Development Bias - Ricoh B286 Service Manual

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Development

6.6.5 DEVELOPMENT BIAS

The CGB power pack [A] applies a negative bias (-650V) to the development roller [B],
slightly higher than the remaining charge on the drum.
The development bias during copying is set by SP 2201-1 (Development Bias Adjustment –
Image Area).
B286/B289
6-36
SM

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B289

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