What is PCR-Primary Charge Roller

As a core part of laser printer’s electrostatic imaging system, the charging roller eliminates residual charge and coats the photosensitive drum with uniform charge, laying the foundation for subsequent electrostatic latent image and toner···...More>>

Common Issues with Charging Rollers and Their Impact on Printing Quality

Common charging roller issues: surface contamination, wear & aging, scratches, improper installation, high-voltage faults! These cause printed black lines, background gray, blurriness, black edges, all-white/all-black pages. Learn detailed ···...More>>

What we can offer for copier's replacement LCD touch screen

RuiMing Office offers kinds of Touch Screen for Minolta,Canon,Xerox,Ricoh,Kyocera,Sharp Copiers....More>>

Uses and Precautions for Aftermarket Compatible Copier Touchscreens

RuiMing Office supplies wide range of high quality touch screen for Minolta,Sharp,Xerox, Kyocera,Panasonic,Canon, Toshiba,Ricoh...More>>

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>>