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Exposure
Light emitted by the LED head irradiates the image drum surface with a negative charge. The surface
potential of the irradiated portion of the image drum drops, forming an electrostatic latent image
associated with the image signal.
The image drum is coated with an underlayer (UL), a carrier generation layer (CGL), and carrier transfer
layer (CTL) on aluminum base. The organic photo-conductor layer (OPC), comprising CTL and CGL, is
about 20 mm thick.
The image roller surface is charged to about -750 V by the contact charge of the charge roller.
When the light from the LED head irradiates the image drum surface, the light energy generates positive
and negative carriers in the CGL. The positive carriers are moved to the CTL by an electrical field acting
on the image drum. Likewise, the negative carriers flow into the aluminum layer (ground).
Содержание Okipage6e
Страница 6: ...Table of Contents Page 6 PARTS LIST 156...
Страница 9: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 11: ...4 High Capacity Second Paper Feeder 5 Multi Purpose Feeder...
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