The error code text often reads "Refrigerant Full." This is a legacy translation artifact. The term does not refer to chemical refrigerants used in cooling (like Freon). Instead, it refers to the solidified waste ink "pucks" or the accumulation of wax in the waste sump.
Ensure your printer is running the latest firmware, as some logic failures are resolved through software patches. Technical Repair Procedures Xerox Fault Code 043-343
via the service mode to manually toggle the YMC Link Sensor. Check for Obstructions The error code text often reads "Refrigerant Full