Laser Scanning Unit - Samsung CLX-9350ND Service Manual

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 is
reflective mirrors on optical path for each color. K Col
the front, C Color and Y Color scan the laser beam fro
adjustment function which adjusts the scanning line au
protect the glass on the LSU surface from contaminati
PBA on right side. PBA on right side.
C: Scan direction
K: Scan direction
K
2
3
4
Service Manual
CLX-9250/9350 series
2. Product d
8 5
M: Scan direct
1 1
C M
3
description
Overview
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
om the front to the rear. Also, the LSU has a skew
utomatically and the shutter & shutter driving device to
on. To interface with the printer, the LSU has a joint
Y: Scan direction
ion
1 1
Y
2 3
5
2-4 43
6
7
1 LD PBA
2 P/Mirror Motor
3 F1 Lens
4 F2 Lens
5 Skew Adjust
6
Assy
6 Shutter &
Shutter Drive
Motor Assy
7 Joint PBA
8 LSU Temp PBA
SAMSUNG ELECTRONICS