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Phaser 7700 Color Laser Printer Service Manual
7-205
7.
Undo the harness retainer. Disconnect the wiring harness to the relay
board connector P300 and the front panel cable to P564.
8.
Remove the two mounting screws towards printer rear, but
only loosen
the two mounting screws towards the printer front.
Note
The two screws toward the printer front serve as a guide
for reinstallation.
9.
Lift and tilt the cage assembly to release it from the engine control interface
board connector below the cage assembly and remove the assembly.
Replacement
Note
Before re-installing the assembly, widen the gap in each
of the two white nylon retainers to ensure that they
successfully engage the interface board bracket.
Mis-alignment prevents a good connection to the
interface board.
1.
Tilt and insert the engine control board assembly under the two loosened
screws.
2.
Carefully lower the assembly onto the engine interface board connector.
3.
Push lightly into the center of the assembly to ensure the assembly is fully
seated.If board is reasonably stable, the board is properly placed.
4.
Continue installation by reversing the removal procedures.
Note
Ensure that all connections are firmly seated, pay special
attention to the laser unit connections on the printers
right side.
Note
After replacement of the Engine Control Board, perform
the Reset Engine NVRAM procedure on page 6-150.
Содержание 7700DX - Phaser Color Laser Printer
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