Repairs and Adjustments
4-56 5/08 Phaser 3435
REP 23 LSU 
Parts List on: PL 1
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer supply
while performing tasks that do not need electricity. Electricity can cause death or injury. Moving
parts can cause injury.
WARNING
Avoid exposure to laser beam. Invisible laser radiation.
1. Before removing the LSU, remove the: 
-Top Cover, REP 5. 
-Side Cover, REP 7
. 
2. Remove the four screws securing the LSU and remove it.
Figure 1 
LSU