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Service Guide DOC-IT3000/4000
Chapter 2 Principles of Operation
Transfer
Paper is placed over the image drum surface, and a positive charge, opposite in polarity to the
toner, is applied to the paper from its reverse side.
The application of a high voltage (+5kV) from the power supply to the charge wire causes the
paper to be charged positive through a corona discharge.
Negative charges are induced on the image drum surface, bringing the paper into close contact
with the image drum. Toner charged negative that is attracted to the image drum surface is
transferred to the paper by the positive charge on it.
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Summary of Contents for DOC-IT3000
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