Ricoh G-P3 Service Manual page 395

6. Detailed Function Descriptions
To clean the transfer roller, positive and negative voltages are applied to this roller to pull toner particles
from the transfer roller to the belt. The belt-cleaning mechanism then removes this toner from the belt.
Discharge
6
The discharge plate [A] removes remaining voltage from the printed paper. This is given a positive voltage.
As a result, the voltage is cancelled and paper separation from the transfer belt occurs.
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