FAQ for Toner Cartridges

Primary charge roller (PCR)

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1. PCR structure: HP series charging roller is composed of iron shaft, sponge and casing, and Samsung series is composed of iron shaft and rubber.


2.Working principle: The PCR charges the surface of the OPC with a uniform charge.


3.Note:The PCR cannot be pressed against each other due to their structural reasons and will be deformed;


The surface of the PCR cannot be wiped with a solvent;Failure to use a hard object to collide during operation (eg, tweezers) will damage the surface of the PCR.