Read Sharp AR-M620 (serv.man25) 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)
(Phase /A)
Scanner motor control (Phase /
A)
A)
—
—
7
3
SCN
/MIMB
Scanner motor control signal
(Phase /B)
(Phase /B)
Scanner motor control (Phase /
B)
B)
—
—
7
4
SCN
/SLUMB
SPF paper feed tray lift-up
motor control signal (Phase /B)
motor control signal (Phase /B)
SPF paper feed tray lift-up
motor control (Phase /B)
motor control (Phase /B)
—
—
11
2
SCN
/SLUMA
SPF paper feed tray lift-up
motor control signal (Phase /A)
motor control signal (Phase /A)
SPF paper feed tray lift-up
motor control (Phase /A)
motor control (Phase /A)
—
—
11
1
SCN
/SPFMA
SPF motor control signal
(Phase /A)
(Phase /A)
SPF motor control (Phase /A)
—
—
12
11
SCN
/SPFMB
SPF motor control signal
(Phase /B)
(Phase /B)
SPF motor control (Phase /B)
—
—
12
15
SCN
/VIDEO
Image data signal
Image signal to LSU (PCU
output)
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)
high value monitor (For heater
lamp ON control) (Phase
control)
—
—
1
3
PCU
ADD_CCD1
CCD serial data area
identification number (CCD)
identification number (CCD)
Identification of address data
and image data area in CCD
serial data
and image data area in CCD
serial data
—
—
1
66
SCN
ADD_CCD2
CIS serial data area
identification number (CIS)
identification number (CIS)
Identification of address data
and image data area in CIS
serial data
and image data area in CIS
serial data
—
—
10
13
SCN
ADM1A
Duplex (ADU) motor 1
(Upstream side) control signal
(Phase A)
(Upstream side) control signal
(Phase A)
Duplex (ADU) motor 1
(Upstream) control (Phase A)
(Upstream) control (Phase A)
—
—
10
9
PCU
ADM1B
Duplex (ADU) motor 1
(Upstream side) control signal
(Phase B)
(Upstream side) control signal
(Phase B)
Duplex (ADU) motor 1
(Upstream) control (Phase B)
(Upstream) control (Phase B)
—
—
10
11
PCU
ADM1XA
Duplex (ADU) motor 1
(Upstream side) control signal
(Phase /A)
(Upstream side) control signal
(Phase /A)
Duplex (ADU) motor 1
(Upstream) control (Phase /A)
(Upstream) control (Phase /A)
—
—
10
10
PCU
ADM1XB
Duplex (ADU) motor 1
(Upstream side) control signal
(Phase /B)
(Upstream side) control signal
(Phase /B)
Duplex (ADU) motor 1
(Upstream) control (Phase /B)
(Upstream) control (Phase /B)
—
—
10
12
PCU
ADM2A
Duplex (ADU) motor 2
(Downstream side) control
signal (Phase A)
(Downstream side) control
signal (Phase A)
Duplex (ADU) motor 2
(Upstream) control (Phase A)
(Upstream) control (Phase A)
—
—
10
13
PCU
ADM2B
Duplex (ADU) motor 2
(Downstream side) control
signal (Phase B)
(Downstream side) control
signal (Phase B)
Duplex (ADU) motor 2
(Upstream) control (Phase B)
(Upstream) control (Phase B)
—
—
10
15
PCU
ADM2XA
Duplex (ADU) motor 2
(Downstream side) control
signal (Phase /A)
(Downstream side) control
signal (Phase /A)
Duplex (ADU) motor 2
(Upstream) control (Phase /A)
(Upstream) control (Phase /A)
—
—
10
14
PCU
ADM2XB
Duplex (ADU) motor 2
(Downstream side) control
signal (Phase /B)
(Downstream side) control
signal (Phase /B)
Duplex (ADU) motor 2
(Upstream) control (Phase /B)
(Upstream) control (Phase /B)
—
—
10
16
PCU
AINPD
Duplex (ADU) paper entry
detection signal
detection signal
Duplex (ADU) paper entry
detection, detection of paper
exit to finisher
detection, detection of paper
exit to finisher
Paper pass
—
7
28
PCU
APPD1
Duplex (ADU) paper pass
detection signal 1
detection signal 1
Duplex (ADU) upstream paper
pass detection
pass detection
Paper pass
—
7
24
PCU
APPD2
Duplex (ADU) paper pass
detection signal 2
detection signal 2
Duplex (ADU) midstream
paper pass detection
paper pass detection
Paper pass
—
7
26
PCU
ADU
Auditor installation detection
signal
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
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)
signal (Power source)
Power cooling fan motor
control
control
Max. force
of wind
Stop
19
3
PCU
CFM-DC2
Cooling fan motor control
signal (Power source)
signal (Power source)
Power cooling fan motor
control
control
Max. force
of wind
Stop
19
4
PCU
CFM-DV
Cooling fan motor control
signal (Developing)
signal (Developing)
Developing cooling fan motor
control
control
Max. force
of wind
Stop
7
3
PCU
CFM-R1
Cooling fan motor control
signal (LSU/Process section)
signal (LSU/Process section)
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
21
3
PCU
CFM-R2
Cooling fan motor control
signal (LSU/Process section)
signal (LSU/Process section)
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
21
4
PCU
CFM-R3
Cooling fan motor control
signal (LSU/Process section)
signal (LSU/Process section)
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
21
9
PCU
CFM-U1
Cooling fan motor control
Cooling fan motor control
(LSU, process section)
(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)
signal (Paper exit, duplex
(ADU) section) (Paper exit
section rear side)
Paper exit, duplex (ADU)
section cooling
section cooling
Max. force
of wind
Stop
5
28
PCU
CFM-U3
Cooling fan motor control
signal (Paper exit, duplex
(ADU) section) (Front surface)
signal (Paper exit, duplex
(ADU) section) (Front surface)
Paper exit, duplex (ADU)
section cooling
section cooling
Max. force
of wind
Stop
5
27
PCU
CHVACPWM High voltage control output
(Separation charger) (CHV)
Separation charger AC
component PWM control
component PWM control
—
—
15
12
PCU
CHVACREM High voltage control output
(Separation charger) (CHV)
Separation charger AC
component ON/OFF control
component ON/OFF control
ON
OFF
15
13
PCU
CHV-PWM
High voltage control output
(Separation charger) (CHV)
(Separation charger) (CHV)
Separation charger DC
component PWM control
component PWM control
—
—
15
10
PCU
CHV-REM
High voltage control output
(Separation charger) (CHV)
(Separation charger) (CHV)
Separation charger DC
component ON/OFF control
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
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)
(CCD)
CD serial data output timing
control (CCD)
control (CCD)
—
—
1
62
SCN
CLK_CCD2
CIS serial data clock signal
(CIS)
(CIS)
CIS serial data output timing
control (CIS)
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
signal
CRUM communication data
address signal
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)
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)
vendor)
Print count identification signal
(Duplex mode) (For coin
vendor) (Identification of single
count or double count)
(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)
vendor)
Paper size 0 (Coin vendor)
4
9
SCN
Refer to the
separate
table (
separate
table (
∗
2)
CV_SIZE1
Paper size signal 1 (Coin
vendor)
vendor)
Paper size 1 (Coin vendor)
4
10
SCN
CV_SIZE2
Paper size signal 2 (Coin
vendor)
vendor)
Paper size 2 (Coin vendor)
4
11
SCN
CV_SIZE3
Paper size signal 3 (Coin
vendor)
vendor)
Paper size 3 (Coin vendor)
4
12
SCN
CV_STAPLE Staple mode signal (Coin
vendor)
Staple mode identification
(Coin vendor)
(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
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)
speed control signal (ON/OFF)
OPS drum motor ON/OFF
ON
OFF
6
5
PCU
DMCLK
OPC drum motor rotating
speed control (CLK) signal
speed control (CLK) signal
OPC drum motor RPM control
—
—
6
7
PCU
DMS
OPC drum marking sensor
signal
signal
OPC drum mark detection
—
—
8
4
PCU
DMS-LED
OPC drum marking sensor
LED control signal
LED control signal
OPC drum marking LED light
quantity control
quantity control
—
—
8
2
PCU
DM-T
OPC drum motor lock detection
signal
signal
OPC drum motor lock detection
Rotation
Stop/Lock
6
9
PCU
DSKPFC1
Paper feed tray 3/4 paper
transport clutch control signal 1
transport clutch control signal 1
Paper feed tray 3/4 paper
transport control
transport control
Paper
transport
—
16
26
PCU
DSKPFC2
Paper feed tray 3/4 paper
transport clutch control signal 2
transport clutch control signal 2
Paper feed tray 3/4 paper
transport control
transport control
Paper
transport
—
17
8
PCU
DSR_FIN
Serial communication control
signal
signal
Receive control
—
—
17
17
PCU
DSR_LCC
Serial communication control
signal
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
close detection signal
Duplex (ADU) cover open/
close detection
close detection
Duplex
(ADU) door
open
Duplex
(ADU) door
close
7
25
PCU
DSW-DSK
Left door open/close detection
signal (Desk section)
signal (Desk section)
Left door open/close detection
(Desk section)
(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
line signal for generating high
voltage
High voltage power source
(+24V)
(+24V)
—
High
voltage
available
15
1
PCU
DSW-F
Front door open/close
detection signal
detection signal
Front door open/close
detection
detection
Left door
open or
Front door
open
Left door
close
and Front
door close
door close
2
28
PCU
DSW-L
Left door open/close detection
signal
signal
Left door open/close detection
Left door
open
Left door
close
7
32
PCU
DSW-R
Manual feed open/close
detection signal
detection signal
Manual feed open/close
detection
detection
Left door
open or
Front door
open or
manual unit
pull-out
Left door
close
and Front
door close
door close
and manual
unit
insertion
13
26
PCU
DTR_FIN
Serial communication control
signal
signal
Send control
—
—
17
15
PCU
DTR_LCC
Serial communication control
signal
signal
Send control
—
—
18
7
PCU
DTR_SCN
Serial I/F receive enable signal
(MFP)
(MFP)
Send control
—
—
9
9
SCN
DVCH1
DV unit identification signal 1
Detection of installation
12
6
PCU
DVM
Developing motor control
signal
signal
Developing motor ON/OFF
ON
OFF
6
6
PCU
DVMCLK
Developing motor rotating
speed control (CLK) signal
speed control (CLK) signal
Developing motor control RPM
control
control
—
—
6
8
PCU
DVM-T
Developing motor lock
detection signal
detection signal
Developing motor lock
detection
detection
Rotation
Stop/Lock
6
10
PCU
DVPWM
Developing bias voltage control
signal (PWM)
signal (PWM)
Developing bias PWM control
—
—
15
14
PCU
DVREM
Developing bias control (ON/
OFF) signal
OFF) signal
Developing bias ON/OFF
ON
OFF
15
15
PCU
F0
Operation panel LED matrix
signal 0
signal 0
Switching
—
—
1
78
SCN
F1
Operation panel LED matrix
signal 1
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
signal 2
Switching
—
—
1
82
SCN
F3
Operation panel LED matrix
signal 3
signal 3
Switching
—
—
1
84
SCN
FBIAS
Fusing bias output control
signal
signal
Fusing bias output ON/OFF
control
control
ON
OFF
7
23
PCU
FRDY
FAX LED lighting signal
LED lighting control in power
save mode, iFAX, FAX
nighttime mode
save mode, iFAX, FAX
nighttime mode
LED ON
9
14
SCN
FRM_CCD1
CCD image data effective area
signal (CCD)
signal (CCD)
CCD image data effective area
control (CCD)
control (CCD)
—
—
1
61
SCN
FRM_CCD2
CIS image data effective area
signal (CIS)
signal (CIS)
CIS image data effective area
control (CIS)
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
control (CLK) signal
Fusing motor control CLK
—
—
6
14
PCU
FUM-T
Fusing motor lock detection
signal
signal
Fusing motor lock detection
Rotation
Stop/Lock
6
15
PCU
FW
AC power source full wave
signal
signal
Power monitor
—
—
20
9
PCU
FW_SUB
Sub power source full wave
signal
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
voltage (PWM) control signal
Main charger grid bias voltage
(PWM) control
(PWM) control
—
—
15
5
PCU
HLCNT1
Upper fusing roller center
heater lamp control signal
heater lamp control signal
Upper fusing roller center
heating control
heating control
OFF
ON
2
9
PCU
HLCNT2
Upper fusing roller center
heater lamp control signal
heater lamp control signal
Upper fusing roller edges
heating control
heating control
OFF
ON
2
11
PCU
HLCNT3
Sub heat roller heater lamp
control signal
control signal
Sub heat roller heater lamp
control
control
OFF
ON
1
5
PCU
HLPRout
Fusing heater lamp power
relay control signal
relay control signal
Fusing heater lamp power
relay control
relay control
Relay OFF
Relay ON
2
5
PCU
HLPRout3
Fusing heater lamp power
relay 3 control signal
relay 3 control signal
Fusing heater lamp power
relay 3 control
relay 3 control
Relay OFF
Relay ON
2
7
PCU
HPFC
Horizontal paper transport
clutch control signal
clutch control signal
Horizontal paper transport
clutch control
clutch control
Paper
transport
—
12
7
PCU
HPLS
Paper guide lock solenoid
control signal
control signal
Paper guide lock solenoid
control
control
Lock
—
12
4
PCU
HSYNC
Horizontal sync signal
Horizontal sync
—
—
9
18
PCU
HUS-DV
Developing humidity sensor
Developing section peripheral
humidity detection
humidity detection
—
—
12
26
PCU
HUS-TC
Transfer humidity sensor
Transfer section peripheral
humidity detection
humidity detection
—
—
8
17
PCU
HVREMout
High voltage control output
control signal (MC/DV/TC)
control signal (MC/DV/TC)
High voltage ON/OFF control
signal (MC/DV/TC)
signal (MC/DV/TC)
OFF
ON
15
16
PCU
INTPR2out
Interlock power relay "RY5"
control signal
control signal
AC PWB relay "RY5" control
(38V line interlock relay)
(38V line interlock relay)
Relay OFF
Relay ON
19
19
PCU
INTPRout
Interlock power relay "RY4"
control signal
control signal
AC PWB relay "RY4" control
(38V line interlock relay)
(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
control signal 1
Document size detection LED
control
control
—
—
3
5
SCN
LED1
Document size detection LED
control signal 0
control signal 0
Document size detection LED
control
control
—
—
3
6
SCN
LPPD
LCC paper pass detection
signal
signal
Detection of paper entry from
LCC
LCC
Paper pass
—
18
12
PCU
LSU_S/H
Laser beam horizontal sync
signal
signal
Laser beam horizontal position
timing control
timing control
—
—
22
25
PCU
M1LUD
Paper tray upper limit detection
signal (Paper feed tray 3)
signal (Paper feed tray 3)
Paper tray upper limit detection
(Paper feed tray 3)
(Paper feed tray 3)
Upper limit
—
16
13
PCU
M1LUM
Lift-up motor control signal
(Paper feed tray 3)
(Paper feed tray 3)
Lift-up motor control (Paper
feed tray 3)
feed tray 3)
Stop
Up
16
27
PCU
M1PED
Paper empty detection signal
(Paper feed tray 3)
(Paper feed tray 3)
Paper empty detection (Paper
feed tray 3)
feed tray 3)
Paper
empty
empty
Paper
present
16
7
PCU
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin No.
PWB
name
Remark
"L"
"H"