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Phaser 7700 Color Laser Printer Service Manual
7-207
RRP 43 Engine Control Interface Board
Removal
Method #1
1.
Remove the Engine Control Board (RRP 42, on page 7-206).
2.
Disconnect the eight wiring harnesses.
Note
Two connectors (J537, J536) have locks to release
before pulling on the harnesses.
3.
Remove the two screws that secure the Engine Control Interface Board
mounting bracket to the printer frame.
4.
Remove the Engine Control Interface Board and mounting bracket from the
printer frame
Method #2
1.
Lower the HVPS assembly to a horizontal position.
2.
Disconnect the eight wiring harnesses.
Note
Two connectors (J537, J536) have locks to release
before pulling on the harnesses.
3.
Remove the two screws that secure the Engine Control Interface Board
mounting bracket to the printer frame.
4.
Remove the Engine Control Interface Board and mounting bracket from the
printer frame
Reverse these steps to install the Engine Control Interface Board.
Note
Ensure that the interface board is reinstalled as high up
as possible to ensure full contact (properly seated).
Figure 7-49 Engine Control Interface Board
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