Lexmark 500n Printer User Manual


 
General information 1-21
5023-110
Basic structure of the print system
The print system process consists of the following:
1. The OPC belt is biased to the -CBV(V) by power supply CBV.
2. The OPC belt is then evenly charged to the negative high voltage by the OPC charging system. The
charging system consists of a charging brush that is biased by power supply CHV and a discharge
roller that is biased by power supply DCV.
3. The developer roller in the toner cartridge is biased to
-DBV(V) by power supply DBV.
4. Frame potential of transfer drum is GND.