Read Sharp AR-RP7 (serv.man2) Service Manual online
AR-RP7
OPEREATIONAL DESCRIPTIONS
– 5 –
Sensor, detector, etc.
[5] OPEREATIONAL DESCRIPTIONS
1. Major parts of the paper feed section
No.
Code
Name
Type
Function/Operation
1
EMPS
Document set sensor
Photo transmission
Detects presence of documents.
2
FGOD
Open/close sensor
Photo transmission
Detects open/close of the paper feed unit.
3
DFCL
Paper feed clutch
—
—
4
DFD
Paper entry sensor
Photo transmission
Detects presence of documents.
5
RSOL
Pressure release solenoid
—
—
6
CLH
Transport clutch
—
—
7
DTM
SPF motor
Stepping motor
Drives document feed on the tray, transport, and paper exit roller.
8
GSOL
Gate solenoid
—
—
9
—
Interface PWB
—
—
10
DLS1
Document length detection SW (Short) Photo transmission
Detects the document length on the tray.
11
DLS2
Document length detection SW (Long)
Photo transmission
Detects the document length on the tray.
12
OPCLS
Book sensor
Photo transmission
Detects the SPF float.
13
RDD
Paper exit sensor
Photo transmission
Detects presence of documents.
14
SWD
Document width sensor
Volume
Detects the document width on the tray.
No.
Part name
Operation
1
Document length sensor (L2)
Detects the document length on the tray.
2
Document length sensor (L1)
Detects the document length on the tray.
3
Document set sensor
Detects presence of documents.
4
Document width sensor
Detects the document width.
5
Pickup roller
Picks up documents.
6
Paper feed roller
Feeds and transports documents.
7
Paper entry sensor (PAPER)
Detects transport of documents.
8
PS roller
Makes synchronization between the document lead edge and the image lead edge.
9
PS follower roller
Makes synchronization between the document lead edge and the image lead edge.
10
Transport roller 2
Transports documents.
11
Transport follower roller 2
Transports documents.
12
Paper exit sensor (PO)
Detects transport of documents.
13
Paper exit follower roller
Discharges documents.
14
Paper exit roller
Discharges documents.
15
Reverse gate
Opens/closes the document reverse path.
16
Paper exit gate
Separate document exit to the intermediate or the paper exit tray.
17
Intermediate tray
Discharges documents to the intermediate tray during document reverse.
18
Transport roller 1
Transports documents.
19
Transport follower roller 1
Transports documents.
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3
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9
10
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18
11
13
14
15
16
17
12
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