B245/B276/B277/B268/B269 Service Manual 18-Jan-06
224
Drum Charge
Overview
This copier uses a drum charge roller to charge the drum. The drum charge roller [A] always
contacts the surface of the drum [B] to give it a negative charge of –950 V.
The high voltage supply board gives a negative charge of –1700 V to the drum charge roller
through the screw [C] and terminal plate [D]. This voltage can be changed using SP 2001 1.
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