Xerox Fault Code 043-343 Jun 2026

Sometimes, transient electrical noise or a temporary logic glitch can trigger the fault.

: A mismatch of print mode and YMC link sensor driven state register information. Primary Causes Faulty or misaligned YMC link sensor Damaged or worn drive assembly gears

Replace the physical motor or the MCU PWB board if electrical faults are discovered. Preventative Maintenance Tips

Inspect the encoder strip and sensors

Troubleshooting Xerox Fault Code 043-343: YMC Link Sensor Fail

Does the printer make a right before the error appears? Share public link

If the wiring is intact but the error persists, the drive assembly or the PWB may need to be replaced. When to Call Professional Support Xerox Fault Code 043-343

The mechanical drive or the power signal to the component is completely dead (Proceed to Step 2).

Professional technical assistance is often required for this code, but standard diagnostic procedures include: Initial Power Cycle

With all consumables removed, close the doors and turn the printer on. If the error changes to a "Missing Consumable" message instead of code 043-343, the issue lies in one of the components you just removed. 3. Check Internal Wire Harnesses Sometimes, transient electrical noise or a temporary logic

Are you hearing any when the machine attempts to start up?

Authorized technicians can pinpoint the hardware failure using Xerox's built-in . Enter the diagnostics menu on the machine interface.

Before opening the device, clear out any transient electronic glitches. Preventative Maintenance Tips Inspect the encoder strip and