Oki B4100 - Manual (Page 513)

40055101TH Rev.4 513 /
Charge roller
OPC drum
LED head
LED head
Paper
OPC drum
(4) Exposure
Light emitted from the LED head irradiates the negatively charged surface of the OPC drum. The surface
potential of the irradiated surface attenuates to form the electrostatic latent image corresponding to the
image signal.
OPC drum
High-
voltage
power
supply
Charge roller
(3) Charging
Charging is performed by applying DC voltage to the charge roller that is in contact with the surface of
the OPC drum.
High-
voltage
power
supply