Sharp AR-505 (serv.man10) Service Manual ▷ View online
(8) Glass section
No.
Name
Work
item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Table glass
Clean
80 K
90 K
125K
2
White reference glass (OC)
Clean
80 K
90 K
125K
3
RSPF glass
Clean
—
—
125K
(9) Scanner section
No.
Name
Work
item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Lens
Clean
80 K
90 K
125K
Do not use screws.
2
Sensors
Clean
80 K
90 K
125K
3
Drive belt
Check
80 K
90 K
125K
4
Drive wire
Check
80 K
90 K
125K
1
2
3
1
2
2
4
4
3
8 – 13
8/6/1999
E. ICU peripheral
AR-250/280/281/285/286/335/336/405
AR-501/505
∗
Screw of 1)-1 and that of 1)-2 are different from each other.
(1) HD unit
(2) ICU PWB
1-1
1-2
1-1
1-2
1-1
2
1-1
1-2
2
1-1
1-2
1-1
1
2
2
2
2
3
3
4
5
5
8/6/1999
8 – 14
(3) SCSI PWB (AR-501/505)
F. Laser unit
∗
Never let the laser beam directly come into your eyes, or you may
go blind.
go blind.
∗
When installing the laser unit, check that the three points a, b, and
c are securely in positions. If not, printing errors may occur.
c are securely in positions. If not, printing errors may occur.
∗
Do not open the LSU cover (top plate).
(1) Laser scanner unit
1
2
4
3
1
2
4
3
AR-250/280/281/285/335/336
AR-405/501/505
1
No.
Name
Work item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Dust-proof glass
Clean
80 K
90 K
125K
8 – 15
8/6/1999
G. Manual paper feed tray unit
(1) Manual feed paper sensor
(2) Rollers/torque limiters
1
2
3
1
3
2
2
1
1
2
2
1
2
1
1
1
No.
Name
Work item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Rollers
Clean
80 K
90 K
125K
Check
80 K
90 K
125K
Replace
40 K or
2 years
40 K or 2 years
40K or
2 years
Reference: manual paper feed port counter
2
Torque limiter
Check
80 K
90 K
125K
Replace
120 K or
2 years
120 K or
2 years
120K or
2 years
Reference: manual paper feed port counter
8/6/1999
8 – 16
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