Read Sharp AR-RP3 Service Manual online
[5] OPEREATIONAL DESCRIPTIONS
1. Major parts of the paper fed section
No.
Part name
Operation
1
Document length
sensor (L2)
sensor (L2)
Detects the document length on
the tray.
the tray.
2
Document length
sensor (L1)
sensor (L1)
Detects the document length on
the tray.
the tray.
3
Document set sensor
(W0)
(W0)
Detects presence of documents.
4
Document width sensor
(W1, W2, W3)
(W1, W2, W3)
Detects the document width.
5
Pickup roller
Picks up documents.
6
Paper feed roller
Feeds and transports documents.
7
Paper entry sensor
(PAPER)
(PAPER)
Detects transport of documents.
8
PS roller
Makes synchronization between
the document lead edge and the
image lead edge.
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.
the document lead edge and the
image lead edge.
10
Transport roller
Transports documents.
11
Transport follower roller
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.
reverse path.
16
Paper exit gate
Separate document exit to the
intermediate or the paper exit tray.
intermediate or the paper exit tray.
17
Intermediate tray
Discharges documents to the
intermediate tray during document
reverse.
intermediate tray during document
reverse.
2. Out line of operations
[Duplex documents]
1) Document set (Document set sensor ON)
¯
2) Document size detection (Document width sensors W1, W2, W3
detect the document width, and document length sensors L1, L2
detect the document length.)
detect the document length.)
¯
3) Copier COPY key ON
¯
4) SPF motor ON
¯
5) Pickup solenoid ON
¯
6) Pickup roller and paper feed roller rotation
¯
7) Paper entry sensor detects the document presence.
¯
8) PS roller rotation
¯
9)
Copying (Front surface of document)
¯
10) Transport roller rotation
¯
11) Paper exit roller rotation
¯
12) Paper exit gate falls down. (Documents are discharged to the
intermediate tray.)
¯
13) Reverse gate falls down.
¯
14) Paper exit roller reverse rotation (Documents are fed to the re-
verse path.)
¯
15) Paper entry sensor detects document presence.
¯
16) PS roller rotation
¯
17) Copying (Back surface of document)
¯
18) Transport roller rotation
¯
19) Paper exit roller rotation
¯
20) Paper exit gate falls down (Documents are discharged to the
intermediate tray.)
¯
21) Reverse gate falls down.
¯
22) Paper exit roller reverse rotation (Documents are fed to the re-
verse path.)
¯
23) Paper entry sensor detects document presence.
¯
24) PS roller rotation
¯
25) Paper exit roller rotation
¯
26) Paper exit gate lifts up.
¯
27) Documents are fed to the paper exit tray.
¯
28) Next document
®
(YES)
®
Go to 4).
¯
(NO)
29) SPF motor OFF
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3,4 5 6
7 8
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10
11
13
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