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
Document
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 - 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"
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"
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Sharp AR-M550 (serv.man21) Service Manual ▷ Download

  • DOWNLOAD Sharp AR-M550 (serv.man21) Service Manual ↓ Size: 487.02 KB | Pages: 15 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp AR-M550 (serv.man21) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp AR-M550 (serv.man21) Copying Equipment. Information contained in Sharp AR-M550 (serv.man21) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.