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7-206
Phaser 7700 Color Laser Printer Service Manual
RRP 42 Engine Control Board
Removal
1.
Store the engine board NVRAM values to the hard drive (Store Engine
NVRAM on page 6-150).
2.
Remove the Electrical Chassis (Card Cage) Assembly (RRP 41, on page
7-204)
3.
Disconnect the orange ribbon cable at the engine board connector P460.
4.
Remove the 8 screws securing the engine control board metal shield and
remove the shield.
5.
Remove the remaining six screws and remove the engine board.
Note
When reinstalling the Engine Control Board, be sure to
seat connector P460 fully.
Note
Restore engine NVRAM values from the hard drive
(Reset Engine NVRAM on page 6-150).
6.
Write the stored NVRAM values to the engine board using the Service
Diagnostics procedure (Reset Engine NVRAM on page 6-150).
Figure 7-48 Engine Control Board
S7700-457
Engine Control Board
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