Exposure - Oki OKIPAGE 6e Service Manual

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.
Power
supply
Image drum
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 µm thick.
Operation Description
Charge roller
2 - 20
LED head
Paper
20 µm
30 mm
Service Manual, P/N 59276401
LED head
Image drum
Image drum
CTL
CGL
UL
Base
OKIPAGE 6e/6ex