3) Horizontal Black Band
Description : Dark or blurry horizontal stripes occur in the printing periodically.
(They may not occur periodically.)
2. The rollers of
developer may be stained.
1. Bad contacts of the voltage
terminals to developer.
Clean each voltage terminal of
the Charge.
Supply, Develop, OPC Gnd and
Transfer roller. (remove the toner
particles and paper particles)
1. Clean the right Gear that has
relatively small gap of the teeth
in the OPC.
2. If the malfunction persists,
replace the developer.
OPC Drum = 62.5 mm
Charge Roller = 26.7 mm
Supply Roller = 47.5 mm
Develop Roller = 35.2 mm
Transfer Roller = 39.2 mm
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