Read Sharp AR-D12 Service Manual online
[4] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. External view
No.
Name
No. Name
1
Paper feed tray
2
Paper feed right cover
2. Internal structure
Motors, sensors, solenoids, etc.
No.
Code
Name
Type
Function/Operation
Remark
1
PWB
Interface PWB
–
2
Drive motor
Hybrid
Drives gears.
3
LUM1AD
Lift-up motor (No. 1 tray)
4
/PCLIA
Paper feed clutch
Electromagnetic clutch
Rotates the paper feed roller.
5
TRCLA
Transport clutch
Electromagnetic clutch
Rotates the transport roller.
6
CSS1
Cassette detection SW
Contact
Detects cassette empty.
7
CSS2
Cassette detection SW
Contact
Detects cassette empty.
AR-D12 only
8
LUM2B
Lift-up motor (No. 2 tray)
9
/PCS1B
Paper feed solenoid
DC solenoid
Feeds paper.
10
DRS1
Door open/close detection SW
Contact
Detects door open/close.
11
DRS2
Door open/close detection SW
Contact
Detects door open/close.
AR-D12 only
12
PAP1
Paper empty sensor
Photo transmission
Detects paper empty in the cassette.
13
LUD1
Upper limit sensor
Photo transmission
Detects the upper limit for paper pickup.
14
PPD1
Paper entry sensor
Photo transmission
Detects paper transport.
15
PAP2
Paper empty sensor
Photo transmission
Detects paper empty in the cassette.
AR-D12 only
16
LUD2
Upper limit sensor
Photo transmission
Detects the upper limit for paper pickup.
AR-D12 only
17
PPD2
Paper empty sensor
Photo transmission
Detects paper transport.
AR-D12 only
18
/PCS2
Paper feed solenoid
DC solenoid
Feeds paper.
AR-D12 only
AR-D12
AR-D11
1
2
2
1
1
2
3
4
5
6
9
18
12
7
8
14
13
15
16
17
10
11
4
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