Controller Card Removal - Lexmark E250D - E B/W Laser Printer Service Manual

Controller card removal

Warning:
•
Always touch a ground before touching the card.
•
Handle the card carefully by the edges.
•
Never replace the operator panel and controller card at the same time without a successful POR in
between.
1.
Remove the right side cover.
2.
Remove the controller card cover.
3.
Disconnect all the cables from the controller card, and remove cables from the shield housing.
Warning: Do not replace the controller card and the operator panel at the same time. Each card contains the
printer settings. When either of these cards is new, it obtains its settings from the other card. Critical
factory settings are lost when both are new and replaced at the same time.
4.
Remove the four screws (A) that are securing the controller card.
See"Right side cover removal" on page
4512-220, -230
4-5.
Repair information
4-13