Lexmark 4227 - Forms Printer B/W Dot-matrix Service Manual page 78

4227-300
9. Remove the gear/flag (3) from the end of the carrier shaft.
10. Remove the bearing (4) and its retainer (5) by pulling the
bearing free and lifting the end of the carrier shaft.
11. Slide the carrier shaft toward the carrier motor to free the other
end.
To reinstall:
1. The bearing and retainer must be on the shaft when the shaft is
lowered into place. Make sure the bearing flange goes behind
the black double gear.
2. Rotate the shaft to get the bearing to seat in the side frame.
3. After reinstalling, perform the
adjustment" on page
4-14
Service Manual
"Printhead-to-platen gap
4-2.