Lexmark X746de Service Manual page 554

7526
Remove the three screws (E) securing the MDC card, and remove the MDC card.
7.
Warning: Whenever you replace the ADF (entire), the flatbed (entire), or the MDC card, perform the
Manual Registration"
To enter Config Menu:
1. Turn off the multifunction printer.
Press and hold buttons 2 and 6.
2.
Turn on the MFP.
3.
Release the buttons when the progress bar displays.
4.
Service Manual
4-264
in Configuration menu.
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