Xerox Phaser 4500

8-90 Phaser 4500 Service Manual
3. Remove the screw (silver, 6 mm) that attach the Right Handle Bracket to the
frame.
4. Remove the Right Handle Bracket from the frame.
5. Remove the three screws (silver, 6 mm) that attach the HVPS Shield Bracket to
the frame.
6. Remove the HVPS Shield Bracket.
7. Unplug the ribbon cable at P/J28 (connects to I/P board).
8. Release the cables connected to the HVPS/Engine Logic Board from the cable
restraints.
9. Unplug the remaining cables from connectors P/J10, 11, 13, 14, 15, 16, 17, 18,
20, 22, 24, 26, 27, 29, 30, and 31 on the HVPS/Engine Logic Board.
10. Remove the four remaining screws (silver, 6 mm) that attach the HVPS/Engine
Logic Board to the frame.
11. Swing out the top of the HVPS/Engine Logic Board to clear the frame, then lift
the board up and out to remove it.
Replacement Notes:
■ When installing the HVPS/Engine Logic Board, install the board under the
hook of the frame.
■ When tightening the screws, be careful not to pinch the harness between the
board and frame.
■ Note that connectors P19 and P32 are not used (no connection).