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Advantages and disadvantages of charging roller

- Mar 03, 2018 -

Roll charging is the mainstream technology of laser printer charging, which is different from the traditional corona charging mode.

Advantages: simple and compact structure, high charging efficiency, low voltage charging, reduction of ozone and oxygen nitrides, is beneficial to environmental protection.

Disadvantages: if the charge is not uniform, resulting in uneven image density, generates a periodic stripe, so it must be in the applied DC voltage and AC bias pulse superposition, to improve the uniformity of charging, which attaches great importance to the ability to charge the charging roller and charging performance parameters of frequency spectrum.

At present, some laser printers used in charging brush roller form a conductive polymer fiber for charging, the use of micro principle and contact discharge, it has the advantages of the above two charging mode, can achieve the effect of uniform charging, to obtain high quality image output.

Charging Roller.jpg

Editor’s Note: This post was Published by Proffisy on 03 March,2018.

Previous: Common Fault of Charging Roller (1) Next: Working principle of charging roller

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