Sharp AR-M351U / AR-M451U (serv.man8) Service Manual ▷ View online
AR-M351U/M451U, AR-M355U/M455U EXTERNAL VIEWS AND INTERNAL STRUCTURES 5 - 7
7. PWB
A. Scanner unit
B. Engine
No.
Name
Function/Operation
1
SPF control PWB
SPF control
2
Original size detection PWB (Light emitting side)
Original size detection when using the table glass
3
CCD PWB (in lens unit) (The lens unit cannot be disassembled.)
Image scan (Table glass/SPF surface)
4
SPF original width detection volume PWB
SPF original width detection
5
MFP operation PWB
Panel operation control
6
Scanner control PWB
Scanner unit control
7
LVDS PWB
LCD signal relay
8
Original size sensor (Light receiving side)
Original size detection when using the table glass
9
CIS unit (in CIS unit) (The CIS unit cannot be disassembled.)
Image scan (SPF back surface)
10
CIS interface PWB (in CIS unit) (The CIS unit cannot be disassembled.)
CIS signal AD conversion process
11
Scanner interface PWB
Scanner unit and connection of scanner control PWB
12
CIS control PWB
CIS unit control and image process
13
CL inverter PWB
Inverter for copy lamp
No.
Name
Function/Operation
1
PRT controller
Image process, image data communication control
2
PCU PWB
Overall control of the machine and options
3
Power supply unit
DC power supply
4
LD PWB (Inside LSU)
Laser ON control (Inside LSU: LSU cannot be disassembled.)
5
Mother PWB
Signal interface between PCU and the controller
6
Reactor PWB (200V only) / Filter PWB (Taiwan only)
Noise filter
7
BD PWB
Laser control (Inside LSU: LSU cannot be disassembled.)
8
High voltage resistor PWB
High voltage load adjustment
9
Cassette detection PWB
Paper cassette control
10
Drawer PWB
Fan control
11
High voltage PWB
High voltage power supply
12
Fuse PWB
Protection of the machine when an abnormal power is supplied.
13
Relay PWB
HDD back up
1
6
2
3
4
5
7
8
9
10
11
12
13
1
2
7
11
8
10
9
12
3
6
4
5
13
AR-M351U/M451U, AR-M355U/M455U EXTERNAL VIEWS AND INTERNAL STRUCTURES 5 - 8
8. Motor, Clutch, Solenoid
A. Scanner unit
B. Engine
No.
Name
Function/Operation
1
SPFM
SPF motor
Original transport in SPF scan
2
SRRC
SPF original resist clutch
SPF original scan timing adjustment
3
SPFC
SPF original feed clutch
SPF original feed roller drive
4
SDSS
SPF original stopper solenoid
SPF original stopper gate drive
5
MIRM
Mirror motor
Mirror base copy lamp base drive
6
SPFS
SPF original feed solenoid
SPF original feed unit drive
7
STMPS
Stamp solenoid
Finish stamp drive (Option AR-SU1 required)
Code
Function/Operation
Type
1
DM
Drum motor
Brushless motor
2
MM
Main motor
Brushless motor
3
POM
Paper exit motor
Stepping motor
4
TM
Toner motor
Synchronous motor
5
LUM
Lift-up motor
Synchronous motor
6
VFM2
Heat exhaust fan motor
Fan motor
7
VFM1
Cooling fan motor
Fan motor
8
CFM1
Suction fan motor
Fan motor
10
CFM2
Ozone exhaust fan motor
Fan motor
11
CPFC
Paper cassette paper feed clutch
12
TRC
Paper transport clutch
13
PSPS
Separation solenoid
14
RRC
Resist roller clutch
15
HDDFAN
Cooling fan motor (for HDD)
Fan motor
16
CNTFAN
Cooling fan motor (for controller)
Fan motor
17
PM
Polygon motor
Polygon motor
1
2
3
4
5
6
7
1.DM
5.LUM
7.VFM1
8.CFM1
4.TM
14.RRC
12.TRC
2.MM
11.CPFC
6.VFM2
13.PSPS
16.CNTFAN
3.POM
10.CFM2
7.VFM1
15.HDDFAN
17.PM
AR-M351U/M451U, AR-M355U/M455U EXTERNAL VIEWS AND INTERNAL STRUCTURES 5 - 8
8. Motor, Clutch, Solenoid
A. Scanner unit
B. Engine
No.
Name
Function/Operation
1
SPFM
SPF motor
Original transport in SPF scan
2
SRRC
SPF original resist clutch
SPF original scan timing adjustment
3
SPFC
SPF original feed clutch
SPF original feed roller drive
4
SDSS
SPF original stopper solenoid
SPF original stopper gate drive
5
MIRM
Mirror motor
Mirror base copy lamp base drive
6
SPFS
SPF original feed solenoid
SPF original feed unit drive
7
STMPS
Stamp solenoid
Finish stamp drive (Option AR-SU1 required)
Code
Function/Operation
Type
1
DM
Drum motor
Brushless motor
2
MM
Main motor
Brushless motor
3
POM
Paper exit motor
Stepping motor
4
TM
Toner motor
Synchronous motor
5
LUM
Lift-up motor
Synchronous motor
6
VFM2
Heat exhaust fan motor
Fan motor
7
VFM1
Cooling fan motor
Fan motor
8
CFM1
Suction fan motor
Fan motor
10
CFM2
Ozone exhaust fan motor
Fan motor
11
CPFC
Paper cassette paper feed clutch
12
TRC
Paper transport clutch
13
PSPS
Separation solenoid
14
RRC
Resist roller clutch
15
HDDFAN
Cooling fan motor (for HDD)
Fan motor
16
CNTFAN
Cooling fan motor (for controller)
Fan motor
17
PM
Polygon motor
Polygon motor
1
2
3
4
5
6
7
1.DM
5.LUM
7.VFM1
8.CFM1
4.TM
14.RRC
12.TRC
2.MM
11.CPFC
6.VFM2
13.PSPS
16.CNTFAN
3.POM
10.CFM2
7.VFM1
15.HDDFAN
17.PM
AR-M351U/M451U, AR-M355U/M455U EXTERNAL VIEWS AND INTERNAL STRUCTURES 5 - 8
8. Motor, Clutch, Solenoid
A. Scanner unit
B. Engine
No.
Name
Function/Operation
1
SPFM
SPF motor
Original transport in SPF scan
2
SRRC
SPF original resist clutch
SPF original scan timing adjustment
3
SPFC
SPF original feed clutch
SPF original feed roller drive
4
SDSS
SPF original stopper solenoid
SPF original stopper gate drive
5
MIRM
Mirror motor
Mirror base copy lamp base drive
6
SPFS
SPF original feed solenoid
SPF original feed unit drive
7
STMPS
Stamp solenoid
Finish stamp drive (Option AR-SU1 required)
Code
Function/Operation
Type
1
DM
Drum motor
Brushless motor
2
MM
Main motor
Brushless motor
3
POM
Paper exit motor
Stepping motor
4
TM
Toner motor
Synchronous motor
5
LUM
Lift-up motor
Synchronous motor
6
VFM2
Heat exhaust fan motor
Fan motor
7
VFM1
Cooling fan motor
Fan motor
8
CFM1
Suction fan motor
Fan motor
10
CFM2
Ozone exhaust fan motor
Fan motor
11
CPFC
Paper cassette paper feed clutch
12
TRC
Paper transport clutch
13
PSPS
Separation solenoid
14
RRC
Resist roller clutch
15
HDDFAN
Cooling fan motor (for HDD)
Fan motor
16
CNTFAN
Cooling fan motor (for controller)
Fan motor
17
PM
Polygon motor
Polygon motor
1
2
3
4
5
6
7
1.DM
5.LUM
7.VFM1
8.CFM1
4.TM
14.RRC
12.TRC
2.MM
11.CPFC
6.VFM2
13.PSPS
16.CNTFAN
3.POM
10.CFM2
7.VFM1
15.HDDFAN
17.PM
Display
