Lexmark MX521
Turn off the printer, and then unplug the power cord from the electrical outlet.
Using a damp, soft, lint‑free cloth, wipe the touch screen.
Notes:
Connect the power cord to the electrical outlet, and then turn on the printer.
Make your printing, scanning, or copying task faster by deciding which icons to show on your printer screen.
Regular printer maintenance extends the life of the printer and ensures quality prints. The process is simple and only takes a few minutes.