Engine Board (Pwb-A) - Epson AcuLaser C1900 Service Manual

EPSON AcuLaser C1900/AcuLaser C900

4.5.2 Engine Board (PWB-A)

1. Remove the Main Board (C485MAIN/C494MAIN). (p.183)
2. Remove the wires from the code folder.
3. Disconnect all of the connectors (27 locations) and then remove the PWB-A Board.
(5 screws) (See "Figure 4-19 (p.184)")
Figure 4-19. Engine Board Removal
When reinstalling the Engine Board, take care not to catch any
C A U T I O N
harness.
Disassembly and Assembly
C A U T I O N
Printer Main Parts Disassembly and Assembly
When replacing the Engine Board on the repair site, never forget to
remove EEPROM (IC3) from the IC socket (PJ28) on the old board
and install it in the IC socket on the new Engine Board. In doing so,
take care not to confuse the orientation of the IC and not to damage
IC terminals.
Revision B
184