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Broken wire harnesses, loose plug/jack (P/J) connections, or short circuits between the sensor, the solenoid, and the primary drive board.
This code triggers when the printer's Main Controller detects an abnormal load or a complete failure in the Main Motor. The primary causes include:
For 90% of persistent errors, replacing the fuser unit is the definitive solution. If your machine has a user-replaceable fuser (part numbers vary by model, e.g., 115R00099 for Color 560/570), order a genuine Xerox OEM replacement. Remanufactured fusers often cause recurring errors. Xerox Fault Code 043-343
Open the front cover and carefully remove all drum cartridges.
: 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 Broken wire harnesses, loose plug/jack (P/J) connections, or
Check the physical plastic teeth on the drive assembly gears. If teeth are stripped or cracked, the gear assembly requires replacement. Step 4: Check the YMC Link Sensor
Electronic glitches can sometimes trigger false motor errors. If your machine has a user-replaceable fuser (part
Repair and parts considerations
For official support and parts, you should contact: