Lexmark MS510 Service Manual page 249

7
Disconnect the cable (A) from the LSU.
8
Before loosening the screws securing the LSU, use a sharp pencil or a small, flat-blade screwdriver to mark the
location of the LSU on the printer frame. This will be helpful in positioning the new LSU.
9
Remove the three screws (B) securing the LSU.
Installation note: Mechanical and electronic LSU adjustments are required to complete the installation of the LSU.
See "Printhead assembly adjustments" on page
A B
163.
Repair information
249
4514-630, -635, -636, -638, -639, -649