Ricoh M080, Service Manual

Page: 58 / 294

Laser Unit
M080 4-10 SM
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Use the scanner positioning pins (P/N: A0069104) to reinstall the unit.
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Set the positioning pins as shown above. Then secure the laser unit.
4.4.5 LASER DIODE UNIT
1. Laser Unit ( p.4-9)
2. Spring [A]
3. LD unit holders [B] (x 2)
4. Loosen the screw [C]
5. Nut [D]
6. LD Unit [E]
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Do not remove the screws that secure the LD board.
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Do not touch any variable resistors on the LD board.
When Reinstalling the Laser Diode Unit:
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Tighten the screw [C] until the unpainted portion of the screw is not visible.
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After installing the LD unit, check the test pattern for the final adjustment (see the following