DOWNLOAD Sharp AR-M351U / AR-M451U (serv.man21) Service Manual ↓ Size: 253.27 KB | Pages: 23 in PDF or view online for FREE

Model
AR-M351U AR-M451U (serv.man21)
Pages
23
Size
253.27 KB
Type
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Service Manual
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Device
Copying Equipment / Electrical
File
ar-m351u-ar-m451u-sm21.pdf
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Sharp AR-M351U / AR-M451U (serv.man21) Service Manual ▷ View online

AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 22
XDTR_FIN1
Serial communication 
control signal
Send control
11
3
PCU
XDTR_FIN2
Serial communication 
control signal
Send control
11
9
PCU
XDVPWM
Developing bias voltage 
control signal (PWM)
Developing bias PWM 
control
15
11
PCU
XDVREM
Developing bias control 
(ON/OFF) signal
Developing bias ON/OFF
ON
OFF
15
10
PCU
XFGS_FIN
Finisher gate solenoid 
control signal
Finisher gate solenoid 
control
11
19
PCU
XFM1
Fan
Fan
11
20
PCU
XGBPWM
Main charger grid bias 
voltage (PWM) control 
signal
Main charger grid bias 
voltage (PWM) control
15
8
PCU
XLDON
Laser ON/OFF control 
signal
Laser ON/OFF control
ON
OFF
16
15
PCU
XMCDRS
MP door open/close 
sensor signal
MP left door open/close 
detection
Door close
10
7
PCU
XMCFCL
Multi-purpose paper feed 
tray transport clutch
Clutch for transport from 
the MP tray
Paper 
transport
10
18
PCU
XMCLUM
Multi-purpose paper feed 
tray lift-up motor
MP tray lift up
Up 
Stop
10
19
PCU
XMCM
Multi-purpose paper feed 
tray transport motor 
control signal
Multi-purpose paper feed 
tray transport motor ON/
OFF control
ON OFF
10
22
PCU
XMCPCL
Multi-purpose paper feed 
clutch
Clutch for paper feed from 
the MP tray
10
17
PCU
XMCPPD
MP transport sensor 
signal
Paper detection on the 
path
Paper 
detection
10
6
PCU
XMHVREM
Main charger control 
signal
Main charger ON/OFF
ON
OFF
15
5
PCU
XMM
Main motor control signal
Main motor ON/OFF 
control
ON
OFF
9
7
PCU
XMPFC
ADU manual feed paper 
feed clutch control signal 
Clutch for paper feed from 
the manual paper feed 
tray
Paper feed
12
11
PCU
XMPFS
ADU manual feed paper 
feed solenoid control 
signal
Solenoid for paper feed 
from the manual paper 
feed tray
Paper feed
12
12
PCU
XMSS
ADU shutter solenoid 
control signal
Shutter open/close control 
in manual paper feed
Paper feed
12
24
PCU
XMSWMON
MSW monitor signal 
Main switch  monitor
14
13
PCU
XMSWOFF
MSW OFF signal
Main switch OFF signal
2
19
PCU
XMSWPR
Main switch power relay 
control signal
Main switch power relay 
control
Relay ON
Relay OFF
14
12
PCU
XPNC
Mechanism counter
Mechanism counter
23
1
PCU
XPOF
Power OFF status signal
Power OFF status
Power OFF
Power ON
2
20
PCU
XPOMA
Paper exit motor control 
signal (Phase A)
Paper exit unit paper 
transport
4
5
PCU
XPOMB
Paper exit motor control 
signal (Phase B)
Paper exit unit paper 
transport
4
3
PCU
XPOMXA
Paper exit motor control 
signal (Phase /A)
Paper exit unit paper 
transport
4
7
PCU
XPOMXB
Paper exit motor control 
signal (Phase /B)
Paper exit unit paper 
transport
4
1
PCU
XPPD1
Resist roller front paper 
pass detection signal
Detection of paper pass in 
front of the resist roller
Paper pass
13
17
PCU
XPSPS
Separation solenoid 
control signal
Separation solenoid 
control
Separation
5
5
PCU
XREADY
LSU motor READY signal  LSU motor READY 
detection
16
28
PCU
XRRC
Resist roller clutch control 
signal
Resist roller clutch ON/
OFF control
Paper 
transport
13
8
PCU
XRSVOUT2
Reserved
Reserved
5
7
PCU
XSTART
Polygon mirror motor drive 
start signal
Polygon mirror motor 
control
ON
OFF
16
25
PCU
Signal name 
Name
Function/Operation
Connector level
Connector 
No.
Pin 
NO.
PWB 
name
Remark
L
H
AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 23
*1: Multi paper feed tray vertical size detection
*2: Options
XSYNC
LSU horizontal sync 
detection signal 
LSU horizontal sync 
detection (BD sensor 
signal)
16
4
PCU
XTHV+PWM
Transfer charger output 
control signal (THV+)
Transfer charger output 
control (PWM control)
15
6
PCU
XTHV-PWM
Transfer charger output 
control signal (THV-)
Transfer charger output 
control (PWM control)
15
9
PCU
XTHVREM
Transfer charger control 
signal (THV)
Transfer charger ON/OFF 
control
ON
OFF
15
12
PCU
XTRC
Paper transport roller 
clutch control signal 
Paper transport roller ON/
OFF control
13
12
PCU
XTRC_DSK
Paper transport timing 
signal
Paper transport timing
11
18
PCU
XVFM1_PWM Cooling fan control signal
Cooling fan control
Max. air flow
OFF 
16
16
23
26
PCU
XVFM2PWM
Heat exhaust fan control 
signal
Heat exhaust fan control 
Max. air flow
OFF
4
22
PCU
XVIDEO
Image signal
Image signal to the LSU
16
14
PCU
Vertical size detection: Connector level
Paper size
Multi paper feed tray 1
M1SS1
M1SS2
M1SS3
M1SS4
AB series
Inch series
China series
Multi paper feed tray 2
M2SS1
M2SS2
M2SS3
M2SS4
1
L
L
H
L
B5
Extra
K16
2
H
L
H
L
A4
A5R
LT
INVR
A4
A5R
3
H
L
L
L
B5R
EX-R
K16R
4
H
H
L
L
A4R
LTR
A4R
5
L
H
L
L
Foolscap
Extra
Foolscap
6
L
H
L
H
B4
LGL
K8
7
L
L
L
H
A3
WLT
0
H
H
H
H
Tray not installed
No.
CV_SIZE3
CV_SIZE2
CV_SIZE1
CV_SIZE0
Paper size
0
0
0
0
0
none
1
0
0
0
1
A3
2
0
0
1
0
A4
3
0
0
1
1
LT
4
0
1
0
0
B4
5
0
1
0
1
LG
6
0
1
1
0
WLT
7
0
1
1
1
INV
8
1
0
0
0
B5
9
1
0
0
1
Extra
10
1
0
1
0
A5
11
1
0
1
1
F4
12
1
1
0
0
A4R
13
1
1
0
1
B5R
14
1
1
1
0
LTR
15
1
1
1
1
A5R
Signal name 
Name
Function/Operation
Connector level
Connector 
No.
Pin 
NO.
PWB 
name
Remark
L
H
AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 23
*1: Multi paper feed tray vertical size detection
*2: Options
XSYNC
LSU horizontal sync 
detection signal 
LSU horizontal sync 
detection (BD sensor 
signal)
16
4
PCU
XTHV+PWM
Transfer charger output 
control signal (THV+)
Transfer charger output 
control (PWM control)
15
6
PCU
XTHV-PWM
Transfer charger output 
control signal (THV-)
Transfer charger output 
control (PWM control)
15
9
PCU
XTHVREM
Transfer charger control 
signal (THV)
Transfer charger ON/OFF 
control
ON
OFF
15
12
PCU
XTRC
Paper transport roller 
clutch control signal 
Paper transport roller ON/
OFF control
13
12
PCU
XTRC_DSK
Paper transport timing 
signal
Paper transport timing
11
18
PCU
XVFM1_PWM Cooling fan control signal
Cooling fan control
Max. air flow
OFF 
16
16
23
26
PCU
XVFM2PWM
Heat exhaust fan control 
signal
Heat exhaust fan control 
Max. air flow
OFF
4
22
PCU
XVIDEO
Image signal
Image signal to the LSU
16
14
PCU
Vertical size detection: Connector level
Paper size
Multi paper feed tray 1
M1SS1
M1SS2
M1SS3
M1SS4
AB series
Inch series
China series
Multi paper feed tray 2
M2SS1
M2SS2
M2SS3
M2SS4
1
L
L
H
L
B5
Extra
K16
2
H
L
H
L
A4
A5R
LT
INVR
A4
A5R
3
H
L
L
L
B5R
EX-R
K16R
4
H
H
L
L
A4R
LTR
A4R
5
L
H
L
L
Foolscap
Extra
Foolscap
6
L
H
L
H
B4
LGL
K8
7
L
L
L
H
A3
WLT
0
H
H
H
H
Tray not installed
No.
CV_SIZE3
CV_SIZE2
CV_SIZE1
CV_SIZE0
Paper size
0
0
0
0
0
none
1
0
0
0
1
A3
2
0
0
1
0
A4
3
0
0
1
1
LT
4
0
1
0
0
B4
5
0
1
0
1
LG
6
0
1
1
0
WLT
7
0
1
1
1
INV
8
1
0
0
0
B5
9
1
0
0
1
Extra
10
1
0
1
0
A5
11
1
0
1
1
F4
12
1
1
0
0
A4R
13
1
1
0
1
B5R
14
1
1
1
0
LTR
15
1
1
1
1
A5R
Signal name 
Name
Function/Operation
Connector level
Connector 
No.
Pin 
NO.
PWB 
name
Remark
L
H
AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 23
*1: Multi paper feed tray vertical size detection
*2: Options
XSYNC
LSU horizontal sync 
detection signal 
LSU horizontal sync 
detection (BD sensor 
signal)
16
4
PCU
XTHV+PWM
Transfer charger output 
control signal (THV+)
Transfer charger output 
control (PWM control)
15
6
PCU
XTHV-PWM
Transfer charger output 
control signal (THV-)
Transfer charger output 
control (PWM control)
15
9
PCU
XTHVREM
Transfer charger control 
signal (THV)
Transfer charger ON/OFF 
control
ON
OFF
15
12
PCU
XTRC
Paper transport roller 
clutch control signal 
Paper transport roller ON/
OFF control
13
12
PCU
XTRC_DSK
Paper transport timing 
signal
Paper transport timing
11
18
PCU
XVFM1_PWM Cooling fan control signal
Cooling fan control
Max. air flow
OFF 
16
16
23
26
PCU
XVFM2PWM
Heat exhaust fan control 
signal
Heat exhaust fan control 
Max. air flow
OFF
4
22
PCU
XVIDEO
Image signal
Image signal to the LSU
16
14
PCU
Vertical size detection: Connector level
Paper size
Multi paper feed tray 1
M1SS1
M1SS2
M1SS3
M1SS4
AB series
Inch series
China series
Multi paper feed tray 2
M2SS1
M2SS2
M2SS3
M2SS4
1
L
L
H
L
B5
Extra
K16
2
H
L
H
L
A4
A5R
LT
INVR
A4
A5R
3
H
L
L
L
B5R
EX-R
K16R
4
H
H
L
L
A4R
LTR
A4R
5
L
H
L
L
Foolscap
Extra
Foolscap
6
L
H
L
H
B4
LGL
K8
7
L
L
L
H
A3
WLT
0
H
H
H
H
Tray not installed
No.
CV_SIZE3
CV_SIZE2
CV_SIZE1
CV_SIZE0
Paper size
0
0
0
0
0
none
1
0
0
0
1
A3
2
0
0
1
0
A4
3
0
0
1
1
LT
4
0
1
0
0
B4
5
0
1
0
1
LG
6
0
1
1
0
WLT
7
0
1
1
1
INV
8
1
0
0
0
B5
9
1
0
0
1
Extra
10
1
0
1
0
A5
11
1
0
1
1
F4
12
1
1
0
0
A4R
13
1
1
0
1
B5R
14
1
1
1
0
LTR
15
1
1
1
1
A5R
Signal name 
Name
Function/Operation
Connector level
Connector 
No.
Pin 
NO.
PWB 
name
Remark
L
H
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Sharp AR-M351U / AR-M451U (serv.man21) Service Manual ▷ Download