Oki 6E, 6ex specifications Ctl Cgl

(3)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.

Charge roller LED head LED head

Power supply

Image drum

Paper 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.

Image drum

CTL

CGL

UL

Base

20 μm

30 mm

2 - 20