Lexmark M5155
The LCD control panel flashes when powering On the printer or waking from sleep mode. This issue only appears on the 2.4” control panel and it may or may not stop flickering or flashing as the printer warms up.
Click here for a sample video of the flickering or flashing display.
To resolve this issue, perform a POR (Power-On Reset) by powering the printer Off for a minute then powering it back On again.
LEGACY ID: SO9054
Here are steps on how to troubleshoot unresponsive control panel or touch screen display.
Blank or Intermittent Display for Lexmark MS71x, MS81x, MX71x, & MX81x