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
PDF
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Service Manual
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Device
Copying Equipment / Electrical
File
ar-m351u-ar-m451u-sm21.pdf
Date
PREV: Sharp AR-M351U / AR-M451U (serv.man20) Service Manual

Sharp AR-M351U / AR-M451U (serv.man21) Service Manual ▷ View online

AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 17
OPTION (1/1)
8
3
9
4
7
SMP-11V-BC
10
5
6
11
7
2
3
9
SMR-11V-B
4
10
5
8
1
2
11
6
SMP-18V-NC
SMR-18V-N
1
8
3
9
4
7
10
5
6
11
7
2
3
9
4
10
5
8
1
2
11
6
1
12
13
14
15
16
17
18
12
13
14
15
16
17
18
8
3
9
4
7
ELR-12V
10
5
6
11
7
2
3
9
ELP-12V
4
10
5
8
1
2
11
6
1
12
12
Power I/F PWB UN
OPTION I/F UN
AR-D27,28
AR-FN6,MS1
RES_FIN2
GND2
+24V_F
RXD_FIN2
+5V
F-GND
P-GND
S-GND
DTR_FIN2/
DSR_FIN2/
TXD_FIN2
FGS_FIN/
+24V_F
+24V_F
P-GND
P_GND
AR-FN7
GND
GND
+5VOPT
+24V4
GND
PADP-22V-1-R
CNA
VHR-5N / B5P-VH
SRA-21T-3
1
2
3
4
5
6
7
8
9
10
11
12
17
16
15
14
13
18
S_GND
(N.C)
SRA-21T-4
2
ELP-04NV
4
+5VOPT
GND
1
+24V4
GND
3
+5VOPT
GND
ELR-04V
2
1
GND
3
4
+24V4
Main body
RXD_DSK/
TXD_DSK
S-GND
GND2
+5V
P-GND
6
+24V_D
TRC_DSK
RES_DSK
DSR_DSK/
DTR_DSK/
5
4
3
2
1
11
10
9
8
7
DSR_FIN1/
DTR_FIN1/
+5V
RXD_FIN1/
RES_FIN1
P-GND
S-GND
TXD_FIN1
GND2
+24V_F
+24V_F
F-GND
1
12
11
10
9
8
7
6
5
4
3
2
B22B-PADRS
6
TXD_DSK
5
14
FGS_FIN/
RXD_FIN2/
(N.C)
2
(N.C)
11
7
16
12
19
3
GND2
18
RES_FIN1
DTR_FIN2/
21
DTR_DSK/
10
DSR_DSK/
4
13
GND2
DSR_FIN1/
15
CN11
9
(N.C)
RES_FIN2
TXD_FIN2
20
DTR_FIN1/
RES_DSK
PCU PWB
1
TXD_FIN1
RXD_DSK/
17
DSR_FIN2/
8
RXD_FIN1/
TRC_DSK/
22
B22B-PADRS / PADP-22V-1-R
CNB
14
S-GND
5
S-GND
GND
+5V
+24V_D
GND
GND
2
21
P-GND
P-GND
8
+24V_F
15
11
20
S-GND
17
4
16
19
+5V
S-GND
+24V_F
GND
P-GND
10
3
7
+24V_F
P-GND
6
22
1
13
+5V
P-GND
12
+24V_F
+24V_F
18
9
4
1
5
2
3
+24V4
2
CN6
B5P-VH
DCPS
GND
5
1
VHR-5N
4
GND
3
+5VOPT
GND
AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 18
DH-LINE (OPTION) (1/1)
2
(NC)
DH-L
2
1
CN-A
1
DH-N(SCN)
3
CN-C
(NC)
DH-L(DHSW)
B2P3-VH
SCN
2
DH-L(DHSW)
DH-L
PS-250
PS-250-R
BK
BK
CN-F
(NC)
3
B2P3-VH(BL)
1
BK
GR/YL
GR/YL
BK
WH
WH
DH-N
ELP-02V+ELR-02VF
2
1
DH-L
2
1
DESK
DH_DH1
WH
BK
ELP-02V+ELR-02V
DH-N(SCN)
2
1
DH-L(DHSW)
1
2
ELR-02VF+ELP-02V
DH-N(SCN)
WH
BK
2
1
2
1
DH-L(DHSW)
WH
DH_DH2
BK
SRA-21T-4
SRA-21T-4
AC CABLE
BK
WH
DH-N
3
B2P3-VH(BK)
DH-HEATER
   PWB
Main Body
SW1
AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 19
3. Signal name list
Signal name 
Name
Function/Operation
Connector level
Connector 
No.
Pin 
NO.
PWB 
name
Remark
L
H
+24V_PR
Power relay 24V
Power relay 24V
—
—
14
2
PCU
+5VLD
5V power for laser diode
5V power for laser diode
—
—
16
31
PCU
ADUSET
ADU detection signal
ADU detection 
With ADU
Without ADU
12
22
PCU
APIND
ADU paper entry sensor 
signal
ADU paper entry detection 
Paper pass
—
12
14
PCU
APOD
ADU paper exit sensor 
signal
Paper exit detection
Paper present
12
15
PCU
APPD1
ADU paper transport 
sensor signal 1
ADU upper-stream section 
paper pass detection
Paper pass
—
12
17
PCU
APPD2
ADU paper transport 
sensor signal 2
ADU lower-stream section 
paper pass detection
Paper pass
—
12
16
PCU
BUP_PR
Power save mode relay 
signal
Changeover between the 
power save mode and the 
normal power mode
—
—
2
14
12
14
PCU
CRUCLK
Communication CLK
CRUM communication  
CLK
—
—
5
3
PCU
CRUSDA
Communication data/
address signal
CRUM communication 
data/address signal
—
—
5
4
PCU
CSS
Paper tray insertion 
detection signal
Paper tray insertion 
detection
With tray
Without tray
13
14
PCU
DMCLK
OPC drum motor rotating 
speed control (CLK) signal
OPC drum motor rotating 
speed control
—
—
6
7
PCU
DM-T
OPC drum motor lock 
detection signal
OPC drum motor lock 
detection
Rotation
Stop/Lock
6
6
PCU
DSR_PCU
Serial communication 
control signal
Send control signal (serial 
communication)
—
—
2
25
PCU
DSW-D
ADU door sensor signal
Door open/close detection
Door open
Door close
12
21
PCU
DSW-F
Front door open/close 
detection signal
Front door open/close 
detection
Front door 
open
Front door 
close
4
6
6
9
9
15
32
1
2
1
2
1
DSW-L
Left door open/close 
detection signal
Left door open/close 
detection
Left door open
Left door 
close
4
4
27
28
PCU
DTR_PCU
Control signal for serial 
communication
Receive control signal 
(Serial communication)
—
—
2
27
PCU
DVCH1
DV unit identification 
signal 1
Installation 
acknowledgment
—
—
8
1
PCU
DVCH2
DV unit identification 
signal 2
Installation 
acknowledgment
—
—
8
2
PCU
DVCH3
DV unit identification 
signal 3
Installation 
acknowledgment
—
—
8
3
PCU
FW
AC power full wave signal Power monitor
—
—
14
1
PCU
FWP-PCU
Flash write protect signal
Flash write protect
—
—
2
29
PCU
GND2_Tnin
GND
GND
5
1
PCU
HLCNT1
Fusing roller center 
section heater lamp 
control signal
Fusing roller center 
section heating control 
OFF
ON
14
5
PCU
HLCNT2
Fusing roller both sides 
heater lamp control signal
Fusing roller both sides 
heating control
OFF
ON
14
6
PCU
HLPRout
Fusing heater lamp power 
relay control signal
Fusing heater lamp power 
relay control
Relay OFF
Relay ON
14
3
PCU
HSYNC
Horizontal sync signal
Horizontal sync
—
—
2
15
PCU
HUS-DV
Development humidity 
sensor
Humidity detection around 
the developing unit
—
—
8
11
PCU
LSU_S/H
Laser beam horizontal 
sync signal
Laser beam horizontal 
position timing control
—
—
16
8
PCU
LUD
Paper tray upper limit 
detection signal
Paper tray upper limit 
detection
—
Upper limit
13
9
PCU
LUMA
Paper tray lift-up motor 
control signal
Paper tray lift-up control
Stop
Up
13
20
PCU
LUMB
Paper tray lift-up motor 
control signal
Paper tray lift-up control
Stop
Up
13
18
PCU
AR-M351U/M451U, AR-M355U/M455U  ELECTRICAL SECTION  13 - 20
MCLUD
MP tray upper limit sensor 
signal
MP tray upper limit 
detection
—
Upper limit
10
9
PCU
MCM_T
Multi-purpose paper feed 
tray transport motor lock 
signal
Multi-purpose paper feed 
tray transport motor lock 
detection 
Rotation
Stop/Lock
10
20
PCU
MCMCLK
Multi-purpose paper feed 
tray transport motor clock 
signal
Multi-purpose paper feed 
tray transport motor 
rotating speed control
—
—
10
21
PCU
MCPED
MP tray paper empty 
sensor signal
MP tray paper empty 
detection
Paper present
—
10
8
PCU
MCPWS
MP tray width sensor 
detection
MP tray paper width 
detection
—
—
10
10
PCU
MCSET
10
16
PCU
MCSPD
MP tray paper remaining 
quantity sensor signal
MP tray paper remaining 
quantity detection
When pressed
—
10
15
PCU
MCSS1
MP tray rear edge sensor 
1 signal
MP tray rear edge size 
detection
When pressed
—
10
11
PCU
MCSS2
MP tray rear edge sensor 
2 signal
MP tray rear edge size 
detection
When pressed
—
10
12
PCU
MCSS3
MP tray rear edge sensor 
3 signal
MP tray rear edge size 
detection
When pressed
—
10
13
PCU
MCSS4
MP tray rear edge sensor 
4 signal
MP tray rear edge size 
detection
When pressed
—
10
14
PCU
MHV-T
Main charger trouble 
detection signal
Main charger trouble 
detection
Trouble/ 
Without MHV
Normal
15
13
PCU
MM-T
Main motor lock detection 
signal
Main motor lock detection
Rotation
Stop/Lock
9
8
PCU
MPED
ADU manual feed paper 
sensor signal
Manual feed tray paper 
empty detection
Paper present
—
12
19
PCU
MPFSET
Manual feed unit detection 
signal
Manual feed unit detection
Provided
Not provided
12
23
PCU
MPLD1
Manual feed paper length 
sensor signal
Manual paper feed tray 
paper length detection
—
Paper 
present
12
18
PCU
MPLS1
ADU tray pull-out sensor 
signal
Manual feed extension 
tray pull-out detection
—
Pull out
12
28
PCU
MPLS2
ADU tray storing sensor 
signal
Manual feed extension 
tray storing detection
—
Storing
12
27
PCU
MPWS
ADU manual feed paper 
width detection signal
Manual feed paper width 
detection
—
—
12
20
PCU
PAGE
Page signal
Print timing control to the 
controller (output for every 
page)
—
—
2
13
PCU
PED
Paper tray empty sensor 
signal
Paper empty detection
—
Paper empty
13
3
PCU
PMCLK
Polygon mirror motor drive 
clock signal
Polygon mirror motor drive 
clock
—
—
16
27
PCU
POD1
Paper exit detection 1 
signal
Detection of paper exit 
from the fusing section
Paper pass
—
4
4
PCU
POD2
Paper exit detection 2 
signal
Paper exit paper pass 
detection
Paper pass
—
4
10
PCU
POD3
Paper exit detection 3 
signal
Detection of paper exit to 
the upper section paper 
exit tray (Full detection)
Paper pass 
(Full detection)
—
4
16
PCU
RES_DSK
Desk reset signal
Desk reset
Operation 
enable
Reset
11
17
PCU
RES_FIN1
Finisher reset signal
Finisher reset
Operation 
enable
Reset
11
5
PCU
RES_FIN2
Finisher reset signal
Finisher reset
Operation 
enable
Reset
11
11
PCU
RES_PCU
PCU reset signal
The controller resets the 
PCU.
Operation 
enable
Reset
2
17
PCU
RTH1
Fusing roller temperature 
detection signal
Fusing roller temperature 
detection (Center section)
—
—
14
7
PCU
RTH2
Fusing roller temperature 
detection signal
Fusing roller temperature 
detection (Edge section)
—
—
14
9
PCU
Signal name 
Name
Function/Operation
Connector level
Connector 
No.
Pin 
NO.
PWB 
name
Remark
L
H
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