Ricoh Aficio BP20 - Printing Process

G144
Ricoh Europe B.V.
Technical Training Centre
w
w
w
.
g
e
t
-
u
-
w
i
c
e
.
c
o
m
32
Slide 32
Printing Process
 Paper feed mechanism
 Separation pad mechanism
 Drive mechanism
 One main motor drives the machine
 Development unit
 Single component type developer
 Transfer unit
 Transfer roller system
 Fusing unit
 Hot roller/ pressure roller
4. Machine Overview
More on the Printing Process
Paper feed mechanism
 Together with sensors in the feed path these serve to control paper
registration and guide the paper through the Image transfer, image
development, image fusing and exit assemblies.
Drive mechanism
 The main drive mechanism uses a Bi-polar 2 phase motor.
 It drives the OPC, paper pick-up and paper feed rollers using a gear train
mechanism.
Development unit
 The machine uses the laser scanning unit (LSU) of the mechanism to create
images on the OPC drum.
Transfer unit
 High voltages supplied by the HVPS move the image from the developer unit
onto paper.
Fusing unit
 The fusing unit applies the toner image onto the paper.
 This is achieved with a temperature controlled heating unit.