Printhead Removal - Lexmark E450DN - E 450dn B/W Laser Printer Service Manual

4512-630

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 3-10.
•
Electronically adjust the printhead. This is a necessary step. See
adjustment" on page
4-40
Lexmark™ E450dn
"Top cover removal" on page 4-7
"Right side cover removal" on page
3-6.
for more information.
4-5.
"Printhead assembly mechanical adjustment" on
"Printhead assembly electronic