EPSON AcuLaser C1900/AcuLaser C900 Revision B
Disassembly and Assembly Printer Main Parts Disassembly and Assembly 188
4.5.7 High Voltage Unit (HV)
1.
Remove the Left Cover. (p.179)
2.
Remove the Rear Cover. (p.178)
3.
Remove the Upper Rear Cover. (p.178)
4.
Remove the Engine Board (PWB-A). (p.184)
5.
Remove the Power Supply Fan Motor (M4). (p.185)
6. Remove the Controller Box. (5 screws)
(See
“Figure 4-25 (p.188)”)
7. Remove the High Voltage Unit (HV). (4 screws, 4 connectors, 4 board holders)
(See
“Figure 4-26 (p.188)”)
Figure 4-25. Controller Box Removal
Figure 4-26. High Voltage Unit Removal
C A U T I O N
When installing the High Voltage Unit, never forget to install
the cover (transparent plastic plate) on the back of the High
Voltage Unit.
The process system high voltage terminals are to be in direct
contact with the high voltage transformer (T301) on the back
side and components mounting side of the High Voltage Unit
Board. Make sure that they are in contact properly. (Improper
contact affects the quality of printed image.)
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