Lexmark E450DN - E 450dn B/W Laser Printer Service Manual page 69

7.
If the grid lines of the right flap align below the corresponding lines on the left flap, adjust the printhead
clockwise relative to the printer and recheck. (See the left side of the figure below.) If the grid lines of the
left flap align below the corresponding lines of the right side, adjust the printhead counterclockwise. (See
the right side of the figure below.)
8.
After obtaining a properly adjusted image on the paper, tighten all three screws.
Note: The printhead must be aligned electronically. See
page 3-6.
"Printhead assembly electronic adjustment" on
4512-630
3-11
Diagnostic aids