Repair information
4-13
4512-220, -230
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. See
“Right side cover removal” on page 4-5
.
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.
Summary of Contents for 250d - E B/W Laser Printer
Page 2: ... ii 6000 XXX ...
Page 3: ...iii ...
Page 10: ...x Lexmark E250d and E250dn 4512 220 230 ...
Page 24: ...1 10 Lexmark E250d and E250dn 4512 220 230 ...
Page 78: ...2 54 Lexmark E250d and E250dn 4512 220 230 ...
Page 140: ...4 48 Lexmark E250d and E250dn 4512 220 230 ...
Page 146: ...6 2 Lexmark E250d and E250dn 4512 220 230 ...
Page 148: ...7 2 Service Manual 4512 220 230 Assembly 1 Covers ...
Page 150: ...7 4 Service Manual 4512 220 230 Assembly 2 Electronics ...
Page 152: ...7 6 Service Manual 4512 220 230 Assembly 3 Frame ...
Page 156: ...7 10 Service Manual 4512 220 230 ...
Page 160: ...I 4 Lexmark E250d and E250dn 4512 220 230 ...
Page 163: ......