15 February 2006 DRUM UNIT
3-37
Replacement
Adjustment
3.6.5 OPC DRUM REMOVAL
Development unit (☛ 3.6.1)
Charge corona unit (☛ 3.6.2)
[A]: Drum unit ( x 1, x 1)
• Grasp the drum unit by the knob to remove it from the machine.
[B]: OPC drum
After replacing the drum, do the following SPs:
• Set SP2001-001 (Charge Roller Bias Adjustment – Applied Voltage for Image
Processing) to the default setting.
• SP2962 (Adjustment of Drum Conditions), only if SP3901 (Auto Process
Control) is on.
NOTE: 1) To avoid fingerprints on the surface of the OPC drum, never touch the
surface of the drum with bare fingers.
2) Never use alcohol to clean the surface of the OPC drum. Blow dry the
OPC drum, then wipe clean with a clean, slightly damp cloth.
3) Before installing a new drum, dust the surface of the OPC drum
carefully with setting powder. For more, see next page.
B246R945.WMF
B246R946.WMF
[A]
[B]
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