DOWNLOAD Sharp AR-M550 (serv.man21) Service Manual ↓ Size: 487.02 KB | Pages: 15 in PDF or view online for FREE

Model
AR-M550 (serv.man21)
Pages
15
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487.02 KB
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PDF
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Service Manual
Brand
Device
Copying Equipment / (14) Signal name list
File
ar-m550-sm21.pdf
Date

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

AR-M550/M620  SIGNAL NAME LIST  14 - 6
MPFC
Paper feed clutch control signal 
(Manual feed)
Manual feed tray paper feed 
roller control
Paper feed
13
20
PCU
MPFD1
Manual feed paper pass 
detection signal 1
Manual tray paper pass 
detection
Paper pass
13
21
PCU
MPFD2
Manual feed paper pass 
detection signal 2
Manual tray paper pass 
detection
Paper pass
18
6
PCU
MPFGS
Manual feed gate solenoid 
control signal
Manual feed gate control
Paper pass 
enable
Stopper
13
17
PCU
MPFPWS
Manual feed paper width 
detection signal
Manual feed paper width 
detection
13
16
PCU
MPLD1
Manual feed paper length 
detection signal 1
Manual paper feed tray paper 
length detection (Short)
Paper 
present
13
6
PCU
MPLD2
Manual feed paper length 
detection signal 1
Manual paper feed tray paper 
length detection (Long)
Paper 
present
13
10
PCU
MPRD1
Paper feed tray 2 paper pass 
detection signal 1
Manual feed/paper feed tray 2 
paper pass detection
Paper pass
12
23
PCU
MPRD2
Paper feed tray 2 paper pass 
detection signal 2
Manual feed/paper feed tray 2 
paper pass detection
Paper pass
12
29
PCU
MSWMON
MSW monitor signal
Main switch monitor
19
23
PCU
MSWOFF
MSW OFF signal
Main switch OFF signal
9
5
PCU
MSWPR
Main switch power relay control 
signal
Main switch power relay control
Relay ON 
Relay OFF
2
15
PCU
MTOP1
Manual tray pull-out position 
detection signal 1
Manual paper feed tray pull-out 
position detection (Storing 
position)
Store
13
12
PCU
MTOP2
Manual tray pull-out position 
detection signal 2
Manual paper feed tray pull-out 
position detection (Pull-out 
position)
Pull out
13
14
PCU
OCSW
SPF open/close detection 
signal
Document size detection 
trigger
Close
3
3
SCN
PAGE
Page signal
Print timing control for 
controller (Output for every 
page)
9
14
PCU
PAGE1
Image effective area signal 
(CCD)
Indicates image data area of 
one page. (CCD)
1
68
SCN
PAGE2
Image effective area signal 
(CIS)
Indicates image data area of 
one page. (CIS)
10
12
SCN
PCS
Image density sensor signal
Detection of density of toner 
patch on the OPC drum
8
3
PCU
PCS-LED
Image density sensor LED 
current control signal
Image density sensor LED light 
emitting quantity control
8
1
PCU
PCU_DSR
Serial communication control 
signal
Send control signal (Serial 
communication)
9
13
PCU
PCU_DTR
Serial communication control 
signal
Receive control signal (Serial 
communication)
9
10
PCU
PCU_RES
PCU reset signal
PCU reset by the controller
Operation 
enable
Reset
9
7
PCU
PCU_RXD
Serial communication send 
data signal
Send data to the controller
9
17
PCU
PCU_TXD
Serial communication receive 
data signal 
Receive data from the 
controller
9
9
PCU
PD
Document size detection signal OC document size detection 
analog signal
1
74
SCN
PDSEL0
Document detection select 
signal 0
Document size detection signal 
select
1
72
SCN
PDSEL1
Document detection select 
signal 1
Document size detection signal 
select
1
21
SCN
PDSEL2
Document detection select 
signal 2
Document size detection signal 
select
1
22
SCN
PFD2
Paper pass detection signal 2
Paper pass detection from 
duplex (ADU)/LCC/Desk 
section
Paper pass
7
10
PCU
PGMCLK
LSU motor RPM control signal 
(CLK)
LSU motor RPM control
22
6
PCU
PNC
Count-up signal (Auditor)
Count up (Auditor)
Count UP
5
1
SCN
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
AR-M550/M620  SIGNAL NAME LIST  14 - 7
PNC-a
Count-up signal (Personal 
counter)
Count up (Personal counter)
2
20
PCU
POD1
Paper exit detection 1 signal
Paper exit detection from 
fusing
Paper pass
5
3
PCU
POD2
Paper exit detection 2 signal
Paper pass detection from 
paper exit
Paper pass
5
9
PCU
POD3
Paper exit detection 3 signal
Paper exit detection to upper 
section paper exit tray (Full 
detection) 
Paper pass
5
15
PCU
POF
Power OFF status signal
Power OFF status
Power OFF
Power ON
9
3
PCU
POF_SCN
Power off signal
Power OFF status signal 
(Output from PCU)
Power OFF
9
43
SCN
POM1A
Paper exit motor 1 (Fusing 
side) control signal (Phase A)
Paper exit unit (Fusing side) 
paper transport
10
1
PCU
POM1B
Paper exit motor 1 (Fusing 
side) control signal (Phase B)
Paper exit unit (Fusing side) 
paper transport
10
3
PCU
POM1XA
Paper exit motor 1 (Fusing 
side) control signal (Phase /A)
Paper exit unit (Fusing side) 
paper transport
10
2
PCU
POM1XB
Paper exit motor 1 (Fusing 
side) control signal (Phase /B)
Paper exit unit (Fusing side) 
paper transport
10
4
PCU
POM2A
Paper exit motor 2 (Paper exit 
side) control signal (Phase A)
Paper exit unit (paper exit side) 
paper transport
10
5
PCU
POM2B
Paper exit motor 2 (Fusing 
side) control signal (Phase B)
Paper exit unit (paper exit side) 
paper transport
10
7
PCU
POM2XA
Paper exit motor 2 (Fusing 
side) control signal (Phase /A)
Paper exit unit (paper exit side) 
paper transport
10
6
PCU
POM2XB
Paper exit motor 2 (Fusing 
side) control signal (Phase /B)
Paper exit unit (Paper exit side) 
paper transport
10
8
PCU
PPD
Resist roller front paper pass 
detection signal
Paper pass detection in front of 
resist roller
Paper pass
12
15
PCU
PROFF_CNT BUP-PR control signal (Main 
power OFF signal)
Main power OFF signal (output 
from controller)
End
9
4
PCU
PRON_FAX
BUP-PR control signal (Main 
power ON signal)
Main power ON signal (Output 
front FAX unit)
Boot
9
1
PCU
PSBC
Resist roller brake clutch 
control signal
Resist roller brake clutch 
control
Paper 
transport 
enable
12
11
PCU
PSPS
Separation solenoid control 
signal
Separation solenoid control
Separation
8
13
PCU
READY
LSU motor lock detection 
signal
LSU motor lock detection
Rotation
Stop/Lock
22
5
PCU
READY
Copy enable signal (Auditor)
Copy enable (Auditor)
Copy 
enable
5
4
SCN
RES_CCD
Reset signal (CCD)
Reset (CCD)
Reset
1
64
SCN
RES_CIS
Reset signal (CIS)
Reset (CIS)
Reset
10
15
SCN
RES_FIN
Finisher reset signal
Finisher reset
Operation 
enable
Reset
17
19
PCU
RES_LCC
LCC reset signal
LCC reset
Operation 
enable
Reset
18
11
PCU
RES_MFP
Main unit reset signal (MFP)
Not used.
Reset
9
12
SCN
RES_SCN
Scanner reset signal
Scanner reset (output from 
controller)
Reset
9
44
SCN
RRC
Resist roller clutch control 
signal
Resist roller clutch control (The 
relative position of print image 
and paper is controlled.) 
Paper 
transport
7
4
PCU
RTH1
Heat roller temperature 
detection signal
Heat roller temperature 
detection
2
6
PCU
RTH2
Pressure roller temperature 
detection signal
Pressure roller temperature 
detection
2
10
PCU
RTH3
Sub heat roller temperature 
detection signal
Sub heat roller temperature 
detection
2
14
PCU
RXD_CCD1
Serial I/F data (CCD)
Serial I/F data (CCD-scanner 
control PWB)
1
65
SCN
RXD_CCD2
Serial I/F data (CIS)
Serial I/F data (CCD-scanner 
control PWB)
10
16
SCN
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
AR-M550/M620  SIGNAL NAME LIST  14 - 8
RXD_FIN
Serial I/F data (FINISHER)
Serial I/F data (Finisher-PCU 
PWB)
17
13
PCU
RXD_LCC
Serial I/F data (LCC)
Serial I/F data (LCC-PCU 
PWB)
18
5
PCU
RXD_SCN
Serial I/F data (Scanner control 
PWB)
Serial I/F data (Scanner control 
PWB - Controller)
9
45
SCN
SCNSET
Scanner control PWB 
identification signal
Scanner control PWB 
installation detection
Scanner 
available
9
47
SCN
SCOV
SPF cover switch signal
SPF cover open/close 
detection
Close
12
8
SCN
SEG0
Operation panel LED matrix 
signal 0
Operation panel LED matrix
1
24
SCN
SEG1
Operation panel LED matrix 
signal 1
Operation panel LED matrix
1
75
SCN
SEG2
Operation panel LED matrix 
signal 2
Operation panel LED matrix
1
76
SCN
SLEEP
Energy-saving mode display 
signal
LED lighting signal in energy 
saving mode
LED ON
9
15
SCN
SLUMA
SPF tray lift-up motor control 
signal (Phase A)
SPF tray lift-up motor control 
(Phase A)
11
3
SCN
SLUMB
SPF tray lift-up motor control 
signal (Phase B)
SPF tray lift-up motor control 
(Phase B)
11
4
SCN
SOCD
SPF open/close detection 
signal
SPF open/close detection
Close
11
19
SCN
SPED1
SPF document upper limit 
detection signal
SPF document upper limit 
detection
Paper 
present
12
12
SCN
SPED2
SPF document detection signal SPF document empty 
detection
Paper 
present
11
14
SCN
SPFC
SPF paper feed clutch control 
signal
SPF paper feed clutch control
ON
11
10
SCN
SPFFAN
SPF fan motor control signal
SPF fan motor control
ON
11
11
SCN
SPFMA
SPF paper feed, paper 
transport motor control signal 
(Phase A)
SPF paper feed, paper 
transport motor control (Phase 
A)
12
13
SCN
SPFMB
SPF paper feed, paper 
transport signal (Phase B)
SPF paper feed, paper 
transport motor control (Phase 
B)
12
17
SCN
SPFMO1
SPF paper feed, paper 
transport motor current control 
signal 1
SPF paper feed, paper 
transport motor current control
Power 
down
12
16
SCN
SPFMO2
SPF paper feed, paper 
transport motor current control 
signal 2
SPF paper feed, paper 
transport motor current control
Power 
down
12
18
SCN
SPFSET
SPF identification signal
SPF installation detection
SPF 
available
11
5
SCN
SPLS1
SPF document length 
detection signal 1
SPF document length 
detection (Short)
Paper 
present
11
18
SCN
SPLS2
SPF document length 
detection signal 2
SPF document length 
detection (Long)
Paper 
present
11
17
SCN
SPOD
SPF paper exit detection signal SPF paper exit detection
Paper exit
11
20
SCN
SPPD1
SPF document paper pass 
detection 1 signal
SPF document paper pass 
detection 1
Paper 
present
12
10
SCN
SPPD2
SPF document paper pass 
detection 2 signal
SPF document paper pass 
detection 2
Paper 
present
12
6
SCN
SPPD3
SPF document paper pass 
detection 3 signal
SPF document paper pass 
detection 3
Paper 
present
11
13
SCN
SPPD4
SPF document paper pass 
detection 4 signal
SPF document paper pass 
detection 4
Paper 
present
11
12
SCN
SPWS
SPF document size (Width) 
detection analog data signal
SPF document size (Width) 
detection
11
16
SCN
SRRBC
SPF resist roller brake clutch 
control signal
SPF resist roller brake clutch 
control
ON
11
6
SCN
SRRC
SPF resist roller clutch control 
signal
SPF resist roller clutch control
ON
11
7
SCN
START
LSU motor control signal
LSU motor ON/OFF
ON
OFF
22
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 - 9
STLD
SPF document tray lower limit 
detection signal
SPF document tray lower limit 
detection
Lower limit
11
15
SCN
STMPS
Stamp solenoid control signal
Stamp solenoid control
Stamp ON
1
48
SCN
STRBC
SPF paper transport clutch 
control signal
SPF paper transport roller 
brake clutch control
ON
11
9
SCN
STRC
SPF paper transport clutch 
control signal
SPF paper transport clutch 
control
ON
11
8
SCN
STRRBC
SPF paper transport resist 
brake clutch control signal
SPF paper transport resist 
brake clutch control
ON
12
20
SCN
STRRC
SPF paper transport resist 
clutch control signal
SPF paper transport resist 
clutch control
ON
12
19
SCN
STSET
Stamp identification signal
Stamp Yes/No detection
Stamp 
available
1
47
SCN
STUD
SPF document tray upper limit 
detection signal
SPF document tray upper limit 
detection
Upper limit
12
14
SCN
SYNC
LSU horizontal sync detection 
signal
LSU horizontal sync detection 
(BD sensor signal)
22
29
PCU
T1LUD
Paper feed tray upper limit 
detection signal (Paper feed 
tray 1)
Paper feed tray upper limit 
(Paper feed tray 1)
Upper limit
14
13
PCU
T1LUM
Paper tray lift-up motor control 
signal (Paper feed tray 1)
Paper tray lift-up control (Paper 
feed tray 1)
Stop
Up
14
1
PCU
T1PED
Paper empty detection signal 
(Paper feed tray 1)
Paper presence detection 
(Paper feed tray 1)
Paper 
empty
Paper 
present
14
15
PCU
T1PFC
Paper feed clutch control signal 
(Paper feed tray 1)
Paper feed clutch control 
(Paper feed tray 1)
Paper 
transport
17
4
PCU
T1PPD
Paper pass detection signal 
(Paper feed tray 1)
Paper pass detection from 
paper feed tray 1
Paper pass
25
3
PCU
T1PUS
Paper pick-up solenoid control 
signal (Paper feed tray 1)
Paper pickup solenoid control 
(Paper feed tray 1)
Roller UP
Paper feed
14
7
PCU
T1SPD
Paper remaining quantity 
detection signal (Paper feed 
tray 1)
Paper remaining quantity 
detection (Paper feed tray 1)
Remaining 
paper 
quantity 
66% or less
14
16
PCU
T2LUD
Paper tray upper limit detection 
signal (Paper feed tray 2)
Paper tray upper limit detection 
(Paper feed tray 2)
Upper limit
14
21
PCU
T2LUM
Paper tray lift-up motor control 
signal (Paper feed tray 2)
Paper tray lift-up motor control 
(Paper feed tray 2)
Stop
Up
14
2
PCU
T2PED
Paper empty detection signal 
(Paper feed tray 2)
Paper presence detection 
(Paper feed tray 2)
Paper 
empty
Paper 
present
14
23
PCU
T2PFC
Paper clutch control signal 
(Paper feed tray 2)
Paper feed clutch control 
(Paper feed tray 2)
Paper 
transport
12
3
PCU
T2PUS
Paper pickup solenoid control 
signal (Paper feed tray 2)
Paper pickup solenoid control 
(Paper feed tray 2)
The roller 
lifts up.
Paper feed
14
8
PCU
T2SPD
Paper remaining quantity 
detection signal (Paper feed 
tray 2)
Paper remaining quantity 
detection (Paper feed tray 2)
Remaining 
paper 
quantity 
66% or less
14
22
PCU
TANSET
Paper feed tray 1/2 (Tandem 
tray) detection signal
Paper feed tray 1, 2 (Tandem 
tray) insertion detection
Pull out
Insert
17
25
PCU
TCBIAS
Transfer belt cleaning output 
control signal (ON/OFF)
Transfer belt cleaning bias ON/
OFF control
ON
OFF
7
22
PCU
TCBPWM
Transfer belt cleaning output 
control signal (PWM)
Transfer belt cleaning bias 
output voltage PWM control
7
18
PCU
TCS
Toner density detection signal
Toner density detection
12
16
PCU
TFSD
Toner remaining quantity 
detection signal
Toner hopper remaining 
quantity detection
Remaining 
quantity 
large
Remaining 
quantity 
small
11
11
PCU
TH
LCD temperature sensor signal LCD temperature detection
1
92
SCN
TH-CL
OPC drum cleaner 
temperature sensor signal
OPC drum cleaner peripheral 
temperature detection
8
12
PCU
TH-DV
Developing temperature 
detection signal
Developing section 
temperature detection
12
30
PCU
TH-EX
Paper exit unit temperature 
sensor
Paper exit unit peripheral 
temperature detection
5
31
PCU
Signal name
Name
Function/Operation
Connector level
Connector 
No.
Pin No.
PWB 
name
Remark
"L"
"H"
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