[6] Printing process
(1) Functional diagram
(Basic operation cycle)
Exposure
Main high voltage unit
Saw tooth
Charge
Drum
Cleaning
Cleaning blade
Waste toner box
Paper release
Fusing
Separation
Heat roller
Heater lamp
Transfer
Transfer charger
Transfer high
voltage unit
Developing
Toner
Developer
Print process
Paper transport route
Semiconductor laser
Manual feed
PS roller
Focus correction lens
Electrode
Synchronization
with drum
Cassette
paper feed
To face
down tray
(20microns thick)
Aluminium drum
Pigment layer (0.2
to 0.3 microns thick)
An OPC drum is used for the photoconductor.
(Structure of the OPC drum layers)
OPC layer
Main charger
Laser beam
MG roller
Cleaning blade
Drum
Transfer unit
Resist roller
AL-1000/1010
6-1