AR-M550 (serv.man21). (14) Signal name list — Sharp Copying Equipment Service Manual (repair manual)

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AR-M550 (serv.man21)
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Copying Equipment / (14) Signal name list
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ar-m550-sm21.pdf
Date

View Sharp AR-M550 (serv.man21) Service Manual online

AR-M550/M620  SIGNAL NAME LIST  14 - 1
[14] SIGNAL NAME LIST
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
/MIMA
Scanner motor control signal 
(Phase /A)
Scanner motor control (Phase /
A)
7
3
SCN
/MIMB
Scanner motor control signal 
(Phase /B)
Scanner motor control (Phase /
B)
7
4
SCN
/SLUMB
SPF paper feed tray lift-up 
motor control signal (Phase /B)
SPF paper feed tray lift-up 
motor control (Phase /B)
11
2
SCN
/SLUMA
SPF paper feed tray lift-up 
motor control signal (Phase /A)
SPF paper feed tray lift-up 
motor control (Phase /A)
11
1
SCN
/SPFMA
SPF motor control signal 
(Phase /A)
SPF motor control (Phase /A)
12
11
SCN
/SPFMB
SPF motor control signal 
(Phase /B)
SPF motor control (Phase /B)
12
15
SCN
/VIDEO
Image data signal
Image signal to LSU (PCU 
output)
22
23
PCU
38VMON
38V monitor signal
Detection of 38V for interlock
OFF
ON
19
14
PCU
ACMON
AC waveform monitor signal
SUB power source AC wave 
high value monitor (For heater 
lamp ON control) (Phase 
control)
1
3
PCU
ADD_CCD1
CCD serial data area 
identification number (CCD)
Identification of address data 
and image data area in CCD 
serial data
1
66
SCN
ADD_CCD2
CIS serial data area 
identification number (CIS)
Identification of address data 
and image data area in CIS 
serial data
10
13
SCN
ADM1A
Duplex (ADU) motor 1 
(Upstream side) control signal 
(Phase A)
Duplex (ADU) motor 1 
(Upstream) control (Phase A)
10
9
PCU
ADM1B
Duplex (ADU) motor 1 
(Upstream side) control signal 
(Phase B)
Duplex (ADU) motor 1 
(Upstream) control (Phase B)
10
11
PCU
ADM1XA
Duplex (ADU) motor 1 
(Upstream side) control signal 
(Phase /A)
Duplex (ADU) motor 1 
(Upstream) control (Phase /A)
10
10
PCU
ADM1XB
Duplex (ADU) motor 1 
(Upstream side) control signal 
(Phase /B)
Duplex (ADU) motor 1 
(Upstream) control (Phase /B)
10
12
PCU
ADM2A
Duplex (ADU) motor 2 
(Downstream side) control 
signal (Phase A)
Duplex (ADU) motor 2 
(Upstream) control (Phase A)
10
13
PCU
ADM2B
Duplex (ADU) motor 2 
(Downstream side) control 
signal (Phase B)
Duplex (ADU) motor 2 
(Upstream) control (Phase B)
10
15
PCU
ADM2XA
Duplex (ADU) motor 2 
(Downstream side) control 
signal (Phase /A)
Duplex (ADU) motor 2 
(Upstream) control (Phase /A)
10
14
PCU
ADM2XB
Duplex (ADU) motor 2 
(Downstream side) control 
signal (Phase /B)
Duplex (ADU) motor 2 
(Upstream) control (Phase /B)
10
16
PCU
AINPD
Duplex (ADU) paper entry 
detection signal
Duplex (ADU) paper entry 
detection, detection of paper 
exit to finisher
Paper pass
7
28
PCU
APPD1
Duplex (ADU) paper pass 
detection signal 1
Duplex (ADU) upstream paper 
pass detection
Paper pass
7
24
PCU
APPD2
Duplex (ADU) paper pass 
detection signal 2
Duplex (ADU) midstream 
paper pass detection
Paper pass
7
26
PCU
ADU
Auditor installation detection 
signal
Auditor installation detection
Counter 
available
5
5
SCN
BUP-PRout
Power save mode relay signal
Selection of power save mode 
and normal power mode
Relay OFF
Relay ON
19
9
PCU
BZR
Buzzer signal
Key touch sound buzzer signal
Ring
1
86
SCN
CA
Clear all (Auditor) signal
Clear all (Auditor)
Clear
5
3
SCN
CCDFAN
CCD fan motor control signal
CCD fan motor control
ON
1
17
SCN
Not used.
AR-M550/M620  SIGNAL NAME LIST  14 - 2
CCFT
Backlight control signal
Backlight control
ON
1
94
SCN
CFM-DC1
Cooling fan motor control 
signal (Power source)
Power cooling fan motor 
control
Max. force 
of wind
Stop
19
3
PCU
CFM-DC2
Cooling fan motor control 
signal (Power source)
Power cooling fan motor 
control
Max. force 
of wind
Stop
19
4
PCU
CFM-DV
Cooling fan motor control 
signal (Developing)
Developing cooling fan motor 
control
Max. force 
of wind
Stop
7
3
PCU
CFM-R1
Cooling fan motor control 
signal (LSU/Process section)
Cooling fan motor control 
(LSU, process section)
Max. force 
of wind
Stop
21
3
PCU
CFM-R2
Cooling fan motor control 
signal (LSU/Process section)
Cooling fan motor control 
(LSU, process section)
Max. force 
of wind
Stop
21
4
PCU
CFM-R3
Cooling fan motor control 
signal (LSU/Process section)
Cooling fan motor control 
(LSU, process section)
Max. force 
of wind
Stop
21
9
PCU
CFM-U1
Cooling fan motor control
Cooling fan motor control 
(LSU, process section)
Max. force 
of wind
Stop
5
21
PCU
CFM-U2
Cooling fan motor control 
signal (Paper exit, duplex 
(ADU) section) (Paper exit 
section rear side)
Paper exit, duplex (ADU) 
section cooling
Max. force 
of wind
Stop
5
28
PCU
CFM-U3
Cooling fan motor control 
signal (Paper exit, duplex 
(ADU) section) (Front surface)
Paper exit, duplex (ADU) 
section cooling
Max. force 
of wind
Stop
5
27
PCU
CHVACPWM High voltage control output 
(Separation charger) (CHV)
Separation charger AC 
component PWM control
15
12
PCU
CHVACREM High voltage control output 
(Separation charger) (CHV)
Separation charger AC 
component ON/OFF control
ON
OFF
15
13
PCU
CHV-PWM
High voltage control output 
(Separation charger) (CHV)
Separation charger DC 
component PWM control
15
10
PCU
CHV-REM
High voltage control output 
(Separation charger) (CHV)
Separation charger DC 
component ON/OFF control
ON
OFF
15
11
PCU
CISSET
CIS identification signal
CIS unit installation detection
CIS 
available
10
26
SCN
CISTH
CIS temperature detection 
signal
CIS temperature detection
13
1
SCN
Not used.
CL1
Scanner lamp control signal
Scanner lamp control
ON
1
71
SCN
CLK_CCD1
CCD serial data clock signal 
(CCD)
CD serial data output timing 
control (CCD)
1
62
SCN
CLK_CCD2
CIS serial data clock signal 
(CIS)
CIS serial data output timing 
control (CIS)
10
11
SCN
COPY
Copy status (Auditor)
Copy status signal (Auditor)
Copying
5
2
SCN
CRUCLK
Communication CLK
CRUM communication CLK
11
6
PCU
CRUSDA
Communication data address 
signal
CRUM communication data 
address signal
11
8
PCU
CV_CA
Clear all signal (Coin vendor)
Clear all (Coin vendor)
Clear
4
6
SCN
CV_COPY
Copy enable signal (Coin 
vendor)
Copy enable (Coin vendor)
Copy 
enable
4
3
SCN
CV_COUNT
Count up signal (Coin vendor)
Count-up (Coin vendor)
Count UP
4
4
SCN
CV_DUPLEX Print count identification signal 
(Duplex mode) (For coin 
vendor)
Print count identification signal 
(Duplex mode) (For coin 
vendor) (Identification of single 
count or double count)
Duplex 
mode
4
8
SCN
CV_SIZE0
Paper size signal 0 (Coin 
vendor)
Paper size 0 (Coin vendor)
4
9
SCN
Refer to the 
separate 
table (
2)
CV_SIZE1
Paper size signal 1 (Coin 
vendor)
Paper size 1 (Coin vendor)
4
10
SCN
CV_SIZE2
Paper size signal 2 (Coin 
vendor)
Paper size 2 (Coin vendor)
4
11
SCN
CV_SIZE3
Paper size signal 3 (Coin 
vendor)
Paper size 3 (Coin vendor)
4
12
SCN
CV_STAPLE Staple mode signal (Coin 
vendor)
Staple mode identification 
(Coin vendor)
Staple 
mode
4
7
SCN
CV_START
Copy start signal (Coin vendor) Copy start status (Coin vendor)
Copy start
4
5
SCN
DCCNT
DC power control signal
DC power ON/OFF
OFF
ON
9 — 8
19 — 24
PCU
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
AR-M550/M620  SIGNAL NAME LIST  14 - 3
DGS
Paper exit gate solenoid 
control signal
Paper exit gate control
Duplex Simplex
7
27
PCU
DL
Discharge lamp control signal 
Discharge lamp control
ON
OFF
8
9
PCU
DM
OPC drum motor rotating 
speed control signal (ON/OFF)
OPS drum motor ON/OFF
ON
OFF
6
5
PCU
DMCLK
OPC drum motor rotating 
speed control (CLK) signal
OPC drum motor RPM control
6
7
PCU
DMS
OPC drum marking sensor 
signal
OPC drum mark detection
8
4
PCU
DMS-LED
OPC drum marking sensor 
LED control signal
OPC drum marking LED light 
quantity control
8
2
PCU
DM-T
OPC drum motor lock detection 
signal
OPC drum motor lock detection
Rotation
Stop/Lock
6
9
PCU
DSKPFC1
Paper feed tray 3/4 paper 
transport clutch control signal 1
Paper feed tray 3/4 paper 
transport control
Paper 
transport
16
26
PCU
DSKPFC2
Paper feed tray 3/4 paper 
transport clutch control signal 2
Paper feed tray 3/4 paper 
transport control
Paper 
transport
17
8
PCU
DSR_FIN
Serial communication control 
signal
Receive control
17
17
PCU
DSR_LCC
Serial communication control 
signal
Receive control
18
9
PCU
DSR_SCN
Serial I/F send enable (MFP)
Receive control
9
46
SCN
DSW-ADU
Duplex (ADU) cover open/
close detection signal
Duplex (ADU) cover open/
close detection
Duplex 
(ADU) door 
open
Duplex 
(ADU) door 
close
7
25
PCU
DSW-DSK
Left door open/close detection 
signal (Desk section)
Left door open/close detection 
(Desk section)
Desk left 
door open
Desk left 
door close
17
28
PCU
DSW-F_HV
DC low voltage power (+24V) 
line signal for generating high 
voltage
High voltage power source 
(+24V)
High 
voltage 
available
15
1
PCU
DSW-F
Front door open/close 
detection signal
Front door open/close 
detection
Left door 
open or 
Front door 
open
Left door 
close
 and Front 
door close
2
28
PCU
DSW-L
Left door open/close detection 
signal
Left door open/close detection
Left door 
open
Left door 
close
7
32
PCU
DSW-R
Manual feed open/close 
detection signal
Manual feed open/close 
detection
Left door 
open or 
Front door 
open or 
manual unit 
pull-out
Left door 
close
 and Front 
door close
and manual 
unit 
insertion
13
26
PCU
DTR_FIN
Serial communication control 
signal
Send control
17
15
PCU
DTR_LCC
Serial communication control 
signal
Send control
18
7
PCU
DTR_SCN
Serial I/F receive enable signal 
(MFP)
Send control
9
9
SCN
DVCH1
DV unit identification signal 1
Detection of installation
12
6
PCU
DVM
Developing motor control 
signal
Developing motor ON/OFF
ON
OFF
6
6
PCU
DVMCLK
Developing motor rotating 
speed control (CLK) signal
Developing motor control RPM 
control
6
8
PCU
DVM-T
Developing motor lock 
detection signal
Developing motor lock 
detection
Rotation
Stop/Lock
6
10
PCU
DVPWM
Developing bias voltage control 
signal (PWM)
Developing bias PWM control
15
14
PCU
DVREM
Developing bias control (ON/
OFF) signal
Developing bias ON/OFF
ON
OFF
15
15
PCU
F0
Operation panel LED matrix 
signal 0
Switching
1
78
SCN
F1
Operation panel LED matrix 
signal 1
Switching
1
80
SCN
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
AR-M550/M620  SIGNAL NAME LIST  14 - 4
F2
Operation panel LED matrix 
signal 2
Switching
1
82
SCN
F3
Operation panel  LED matrix 
signal 3
Switching
1
84
SCN
FBIAS
Fusing bias output control 
signal
Fusing bias output ON/OFF 
control
ON
OFF
7
23
PCU
FRDY
FAX LED lighting signal
LED lighting control in power 
save mode, iFAX, FAX 
nighttime mode
LED ON
9
14
SCN
FRM_CCD1
CCD image data effective area 
signal (CCD)
CCD image data effective area 
control (CCD)
1
61
SCN
FRM_CCD2
CIS image data effective area 
signal (CIS)
CIS image data effective area 
control (CIS)
10
10
SCN
FUM
Fusing motor control signal
Fusing motor ON/OFF
ON
OFF
6
13
PCU
FUMCLK
Fusing motor rotating speed 
control (CLK) signal
Fusing motor control CLK
6
14
PCU
FUM-T
Fusing motor lock detection 
signal
Fusing motor lock detection
Rotation
Stop/Lock
6
15
PCU
FW
AC power source full wave 
signal
Power monitor
20
9
PCU
FW_SUB
Sub power source full wave 
signal
Sub power full wave signal
1
4
PCU
FWP-PCU
Flash write protect signal
Flash write protect
9
6
PCU
GBPWM
Making charger grid bias 
voltage (PWM) control signal
Main charger grid bias voltage 
(PWM) control
15
5
PCU
HLCNT1
Upper fusing roller center 
heater lamp control signal
Upper fusing roller center 
heating control
OFF
ON
2
9
PCU
HLCNT2
Upper fusing roller center 
heater lamp control signal
Upper fusing roller edges 
heating control
OFF
ON
2
11
PCU
HLCNT3
Sub heat roller heater lamp 
control signal
Sub heat roller heater lamp 
control
OFF
ON
1
5
PCU
HLPRout
Fusing heater lamp power 
relay control signal
Fusing heater lamp power 
relay control
Relay OFF
Relay ON
2
5
PCU
HLPRout3
Fusing heater lamp power 
relay 3 control signal
Fusing heater lamp power 
relay 3 control
Relay OFF
Relay ON
2
7
PCU
HPFC
Horizontal paper transport 
clutch control signal
Horizontal paper transport 
clutch control
Paper 
transport
12
7
PCU
HPLS
Paper guide lock solenoid 
control signal
Paper guide lock solenoid 
control
Lock
12
4
PCU
HSYNC
Horizontal sync signal
Horizontal sync
9
18
PCU
HUS-DV
Developing humidity sensor
Developing section peripheral 
humidity detection
12
26
PCU
HUS-TC
Transfer humidity sensor
Transfer section peripheral 
humidity detection
8
17
PCU
HVREMout
High voltage control output 
control signal (MC/DV/TC)
High voltage ON/OFF control 
signal (MC/DV/TC)
OFF
ON
15
16
PCU
INTPR2out
Interlock power relay "RY5" 
control signal
AC PWB relay "RY5" control 
(38V line interlock relay)
Relay OFF
Relay ON
19
19
PCU
INTPRout
Interlock power relay "RY4" 
control signal
AC PWB relay "RY4" control 
(38V line interlock relay)
Relay OFF
Relay ON
19
15
PCU
LDON
Laser ON/OFF control signal
Laser ON/OFF control
22
27
PCU
LED0
Document size detection LED 
control signal 1
Document size detection LED 
control
3
5
SCN
LED1
Document size detection LED 
control signal 0
Document size detection LED 
control
3
6
SCN
LPPD
LCC paper pass detection 
signal
Detection of paper entry from 
LCC
Paper pass
18
12
PCU
LSU_S/H
Laser beam horizontal sync 
signal
Laser beam horizontal position 
timing control
22
25
PCU
M1LUD
Paper tray upper limit detection 
signal (Paper feed tray 3)
Paper tray upper limit detection 
(Paper feed tray 3)
Upper limit
16
13
PCU
M1LUM
Lift-up motor control signal 
(Paper feed tray 3)
Lift-up motor control (Paper 
feed tray 3)
Stop
Up
16
27
PCU
M1PED
Paper empty detection signal 
(Paper feed tray 3)
Paper empty detection (Paper 
feed tray 3)
Paper 
empty
Paper 
present
16
7
PCU
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
AR-M550/M620  SIGNAL NAME LIST  14 - 5
M1PFC
Paper feed clutch (M1) control 
signal (Paper feed tray 3)
Paper feed tray 3 paper feed 
control
Paper 
transport
16
25
PCU
M1PFD
Paper pass detection signal 
(Multi paper feed tray 3)
Paper feed tray 3 paper pass 
detection
Paper pass
16
21
PCU
M1PUS
Paper pickup solenoid control 
signal (Paper feed tray 3)
Paper pickup roller control 
(Paper feed tray 3)
Roller UP
Paper feed
16
3
PCU
M1PWS
Paper feed tray paper width 
detection signal (Paper feed 
tray 3)
Multi paper feed tray paper 
width detection (Paper feed 
tray 3)
16
32
PCU
M1SPD
Paper remaining quantity 
detection signal (Paper feed 
tray 3)
Paper remaining quantity 
detection (Multi paper feed tray 
3)
Remaining 
paper 
quantity 
66% or less
15
31
PCU
M1SS1
Paper size detection signal 
(Paper feed tray 3)
Paper size detection (Paper 
feed tray 3)
15
21
PCU
Refer to the 
separate 
table (
1)
M1SS2
Paper size detection signal 
(Paper feed tray 3)
Paper size detection (Paper 
feed tray 3)
15
23
PCU
M1SS3
Paper size detection signal 
(Paper feed tray 3)
Paper size detection (Paper 
feed tray 3)
15
25
PCU
M1SS4
Paper size detection signal 
(Paper feed tray 3)
Paper size detection (Paper 
feed tray 3)
15
27
PCU
M2LUD
Paper tray upper limit detection 
signal (Paper feed tray 4)
Paper tray upper limit detection 
(Paper feed tray 4)
Upper limit
16
14
PCU
M2LUM
Lift-up motor control signal 
(Paper feed tray 4)
Lift-up motor control (Paper 
feed tray 4)
Stop
Up
17
1
PCU
M2PED
Paper empty detection signal 
(Paper feed tray 4)
Paper empty detection (Paper 
feed tray 4)
Paper 
empty
Paper 
present
16
8
PCU
M2PFC
Paper feed clutch (M1) control 
signal (Paper feed tray 4)
Paper feed tray 4 paper feed 
control
Paper 
transport
17
7
PCU
M2PFD
Paper pass detection signal 
(Multi paper feed tray 4)
Paper feed tray 4 paper pass 
detection
Paper pass
16
22
PCU
M2PUS
Paper pickup solenoid control 
signal (Paper feed tray 4)
Paper pickup roller control 
(Paper feed tray 4)
Roller UP
Paper feed
16
4
PCU
M2SPD
Paper remaining quantity 
detection (Paper feed tray 4) 
signal
Paper remaining quantity 
detection (Paper feed tray 4)
Remaining 
paper 
quantity 
66% or less
15
32
PCU
M2SS1
Paper size detection signal 
(Paper feed tray 4)
Paper size detection (Paper 
feed tray 4)
15
22
PCU
Refer to the 
separate 
table (
1)
M2SS2
Paper size detection signal 
(Paper feed tray 4)
Paper size detection (Paper 
feed tray 4)
15
24
PCU
M2SS3
Paper size detection signal 
(Paper feed tray 4)
Paper size detection (Paper 
feed tray 4)
15
26
PCU
M2SS4
Paper size detection signal 
(Paper feed tray 4)
Paper size detection (Paper 
feed tray 4)
15
28
PCU
MFPUS
Paper pickup solenoid (MFP) 
control signal (Manual paper 
feed)
Paper pickup solenoid (MPF) 
control (Manual paper feed)
Paper feed 
with the 
roller down
13
7
PCU
MHPS
Scanner home position sensor 
signal
Scanner home position 
detection
Home 
position
6
1
SCN
MHVREM
Main charger control signal
Main charger ON/OFF
ON
OFF
15
6
PCU
MHV-T
Main charger trouble detection 
signal
Main charger trouble detection
Trouble, no 
MHV
Normal
15
7
PCU
MIMA
Scanner motor control signal 
(Phase A)
Scanner motor control (Phase 
A)
7
1
SCN
MIMB
Scanner motor control signal 
(Phase B)
Scanner motor control (Phase 
B)
7
2
SCN
MM
Main motor control signal
Main motor ON/OFF control
ON
OFF
17
14
PCU
MMCLK
Main motor rotating speed 
control (CLK) signal
Main motor RPM control
17
16
PCU
MM-T
Main motor lock detection 
signal
Main motor lock detection
Rotation
Stop/Lock
17
18
PCU
MPED
Manual feed paper empty 
detection signal
Manual paper feed tray paper 
empty detection
Paper 
empty
Paper 
present
13
11
PCU
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"

Download Sharp AR-M550 (serv.man21) Service Manual (Repair Manual)

Here you can view online or download Sharp AR-M550 (serv.man21) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp AR-M550 (serv.man21) Copying Equipment. Information contained in Sharp AR-M550 (serv.man21) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).