Best for: Network admins updating a printer in a server room.

The display controller firmware is out of sync with the mainboard. Fix: Perform a capacitive touch calibration. Turn off the unit. Hold the Feed + Menu buttons while powering on. Follow the crosshair prompts.

Go to (or Maintenance). The system should detect the file. Click Install/Upload .

: Do NOT turn off the car or the unit during the update, as this can permanently "brick" the device. Update Instructions