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PROCESS
IMAGE FORMATION
[1] Charging
A negative charging method using a Scorotron is employed. A
constant negative voltage is applied to the charging plate and
back plate in order to maintain the potential of the drum
constant.
[2] Exposure
Exposure is performed by means of the laser beams, causing
the charge on the drum to be erased. Two laser beams are
used to write (exposure) two lines of image data at a time.
[3] Developing
Negatively charged toner adheres to the parts of the surface of
the drum where charge was erased during the exposure
process.
[4] Transfer
The transfer corona unit causes the toner on the drum to be
transferred to the paper by means of a discharge from the back
of the paper.
The TSL improves the transfer of the toner and the separation
of the paper.
Fig.22
Charging corona unit
Fig.24
Fig.23
Drum
Transfer
corona unit
Fig.25
TSL
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