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
control signal
Send control
—
—
11
3
PCU
XDTR_FIN2
Serial communication
control signal
control signal
Send control
—
—
11
9
PCU
XDVPWM
Developing bias voltage
control signal (PWM)
control signal (PWM)
Developing bias PWM
control
control
—
—
15
11
PCU
XDVREM
Developing bias control
(ON/OFF) signal
(ON/OFF) signal
Developing bias ON/OFF
ON
OFF
15
10
PCU
XFGS_FIN
Finisher gate solenoid
control signal
control signal
Finisher gate solenoid
control
control
—
—
11
19
PCU
XFM1
Fan
Fan
—
—
11
20
PCU
XGBPWM
Main charger grid bias
voltage (PWM) control
signal
voltage (PWM) control
signal
Main charger grid bias
voltage (PWM) control
voltage (PWM) control
—
—
15
8
PCU
XLDON
Laser ON/OFF control
signal
signal
Laser ON/OFF control
ON
OFF
16
15
PCU
XMCDRS
MP door open/close
sensor signal
sensor signal
MP left door open/close
detection
detection
—
Door close
10
7
PCU
XMCFCL
Multi-purpose paper feed
tray transport clutch
tray transport clutch
Clutch for transport from
the MP tray
the MP tray
Paper
transport
—
10
18
PCU
XMCLUM
Multi-purpose paper feed
tray lift-up motor
tray lift-up motor
MP tray lift up
Up
Stop
10
19
PCU
XMCM
Multi-purpose paper feed
tray transport motor
control signal
tray transport motor
control signal
Multi-purpose paper feed
tray transport motor ON/
OFF control
tray transport motor ON/
OFF control
ON OFF
10
22
PCU
XMCPCL
Multi-purpose paper feed
clutch
clutch
Clutch for paper feed from
the MP tray
the MP tray
10
17
PCU
XMCPPD
MP transport sensor
signal
signal
Paper detection on the
path
path
Paper
detection
—
10
6
PCU
XMHVREM
Main charger control
signal
signal
Main charger ON/OFF
ON
OFF
15
5
PCU
XMM
Main motor control signal
Main motor ON/OFF
control
control
ON
OFF
9
7
PCU
XMPFC
ADU manual feed paper
feed clutch control signal
feed clutch control signal
Clutch for paper feed from
the manual paper feed
tray
the manual paper feed
tray
Paper feed
—
12
11
PCU
XMPFS
ADU manual feed paper
feed solenoid control
signal
feed solenoid control
signal
Solenoid for paper feed
from the manual paper
feed tray
from the manual paper
feed tray
Paper feed
—
12
12
PCU
XMSS
ADU shutter solenoid
control signal
control signal
Shutter open/close control
in manual paper feed
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
control signal
Main switch power relay
control
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)
signal (Phase A)
Paper exit unit paper
transport
transport
—
—
4
5
PCU
XPOMB
Paper exit motor control
signal (Phase B)
signal (Phase B)
Paper exit unit paper
transport
transport
—
—
4
3
PCU
XPOMXA
Paper exit motor control
signal (Phase /A)
signal (Phase /A)
Paper exit unit paper
transport
transport
—
—
4
7
PCU
XPOMXB
Paper exit motor control
signal (Phase /B)
signal (Phase /B)
Paper exit unit paper
transport
transport
—
—
4
1
PCU
XPPD1
Resist roller front paper
pass detection signal
pass detection signal
Detection of paper pass in
front of the resist roller
front of the resist roller
Paper pass
—
13
17
PCU
XPSPS
Separation solenoid
control signal
control signal
Separation solenoid
control
control
Separation
—
5
5
PCU
XREADY
LSU motor READY signal LSU motor READY
detection
—
—
16
28
PCU
XRRC
Resist roller clutch control
signal
signal
Resist roller clutch ON/
OFF control
OFF control
Paper
transport
—
13
8
PCU
XRSVOUT2
Reserved
Reserved
—
—
5
7
PCU
XSTART
Polygon mirror motor drive
start signal
start signal
Polygon mirror motor
control
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
detection signal
LSU horizontal sync
detection (BD sensor
signal)
detection (BD sensor
signal)
—
—
16
4
PCU
XTHV+PWM
Transfer charger output
control signal (THV+)
control signal (THV+)
Transfer charger output
control (PWM control)
control (PWM control)
—
—
15
6
PCU
XTHV-PWM
Transfer charger output
control signal (THV-)
control signal (THV-)
Transfer charger output
control (PWM control)
control (PWM control)
—
—
15
9
PCU
XTHVREM
Transfer charger control
signal (THV)
signal (THV)
Transfer charger ON/OFF
control
control
ON
OFF
15
12
PCU
XTRC
Paper transport roller
clutch control signal
clutch control signal
Paper transport roller ON/
OFF control
OFF control
—
—
13
12
PCU
XTRC_DSK
Paper transport timing
signal
signal
Paper transport timing
—
—
11
18
PCU
XVFM1_PWM Cooling fan control signal
Cooling fan control
Max. air flow
OFF
16
16
16
23
26
26
PCU
XVFM2PWM
Heat exhaust fan control
signal
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
detection signal
LSU horizontal sync
detection (BD sensor
signal)
detection (BD sensor
signal)
—
—
16
4
PCU
XTHV+PWM
Transfer charger output
control signal (THV+)
control signal (THV+)
Transfer charger output
control (PWM control)
control (PWM control)
—
—
15
6
PCU
XTHV-PWM
Transfer charger output
control signal (THV-)
control signal (THV-)
Transfer charger output
control (PWM control)
control (PWM control)
—
—
15
9
PCU
XTHVREM
Transfer charger control
signal (THV)
signal (THV)
Transfer charger ON/OFF
control
control
ON
OFF
15
12
PCU
XTRC
Paper transport roller
clutch control signal
clutch control signal
Paper transport roller ON/
OFF control
OFF control
—
—
13
12
PCU
XTRC_DSK
Paper transport timing
signal
signal
Paper transport timing
—
—
11
18
PCU
XVFM1_PWM Cooling fan control signal
Cooling fan control
Max. air flow
OFF
16
16
16
23
26
26
PCU
XVFM2PWM
Heat exhaust fan control
signal
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
detection signal
LSU horizontal sync
detection (BD sensor
signal)
detection (BD sensor
signal)
—
—
16
4
PCU
XTHV+PWM
Transfer charger output
control signal (THV+)
control signal (THV+)
Transfer charger output
control (PWM control)
control (PWM control)
—
—
15
6
PCU
XTHV-PWM
Transfer charger output
control signal (THV-)
control signal (THV-)
Transfer charger output
control (PWM control)
control (PWM control)
—
—
15
9
PCU
XTHVREM
Transfer charger control
signal (THV)
signal (THV)
Transfer charger ON/OFF
control
control
ON
OFF
15
12
PCU
XTRC
Paper transport roller
clutch control signal
clutch control signal
Paper transport roller ON/
OFF control
OFF control
—
—
13
12
PCU
XTRC_DSK
Paper transport timing
signal
signal
Paper transport timing
—
—
11
18
PCU
XVFM1_PWM Cooling fan control signal
Cooling fan control
Max. air flow
OFF
16
16
16
23
26
26
PCU
XVFM2PWM
Heat exhaust fan control
signal
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