4 Disassembly Procedure 
4.3 LSU 
WARNING: Observe safe working 
practices.  Click Warnings/Cautions for 
Safety button on Repairs and Adjustments 
menu if unsure about safe working 
practices. 
1.  Remove Imager Unit and ITB, 4.10 
CAUTION: Protect Imager Unit and ITB 
from light. 
2.  Remove LSU Cover by grasping sides 
of cover and lifting.  CAUTION: Use 
care when moving cover past 
connector (red arrow). 
 
3.  Disconnect left electrical plug, remove 
Screws (3) and lift LSU enough to 
access and disconnect right side 
electrical plug (CAUTION: Hold small 
PWB while disconnecting plug, red 
arrow) and remove LSU. 
 
 
 
 
 
 
 
Replacement 
CAUTION: Ensure ground wires (red 
arrows) are secured.