Read Sharp AR-RP3 Service Manual online
[4] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. External view
No.
Name
1
Document set tray
2
Document guide
3
Document feed section cover
4
Document transport section cover
5
Document exit section
2. Internal structure
Sensor, detector, etc.
No.
Code
Name
Type
Function/Operation
1
W0
Document set sensor
Photo transmission
Detects presence of documents.
2
COVER
Open/close sensor
Photo transmission
Detects open/close of the paper feed unit.
3
W1
Document width sensor (A4R, LTR, A5)
Photo transmission
Detects the document width on the tray.
4
W2
Document width sensor (B4, B5)
Photo transmission
Detects the document width on the tray.
5
W3
Document width sensor (WL, TR, A5R, A4, LT)
Photo transmission
Detects the document width on the tray.
6
PSOL
Pickup solenoid
—
—
7
PAPER
Paper entry sensor
Photo transmission
Detects presence of documents.
8
RSOL
Pressure release solenoid
—
—
9
CLH
Transport clutch
—
—
10
MOT
SPF motor
Stepping motor
Drives document feed on the tray, transport, and
paper exit roller.
paper exit roller.
11
GSOL
Gate solenoid
—
—
12
—
Interface PWB
—
—
13
L1
Document length detection SW (Short)
Photo transmission
Detects the document length on the tray.
14
L2
Document length detection SW (Long)
Photo transmission
Detects the document length on the tray.
15
COVER OPEN
Book sensor
Photo transmission
Detects the SPF float.
16
PO
Paper exit sensor
Photo transmission
Detects presence of documents.
1
2
3
4
5
1
2
3
4
5
6
7
9
8
10
11
12
13
14
15
16
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