Samsung SCX-8030ND Series - Printing Process Overview; Image Creation

2. Product
D
2.5 Image creation
2.5.1 Printing process over
v
This section describes the image creation process us
e
This mono printing system includes the LSU with a la
s
This machine uses single Imaging unit and dual laser
Drum unit and Development unit The Drum unit has a
Drum
unit
and
Development
unit
.
The
Drum
unit
has
a
a light-guide ( which transfers the LED’s light in the
m
The OPC drum[A] is charged with a negative voltage
b
LSU (Laser Scanning unit)[B]. The light produced by
a
surface of the OPC drum. The negatively charged to
n
electric filed. The toners(real image) on the OPC dru
m
applied to the transfer roller[c].
1. Charging the OPC drum: The scorotron gives th
e
2. Laser exposure: Light produced by a laser diode i
r
mirrors .
3. Development: This machine uses a dual-compone
negatively charged toner to the latent image on the dr
u
4. Transfer: The transfer rollers opposite the OPC dr
media (e.g. paper, OHP film, etc).
5. Cleaning for OPC drum: The cleaning blade remo
v
transfer to the paper.
6. Quenchin
g
for OPC drum: Quenchin
g
is done b
y
Service Manual
SCX-8030/8040 series
2-
2
2-
2
g
gy
lamps at the end of every job.
D
escription
v
iew
e
d by the printer.
s
er beams, a imaging unit and transfer unit.
beams for mono printing. The Imaging unit consists of
an OPC drum a scorotron (which charges the OPC)
an
OPC
drum
,
a
scorotron
(which
charges
the
OPC)
,
m
achine) and cleaning blade.
b
y the scorotron and is exposed by the light from the
a
laser creates a latent image by discharging on the
n
ers are attracted to the latent image due to and
m
are moved to the transfer media by the positive bias
e
drum negative charges.
r
radiates the charged OPC through the lens and
nt development system . The magnetic roller carries
u
m surface.
ums transfer toner from the drums to the transfer
v
es remaining toners on the drum surface after image
illuminatin
g
the whole area of the drum with the LED
SAMSUNG ELECTRONICS
Version 0.05
2
9
2
9
g