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Ricoh Co. Ltd.
http://www.ricoh.com/
M049 (MF-2a) / M048 (MF-2b)
Slide 29
Charge - 1/2
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Small diameter OPC (Organic Photoconductor) drum allows very
compact design.
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Charge roller charges the photoconductor, with the advantage of not
generating ozone - giving OPC drum surface negative charge.
More on Charge
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The charge roller is of a design that doesn’t generate ozone. A high negative voltage is applied from the Power Supply Unit board to the charge roller,
resulting in the OPC drum surface having a negative charge.
