Sharp AR-D17-19 (serv.man2) Service Manual ▷ View online
AR-D17/D18/D19 INTERNAL STRUCTURE 3 - 3
2. AR-D18
A. Motors, clutches, solenoids
B. PWB, sensors
No.
Name
Code
Function/Operation
1
Paper feed drive motor
DM
Drives the paper feed section and the paper transport section.
2
Lift motor
DLM
Drives the lift plate.
3
Transport clutch
DTRC
Controls ON/OF of the transport roller.
4
Paper feed clutch
DPFC
Controls ON/OFF of the paper feed roller.
5
Pickup solenoid
DPFS
Presses the paper pickup roller onto paper.
No.
Name
Code
Function/Operation
1
Desk control PWB
Controls and drives the desk and reverse control.
2
Paper empty sensor
DPED
Senses paper empty in the paper tray.
3
Paper upper limit sensor
DLUD
Senses the upper limit of paper.
4
PC interface PWB
Relays the software writing signals.
5
Lifter PWB
Relays the paper size detection, the paper remain detection and each loads to the
paper tray units.
paper tray units.
6
Paper transport sensor 1
DPPD1
Senses the paper transport.
7
PFD PWB
Senses the paper transport 2, 3 and the door.
8
Remaining paper quantity sensor
DCSPS
Senses the remaining paper quantity.
9
Paper transport sensor 2
DPPD2
Senses the paper transport.
10
Door open/close sensor
DDOPD
Senses the door open/close.
11
Paper transport sensor 3
DPPD3
Senses the paper transport.
1
2
3
4
5
2
2
2
4
5
4
5
7
3
5
6
5
8
9
9
10
11
11
8
2
3
2
1
2
3
4
5
8
AR-D17/D18/D19 INTERNAL STRUCTURE 3 - 4
C. Cross sectional view
No.
Name
Function/Operation
1
Paper pickup roller
Picks up and transports paper from the paper tray.
2
Separation roller
Separates and transports paper in the paper tray.
3
Paper feed roller
Transports paper in the paper tray.
4
Vertical transport roller upper
Transports paper from the desk to the main unit.
5
Idle roller
Presses the vertical transport roller upper onto paper.
6
Idle roller
Reduces the paper pickup load on the vertical transport roller upper.
7
Paper tray paper feed unit
Picks up and separates and transports paper in the paper tray.
8
Vertical transport roller
Transports paper.
9
Idle roller
Presses the vertical transport roller onto paper.
10
Idle roller
Reduces the paper pickup load on the vertical transport roller.
11
Idle roller
Presses the vertical transport roller onto paper.
12
Vertical transport roller
Transports paper.
13
Idle roller
Reduces the paper pickup load on the vertical transport roller.
1
2
3
4
5
6
7
7
7
7
8
9
1
2
2
12
3
10
11
13
2
3
1
AR-D17/D18/D19 INTERNAL STRUCTURE 3 - 5
3. AR-D19
A. Motors, clutches, solenoids
B. PWB, sensors, switches
No.
Name
Code
Function/Operation
1
ADU transport motor
ATM
Drives the paper transport section in ADU.
2
ADU transport clutch
ATRC
Controls ON/OFF of the transport roller in ADU.
3
Alignment motor
APAM
Aligns the paper in ADU.
4
Paper feed drive motor
DM
Drives the paper feed section and the paper transport section.
5
Transport clutch
DTRC
Controls ON/OFF of the transport roller.
6
Lift motor
DLM
Drives the lift plate.
7
Paper feed clutch
DPFC
Controls ON/OFF of the paper feed roller.
8
Pickup solenoid
DPFS
Presses the paper pickup roller onto paper.
No.
Name
Code
Function/Operation
1
ADU transport sensor 1
APPD1
Senses paper transport in ADU.
2
Desk control PWB
Controls and drives the desk and reverse control.
3
Alignment plate home position sensor
APHPS
Senses the alignment plate in ADU.
4
PC interface PWB
Relays the software writing signals.
5
ADU transport sensor 2
APPD2
Senses paper transport in ADU.
6
ADU interface PWB
Relays the loads in ADU.
7
Lifter PWB
Relays paper size detection, remaining paper quantity detection and each loads on
the paper feed unit.
the paper feed unit.
8
Paper transport sensor 1
DPPD1
Senses paper transport.
9
PFD PWB
Controls the transport sensor 2, 3 and the door detection.
10
Paper upper limit sensor
DLUD
Senses the upper limit of paper.
11
Paper empty sensor
DPED
Senses paper empty in the paper tray.
12
Paper remaining paper quantity sensor
DCSPS
Senses the remaining paper quantity.
13
Paper transport sensor 2
DPPD2
Seenses paper transport.
14
Door open/close sensor
DDOPD
Senses the right door open/close.
15
Paper transport sensor 3
DPPD3
Senses paper transport.
4
3
2
1
5
6
6
7
8
7
8
9
10
7
8
7
12
13
13
14
15
15
12
11
10
11
2
3
4
5
6
1
AR-D17/D18/D19 INTERNAL STRUCTURE 3 - 6
C. Cross sectional view
No.
Name
Function/Operation
1
Idle roller
Presses the ADU roller 1 onto paper.
2
ADU roller 1
Transports paper from the reverse unit.
3
Idle roller
Presses the ADU roller 2 onto paper.
4
ADU roller 2
Transports paper.
5
Idle roller
Presses the ADU roller 3 onto paper.
6
ADU roller 3
Transports paper.
7
Idle roller
Presses the ADU roller 4 onto paper.
8
ADU roller 4
Transports paper.
9
Idle roller
Presses the ADU roller 5 onto paper.
10
ADU roller 5
Aligns paper then transports paper from ADU to the desk.
11
Idle roller
Reduces the paper transport loads.
12
Vertical transport roller upper
Transports paper from the desk to the main unit.
13
Idle roller
Presses the transport roller upper onto paper.
14
Idle roller
Reduces the paper pickup load on the vertical transport roller upper.
15
Vertical transport roller
Transports paper.
16
Idle roller
Presses the transport roller onto paper.
17
Idle roller
Reduces the paper pickup load on the vertical transport roller.
18
Paper feed roller
Transports paper in the paper tray.
19
Paper pickup roller
Picks up to transport paper in the paper tray.
20
Separation roller
Separates to transport paper in the paper tray.
21
Paper tray paper feed unit
Picks up and separates and transports paper in the paper tray.
22
Idle roller
Presses the vertical transport roller onto paper.
23
Vertical transport roller
Transport paper.
24
Idle roller
Reduces the paper pickup load on the vertical transport roller.
25
Paper tray paper feed unit
Picks up and separates and transports paper in the paper tray.
26
Separation roller
Separates and transports paper in the paper tray.
27
Paper feed roller
Transports paper in the paper tray.
28
Paper pickup roller
Picks up and transports paper in the paper tray.
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3
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5
6
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15
10
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14
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