Ricoh V-C3 D081, Руководство по обслуживанию на месте, Страница: 285 / 1092

4. Replacement and Adjustments
General Cautions
• Never switch off either power switch while any of the electrical components are operating. Doing so
might cause damage to units such as the transfer belt, drum, and development unit when they are
pulled out of or put back into the main machine.
Drum
An organic photoconductor (OPC) drums are more sensitive to light and ammonia gas than a selenium
drum. Follow the cautions below when handling an OPC drum.
1. When a PCU unit is removed from the machine, always place it on the PCU stand provided with the
machine.
2. Never expose a drum to direct sunlight.
3. Never expose a drum to direct light of more than 1,000 Lux for more than a minute.
4. Never touch a drum surface with bare hands. If the drum surface is touched with a finger or becomes
dirty, wipe it with a dry cloth or clean it with wet cotton. Wipe with a dry cloth after cleaning with wet
cotton.
5. Never use alcohol to clean the drum (alcohol dissolves the drum surface).
6. Store drums in a cool, dry place away from heat.
7. Take care not to scratch the drum as the drum layer is thin and is easily damaged.
8. Never expose a drum to corrosive gases such as ammonia gas.
9. Dispose of used drums in accordance with local regulations.
PCU
1. The PCU stand is stored in a rack attached to the bottom of the machine with strong magnets.
2. Before pulling a PCU unit out of the machine, spread some clean paper to catch spilt toner, remove
the PCU stand from the bottom of the machine, clean it with a clean cloth, and then set the PCU stand
on the paper to hold the PCU as soon as it is removed from the machine.
3. To prevent drum scratches, always set the PCU on the stand and leave it there as long as it is out of
the machine.
4. Remove only one PCU at a time for servicing. Only one PCU stand is provided with the machine.
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