Causes and solutions for the bottom ash when printing or copying

how to solve print page's bottom ash...More>>

How to judge the quality of toner powder

Five key aspects for toner powder quality...More>>

Common faults of PCR

The problems of primary charge roller are mainly concentrated in the following aspects:Problems in physical dimensions1. Burrs on the film sleeve of the charging rollerThe main reason: the resistance of the burrs is too high, which causes c···...More>>

What is Primary charge roller(PCR)?

Primary charge roller(PCR) is composed of a cylindrical metal stick and conductive rubber. Its main function is to give the OPC drum a uniform charge to absorb toner powder and to eliminate the residual potential on the OPC drum.PCR adopts ···...More>>