Sharp AR-285 (serv.man14) Service Manual ▷ View online
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.
4. Discharge lamp
A. Discharge lamp
5. Scanner unit (Optical system)
A. Table glass
Table glass installing direction
•
Install the table glass so that the white marking on the glass is
in the paper feed direction rear side.
in the paper feed direction rear side.
B. White reference glass (SPF scan glass)
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.
10 0.5mm
3)
2)
1)
4)
1)
2)
3)
1)
1)
2)
3)
Upper side
Guide
White paint section
Paper exit
side
side
10 – 4
C. 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 with the copy lamp harness extended.
After fixing, manually shift the copy lamp unit a few times to check
that it moves smoothly.
that it moves smoothly.
If the copy lamp harness is loosely fixed, the copy lamp unit may
jump up when reading, resulting in abnormal reading.
jump up when reading, resulting in abnormal reading.
D. CCD unit
Never loosen the other screws 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.
2)
1)
3)
24±2mm
1)
1)
2)
3)
4)
5)
3)
3)
10 – 5
6. ICU peripheral
Screw of 1)-1 and that of 1)-2 are different from each other.
A. HD unit
B. ICU PWB
7. 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 mag occur.
c are securely in positions. If not, printing errors mag occur.
1)-1
1)-2
1)-1
1)-2
1)-1
2)
1)
1)
1)
2)
1)
2)
2)
2)
2)
3)
3)
4)
5)
5)
1)
2)
4)
3)
10 – 6
8. Manual feed tray unit
A. Manual feed paper sensor
B. Rollers/torque limiters
9. 500 tray paper feed unit
A. Tray unit
B. Tray paper feed unit
1)
2)
3)
1)
3)
2)
2)
1)
1)
2)
2)
1)
1)
1)
2)
2)
1)
10 – 7
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