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GENERAL CAUTIONS
3.4 GENERAL CAUTIONS
3.4.1 PCU (PHOTOCONDUCTOR UNIT)
The PCU consists of the OPC drum, development unit, charge roller, and cleaning
unit. Follow the cautions below when handling a PCU.
1. Never touch the drum surface with bare hands. When the drum surface is
touched or becomes dirty, wipe it with a dry cloth or clean it with wet cotton.
Wipe with a dry cloth after cleaning with the cotton.
2. Never used alcohol to clean the drum; alcohol dissolves the drum surface.
3. Store the PCU in a cool, dry place away from heat.
4. Never expose the drum to corrosive gases such as ammonia gas.
5. Never shake the used PCU. Doing so may cause toner and/or developer to spill
out.
6. Dispose of used PCUs in accordance with local regulations.
3.4.2 TRANSFER ROLLER UNIT
1. Never touch the transfer roller surface with bare hands.
Take care not to scratch the transfer roller as the surface is easily damaged.
2.
3.4.3 SCANNER UNIT
1. Clean the exposure glass with alcohol or with glass cleaner to reduce the
amount of static electricity on the surface of the glass.
2. Use a blower brush or a cotton pad with water to clean the mirrors and lens.
3. Do not bend or crease the exposure lamp flat cable.
4. Do not disassemble the lens unit. Doing so will throw the lens and the copy
image out of focus.
5. Do not turn any of the CCD positioning screws. Doing so will throw the CCD out
of position.
B205/B209/D007/D008
3-2
SM
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