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Model
AR-505 (serv.man7)
Pages
11
Size
835.78 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR505 Service Manual-External View Internal Structure
File
ar-505-sm7.pdf
Date

Sharp AR-505 (serv.man7) Service Manual ▷ View online

H. RADF (AR-285/286/335/336/405 only)
1) Main parts
No.
Function, operation
1
Original stopper
2
A21 weight plate
3
Semi-circular roller
4
Paper exit roller
5
Flapper
6
Reverse roller
7
Transport belt follower roller
8
Original transport belt
9
Transport belt drive roller
10
Paper feed roller
11
Resist roller
12
Separation roller
2) PWB distribution
No.
Name
Function, operation
1
Control PWB
RADF unit control, PCU
communication
2
Reverse sensor PWB
Document reverse detection
3
LED PWB
Document feed, document
remaining display
4
Original timing sensor
PWB
Document timing detection
5
Original reverse
sensor PWB
Document feed detection
3) Motors, solenoids, and clutches
No.
Code
Name
Type
1
DFM
Paper feed motor
DC motor
2
DTM
Transport motor
Stepping motor
3
DRM
Reverse motor
Stepping motor
4
DRSOL
Reverse solenoid
DC solenoid
5
DFSOL
Paper feed solenoid
DC solenoid
4) Sensors, switches, detectors
No.
Code
Functions and operations
1
DLS2
Original length detection on the tray (Inch series
only)
2
TGOD
Reverse cover open/close detection
3
RDD
Turns HIGH when the original lead edge is
transported to the reverse/paper exit path.
4
DWVR
Original width detection on the tray
5
DTD
Turns HIGH when the original lead edge is
transported from the paper feed section to the
vicinity of the transport belt.
6
DFD
Turns HIGH when the original lead edge is fed
just in front of the resist roller.
7
DWS
Original width detection
8
FGOD
Paper feed cover open/close detection
9
DFMRS
Paper feed motor rotation detection
10
AUOD
ADF unit open/close detection
11
DSS
Original detection on the tray
12
DLS1
Original length detection on the tray
12
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
3 
 
2
 
 
1 
 
5 
4
 
10
9
 
11
12
2
4
8
7
6
5
3
1
AR-505
5 – 8
8/6/1999
I. RSPF (AR-501/505 only)
A. Roller
6
5
4
3
2
1
7
No.
Name
1
Paper exit roller
2
Read roller
3
Resist roller
4
Paper feed roller
5
Separation pad
6
Pickup roller
7
SB roller
B. Sensor, switch, solenoid, motor
No.
Code
Name
Type
Function and operation
1
FMOT
Transport motor
Stepping motor
Transport and document read motor
2
DCFAN
Fan motor
Transport motor cooling fan
3
ACL
Paper feed clutch
Document feed clutch
4
MCLKS
DCMCLK
Photo transmission
DC motor encoder sensor
5
AMOT
Paper feed motor
DC motor
Document feed motor
6
PBA-CONTROL
Control PWB
RSPF control PWB
7
TRS-L
Tray sensor L
Photo transmission
Document tray longitudinal direction sensor
8
TRS-S
Tray sensor S
Photo transmission
Document tray traverse direction sensor
9
TRVR
Size volume
Document tray width direction detection volume
10
EMPS
Empty sensor
Photo transmission
Document sensor set on the document tray
11
JAMOPEN
Jam open switch
RSPF jam cover open/close detection
12
SBSOL
Pressure solenoid
Reversing path document pressure solenoid
13
FLPSOL2
Flapper solenoid 2
Read roller and document exit select solenoid
14
FLPSOL1
Flapper solenoid 1
Reversing path and read roller select solenoid
15
DFOPEN
DFOPENF
Photo transmission
RSPF open sensor
16
RDS
Read sensor
Reflection
Document read timing sensor
17
REJI
Resist sensor
Photo transmission
Paper feed resist timing sensor
18
EXITS
Paper exit sensor
Photo transmission
Document exit sensor
19
SBS
SB sensor
Reflection
Reversing path document sensor
20
SPS
Post-separation sensor
Reflection
Feeding document size sensor
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 20
AR-505
8/6/1999
5 – 9
J. ADU (AR-285/335/505 only)
8
9
10
11
7
12
13
14
15
16
17
18
1
2
3
4
6
5
No.
Code
Name
Type
Function and operation
1
Reverse motor
Pulse motor
Paper reversion and transport drive
2
Alignment motor
Pulse motor
Paper alignment plate drive
3
Alignment belt (232MXL)
Paper transport
4
DTC1
Transport clutch 1
Electromagnetic clutch
5
Alignment plate home position detector
Photo transmission
Alignment plate home position detection
6
DTC2
Transport clutch 2
Electromagnetic clutch
7
DPPD3
Paper in detector 3
Photo transmission
ADU tray paper in detection
8
Transport roller 3
ADU tray paper transport
9
Transport belt (145MXL)
Transport roller drive
10
Transport roller 2
ADU tray paper transport
11
DPPD2
Paper in detector 2
Photo transmission
ADU tray paper in detection
12
Transport roller 1
ADU tray paper transport
13
Belt B
Transport roller drive
14
DSBS
Paper exit/reverse gate solenoid
Solenoid
Selection of paper exit to the lower stage of the 2-tray paper
exit unit and the reverse route
15
Reverse roller 
Selection of paper retaining and transport in paper reversion
16
DSCS
Contact/detach solenoid
Solenoid
Selection of paper storing and transport in ADU tray
17
Transport roller
Paper transport
18
DPPD1
Paper in detector 1
Photo transmission
ADU tray paper in detection
AR-505
5 – 10
8/6/1999
J. ADU (AR-285/335/505 only)
8
9
10
11
7
12
13
14
15
16
17
18
1
2
3
4
6
5
No.
Code
Name
Type
Function and operation
1
Reverse motor
Pulse motor
Paper reversion and transport drive
2
Alignment motor
Pulse motor
Paper alignment plate drive
3
Alignment belt (232MXL)
Paper transport
4
DTC1
Transport clutch 1
Electromagnetic clutch
5
Alignment plate home position detector
Photo transmission
Alignment plate home position detection
6
DTC2
Transport clutch 2
Electromagnetic clutch
7
DPPD3
Paper in detector 3
Photo transmission
ADU tray paper in detection
8
Transport roller 3
ADU tray paper transport
9
Transport belt (145MXL)
Transport roller drive
10
Transport roller 2
ADU tray paper transport
11
DPPD2
Paper in detector 2
Photo transmission
ADU tray paper in detection
12
Transport roller 1
ADU tray paper transport
13
Belt B
Transport roller drive
14
DSBS
Paper exit/reverse gate solenoid
Solenoid
Selection of paper exit to the lower stage of the 2-tray paper
exit unit and the reverse route
15
Reverse roller 
Selection of paper retaining and transport in paper reversion
16
DSCS
Contact/detach solenoid
Solenoid
Selection of paper storing and transport in ADU tray
17
Transport roller
Paper transport
18
DPPD1
Paper in detector 1
Photo transmission
ADU tray paper in detection
AR-505
5 – 10
8/6/1999
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