Lexmark E250DN - Govt Laser 30PPM Special Build Mono Taa Service Manual page 132

4512-220, -230
Printhead removal
1.
Remove the top cover. See
2.
Remove the right side cover. See
3.
Remove the controller card cover.
4.
Disconnect the cables J5 DRV (A), J8 LXK LSU (B), and J15 (C) from the controller card.
Note: Be sure to remove the toroid before disconnecting the cables.
5.
Remove three screws (D) securing the printhead.
6.
Remove the printhead.
Reinstallation note:
•
Install the new printhead by lining up the alignment knub with the indicator located at the front right-hand
screw.
•
Be sure to place the toroid back over the cables.
•
Mechanically adjust the printhead, if necessary. See
page 4-13.
•
Electronically adjust the printhead. This is a necessary step. See
adjustment" on page
4-40
Lexmark™ E250d and E250dn
"Top cover removal" on page 4-7
"Right side cover removal" on page
4-8.
for more information.
4-5.
"Printhead assembly mechanical adjustment" on
"Printhead assembly electronic