Because this is a sensor-level hardware mismatch, standard user-level fixes are limited. However, you should try these steps before calling a technician: : Turn off the printer using the power button. Unplug the power cord for at least 60 seconds .
: While not guaranteed to fix a sensor failure, you can try a standard power reset by turning the printer off, waiting 10–30 seconds, and turning it back on to see if the system recalibrates. Related Fault Codes Xerox Fault Code 043-343
Repair and parts considerations