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Service Manual for OL400e/OL410e/OL410e-PS
Chapter 2 Principles of Operation
2.4.07 Transfer
The transfer roller is made of a conductive sponge material. The roller keeps the paper in
constant contact with the image drum. Paper is placed over the image drum surface. A
positive charge (opposite in polarity to the toner) is applied to the paper from the reverse
side.
A charged particle will be attracted to a particle having a MORE POSITIVE charge than
its own.
A high positive charge is applied to the transfer roller by the power supply board. This
induced charge (on the surface of the transfer roller) is transferred to the paper when
contact is made between the transfer roller and the paper. The lower side of the paper
is positively charged. The negatively charged toner (on the image drum) is transferred to
the upper side of the paper because of the positive charge on the lower side of the paper.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
Содержание OL400e Series
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