Samsung CLX-9250ND - Laser Scanning Unit

2. Product
d
2.7 Laser Scanning Unit
2.7.1 Laser Scanning Unit
O
The Laser Scanning Unit (LSU) consists of 2 polygon
the surface of 4 OPC drums. For this process, there i
s
reflective mirrors on optical path for each color. K Col
the front, C Color and Y Color scan the laser beam fr
o
adjustment function which adjusts the scanning line a
u
protect the glass on the LSU surface from contaminati
PBA on right side.
PBA
on
right
side.
C: Scan direction
5
8
K: Scan direction
M: Scan direct
1
K C M
3
232
1
4
Service Manual
CLX-9250/9350 series
2-
4
d
escription
O
verview
motors and 2 LD units and forms a latent image on
s
a collimator lens, cylindrical lens, 2 F-Theta Lens, 3
or and M Color scan the laser beam from the rear to
o
m the front to the rear. Also, the LSU has a skew
u
tomatically and the shutter & shutter driving device to
on. To interface with the printer, the LSU has a joint
Y: Scan direction
6
ion
7
1
1 LD PBA
2 P/Mirror Motor
3 F1 Lens
Y
3
6
5
1
4 F2 Lens
5 Skew Adjust
Assy
6 Shutter &
Shutter Drive
Motor Assy
7 Joint PBA
8 LSU Temp PBA
SAMSUNG ELECTRONICS
4
3