Zebra ZM400 Error Code Thermistor Fault
Keep Your Zebra Printer Running!
Download Our FREE eBook Now.
Caution: An improperly connected printhead data or power cable can cause this error message. The printhead may be hot enough to cause severe burns. Allow the printhead to cool.
Possible Cause: The printhead has a a faulty thermistor.
Solution: Call a service technician.
Possible Cause: The printhead data cable is not properly connected.
Caution: Turn Off (0) the printer before performing this procedure. Failure to do so can damage the printhead.
1. Turn off (0) the printhead.
2. Disconnect and reconnect the data cable to the printhead.
3. Ensure that the cable connector is fully inserted into the printhead connector.
4. Turn On (I) the Printer.