4 ] External View And Internal Structure; 5 ] Opereational Descriptions - Sharp AR-RP1 Service Manual

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