Xerox phaser 6250 Service Manual page 327

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Disconnect all connectors on the Engine Control Board.

Remove the 6 screws securing the Engine Control Board to the Card Cage and

remove the board.

Replacement Notes

After the Engine Control Board is replaced, NVRAM data saved prior to

replacement must be restored to the new board. Use the Service Diagnostic

NVRAM Access/MCU NVRAM Restore

Detailed information is provided in "Service Diagnostic Tests" on page 3-9.

If the printer was previously not functional, or optionally even if it was,

move the NVRAM from the old board over to the new board.

Phaser 6250 Color Laser Printer Service Manual

function to restore the data.

Troubleshooting