Drum Charge; Overview - Ricoh R-C4 Service Manual

DRUM CHARGE

21 July 2006
6.8 DRUM CHARGE

6.8.1 OVERVIEW

[C]
[D]
[A]
[B]
B205D921.WMF
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 –
900V.
The high voltage supply board gives a negative dc voltage to the drum charge
roller through the spring [C] and terminal plate [D].
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