Sharp AR-285 (serv.man14) Service Manual ▷ View online
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
10. Paper transport section
A. paper transport unit
B. Suction unit
When assembling, be sure to connect the earth line.
When installing the belt, install so that the arrow mark on the belt
faces in the paper feed direction.
faces in the paper feed direction.
11. Fusing unit
The fusing unit is heated to a very high temperature. When han-
dling it, be careful of burning.
dling it, be careful of burning.
A. Thermistor
1)
2)
2)
3)
3)
4)
1)
2)
3)
4)
2)
1)
3)
2)
1)
1)
2)
3)
3)
4)
4)
5)
10 – 8
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