Mechanical obstruction preventing the sensor from switching states.
The specific drive motor responsible for turning the imaging components has suffered an internal electrical short or mechanical failure. Xerox Fault Code 043-343
A genuine failure of the Main Motor, the Drive Assembly, or the Image Control Board itself. Poor Connection: Poor Connection: Alternatively, if your model allows it,
Alternatively, if your model allows it, swap the positions of the color drums (note: do not mix color drums with the black drum if they are physically shaped differently) to see if the fault code changes or if the machine initializes. If a specific cartridge is completely seized, replacing that individual drum will resolve the 043-343 error immediately. When to Call a Service Technician Execute the code to initialize and test the
Ensure that all YMC toner cartridges and drums are seated correctly.
Execute the code to initialize and test the 1st Bias Transfer Roller (BTR).
Reconnect the power cable directly to the wall (avoid extension cords) and turn it back on. Step 2: Access Diagnostics (For Technicians)