Sharp AR-505 (serv.man10) Service Manual ▷ View online
(6) Transfer/separation charger
(The illustrations are the same as those of the AR-335.)
∗
When replacing the charger wire:
•
Be careful not to twist or bend the wire.
•
Stretch the wire so that the tension spring length is as shown
above.
above.
•
Securely put the charger wire in the groove.
1
1
2
1
10 0.5mm
1
2
3
No.
Name
Work item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/
505
1
Charger wire (TC/AC)
Replace
80 K
90 K
125K
2
Charger case (MC/TC/AC)
Clean
80 K
90 K
125K
3
Separation lamp
Clean
—
—
125K
8 – 9
8/6/1999
C. Discharge lamp
(1) Discharge lamp
3
2
1
4
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
Discharge lamp
Clean
80 K
90 K
125K
D. Scanner unit (Optical system)
(1) Table glass
AR-250/280/281/285/286/335/336/405
AR-501/505
∗
Table glass installing direction
•
Install the table glass so that the white marking on the glass is in
the paper feed direction rear side.
the paper feed direction rear side.
(2) White reference glass (SPF/RSPF scan glass)
AR-250/280/281/285/286/335/336/405
AR-501/505
1
2
3
1
1
2
3
8/6/1999
8 – 10
*
The shape of the glass holder differs depending on the model.
*
Attach the glass along the guide so that the white pain section of
the white reference glass faces downward as shown above.
the white reference glass faces downward as shown above.
*
When handling the white reference glass, be careful not to scratch
the white pain section and keep it from dirt or dust.
the white pain section and keep it from dirt or dust.
(3) CCD unit
*
Never loosen the screws other than those which are shown in the
above figure.
If loosened, the adjustment cannot be made in the market.
above figure.
If loosened, the adjustment cannot be made in the market.
*
When removing the CCD unit, mark the installing position.
*
When installing again, perform the main scanning direction magni-
fication ratio adjustment (CCD unit installing position adjustment)
described above.
fication ratio adjustment (CCD unit installing position adjustment)
described above.
(4) Copy lamp
*
Note for assembling the copy lamp unit
Shift the copy lamp unit to the paper exit side, and fix it with the
harness guide so that the distance from the lower frame is about 24
harness guide so that the distance from the lower frame is about 24
±
2mm, (25 ~ 30mm) with the copy lamp harness extended.
If the copy lamp harness is loosely fixed, the copy lamp unit may jump
up when reading, resulting in abnormal reading.
up when reading, resulting in abnormal reading.
Upper side
Guide
White paint section
Paper exit
side
side
1
1
2
3
4
5
3
3
2
1
3
24±2mm
AR-505
8 – 11
8/18/1999
(5) Mirror base unit
No.
Name
Work item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Mirror
Clean
80 K
90 K
125K
2
Pulley
Check
80 K
90 K
125K
(6) Copy lamp unit
No.
Name
Work
item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Reflector
Clean
80 K
90 K
125K
2
Mirror
Clean
80 K
90 K
125K
(7) Rails
No.
Name
Work item
Cycle
Remark
AR-250/280/281/
285/286/335/336
285/286/335/336
AR-405
AR-501/505
1
Rails
Lubricate
80 K
90 K
125K
1
2
1
2
AR-280/285/335
AR-250/281/286/336/405/501/505
2
1
2
1
1
1
8/6/1999
8 – 12
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