Lexmark MX622
Due to an unintentional firmware change that was introduced with the xxxxx.230.204 firmware release, some touch screen displays started to perform the following issues erratically:
To resolve the issue, the printer firmware must be updated to xxxxx.230.211 firmware release version.
Contact Lexmark support for assistance with updating the printer using this version.
Touchscreen ghost touch or poor responsiveness
Learn how to update the firmware of the printer using the control panel.