SHARP ARRP1 EXTERNAL VIEW
[4] EXTERNAL VIEW AND
INTERNAL STRUCTURE
1. External view
1
2
5
No. Code Name Type
9 Transport clutch
10
11
12 — Interface PWB — —
13
3
14
15
4
SPF motor Stepping
Gate solenoid
Document length
detection SW
(Short)
Document length
detection SW
(Long)
Book sensor Detects the SPF
——
Drives document
motor
feed on the tray,
transport, and
paper exit roller.
——
Detects the
document length on
the tray.
Detects the
document length on
the tray.
float.
No. Name
1 Document set tray
2 Document guide
3 Document feed secti on cover
4 Document transport sect ion cover
5 Document exit section
2. Internal structure
14
13
15
5
4
3
Sensor, detector, etc.
No. Code Name Type
1 Document set
sensor
2
3
4
5
6
7
8
Open/close sensor Detects open/close
Document width
sensor (A4R, LTR,
A5)
Document width
sensor (B4, B5)
Document width
sensor (WL, TR,
A5R, A4, LT9
Pickup solenoid
Paper entry sensor Detects presence of
Pressure release
solenoid
12
11
10
8
9
6
7
2
1
Detects presence of
documents.
of the paper feed
unit.
Detects the
document width on
the tray.
Detects the
document width on
the tray.
Detects the
document width on
the tray.
——
documents.
——
[5] OPEREATIONAL
DESCRIPTIONS
1. Major parts of the paper fed section
12 3,45678
910111213 141516
No. Part name Operation
1 Document lengt h sensor
(L2)
2 Document lengt h sensor
(L1)
3
4 Document width sensor
(W1, W2, W3)
5 Pickup roller Picks up documents.
6 Paper feed roller Feeds and transports documents.
7 Paper entry sensor
(PAPER)
8 PS roller Makes synchronization betw een the
9 PS follower roller Makes synchronization betw een the
10 Transport roller Transports documents.
11 Transport follower roller Transports documents.
12 Paper exit follower roller Discharges documents.
13 Paper exit roller Discharges documents.
14 Reverse gate Opens/closes the document
15 Paper exit gate Separate document exit to the
16 Intermediate tray Discharges documents to the
Detects the document length on the
tray.
Detects the document length on the
tray.
Detects presence of documen t s.
Detects the document width.
Detects transport of do cuments.
document lead edge and the image
lead edge.
document lead edge and the image
lead edge.
reverse path.
intermediate or the paper exit tray.
intermediate tray during document
reverse.
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