Lexmark 5021-0XX - Manual (Page 265)

Repair information 4-35
5021-0XX
Toner sensor (sender) removal
1. Remove developer drive assembly. See “Developer drive
assembly removal” on page 4-32 .
2. Remove two screws (A) from toner sensor.
Note: Bottom screw is longer than top screw.
3. Pull toner sensor away from printer, disconnect cable, and
remove sensor.