Ricoh K-C3.1 - Page 52

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Slide 52
Development Bias
 White areas: High negative charge (-950V)
 Black areas: Discharged by the laser (about -150V)
 Development bias (-650V): Forces the negatively-charged toner onto the
discharged areas of the drum.
 Applied to development roller shaft through drive shaft.
Bias terminal
Development roller
.