2HA/2HB
1-5-1
1-5 Assemb ly and Disassembly
1-5-1 Precautions for assembly and disassembly
(1) Precautions
Be sure to turn the power switch off and disconnect the power plug before starting disassembly.
When handling PWBs, do not touch connectors with bare hands or damage the board.
Do not touch any PWB containing ICs with bare hands or any object prone to static charge.
Use only the specified parts to replace the fuser unit thermostat. Never substitute electric wires, as the copier may be seri-
ously damaged.
(2) Drum
Note the following when handling or storing the drum.
When removing the drum unit, never expose the drum surface to strong direct light.
Keep the drum at an ambient temperature between -20
°C/-4°F and 55°C/131°F and at a relative humidity not higher than
90% RH. Avoid abrupt changes in temperature and humidity.
Avoid exposure to any substance which is harmful to or may affect the quality of the drum.
Do not touch the drum surface with any object. Should it be touched by hands or stained with oil, clean it.
(3) Toner
Store the toner in a cool, dark place. Avoid direct light and high humidity.
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