Oki OKIFAX 5750 Service Manual page 480

4 Transfer
5 Fusing
6 Cleaning
At the same time, the residual
toner on the Image drum is
attracted to the developing
roller by static electricity.
The recording paper is placed
over the Image drum surface
and a positive charge,
opposite in polarity to the
toner, is applied to the reverse
side of the paper from the
transfer roller. The toner is
attracted by the positive
charge and is transferred to
the paper. The toner charged
negative that is attracted to the
Image drum surface is
transferred to the upper side of
the recording paper by the
positive charge on the lower
side of the paper.
The unfused toner image is
fused on the paper under heat
and pressure as it passes
between the heater roller and
the back-up roller.
Residual toner on the Image