage for transfer
High voltage for separation of paper
Transfers toner images from the OPC drum surface to paper.
Separates paper from the drum.
Transfer roller bearing
Transfer roller collar
Guides paper after transfer.
Transfer roller drive gear
5
2
4
3
CN15
9604S-14F
1 1 DSW-F
2 2 GND2
3 3 GND2
4 4 DHVREM
5 5 MHVREM\
6 6 THV+PWM\
7 7 GBPWM\
PCU PWB
8 8 DHVPWM\
9 9 THV-PWM\
10 10 DVREM\
11 11 DVPWM\
12 12 THVREM\
13 13 MHV-T
14 14 THin
Function/Operation
Function
CN6
9604S-08C
DSW-F 1
DSW-F 2
GND2
3
GND2 4
DM\ 5
DM-T
6
DMCLK\ 7
(NC) 8
Type Note