ZD620 Alert: Head Open
Alert: Printhead Open
Description: A print command or a FEED button has been pressed and the printer has detected that the printhead (cover) is not closed.
Possible Cause - 1: The cover is open or has not been closed properly.
Resolution: Close the cover/printhead. Push down on the front top corners of the printer’s cover. You should normally hear and feel the cover latches snap in place to lock the cover closed for printing.
Possible Cause - 2: The printer’s Head-Open switch needs service.
Resolution: Call a service technician.