EPSON AcuLaser C1900/AcuLaser C900 Revision B
Disassembly and Assembly Printer Main Parts Disassembly and Assembly 186
4.5.5  Power Supply Unit (PU)
1.
Remove the Upper Front Cover. (p.177)
2.
Remove the Top Cover. (p.177)
3.
Remove the Left Cover. (p.179)
4. Remove the Protection Cover. (3 screws)
(See 
“Figure 4-22 (p.186)”) 
5. Remove the wires from the code folder.
6. Remove the Power Supply Unit(PU). (3 screws, 5 connectors, 3 code folders) 
(See 
“Figure 4-23 (p.186)”) 
Figure 4-22. Protection Cover (Power Supply Unit) Removal
Figure 4-23. Power Supply Unit Removal
C A U T I O N
When connecting the harness to the connector on the Power Supply 
Unit, take care not to apply excessive force.