Most common repairs + troubleshooting for the Zebra ZT620 Ethernet Thermal Printer at Acme:

1. Printer Locks Up: All indicator lights are on, nothing on the display, and printer locks up: Internal electronic or firmware failure. (Recommended Solution: Power cycle the printer, if issue persists, call a service technician.) Printer locks up while booting up: Main logic board failure. (Recommended Solution: Call a service technician.)
2. Calibration Issues: Auto Calibrate failed: Media or ribbon is loaded incorrectly, or sensors are dirty/improperly positioned. (Recommended Solutions: Load the media/ribbon correctly, clean/position sensors properly, manually calibrate the printer.)
3. IP Address Changing: My printer reassigns a new IP address to the print server after being off for a while: Network settings causing the printer to reassign a new IP address. (Recommended Solution: Assign a static IP address following provided steps.)
4. The USB Host Port Is Not Acknowledging a USB Device: The printer is not acknowledging a USB device or is not reading the files: USB device requires its own external power or is too large. (Recommended Solution: Use a USB drive 1 TB or smaller, ensure external power if needed.)
5. Communications Issues: Label Formats Not Recognized: Communication parameters are incorrect. (Recommended Solution: Check and reinstall printer driver, adjust communication settings.) Labels Stop Printing Correctly: Serial communication settings are incorrect. (Recommended Solution: Ensure flow control settings match, check cable length and driver settings.)
6. Other RFID Issues: RFID parameters do not appear in Setup mode, and RFID information does not appear on the printer configuration label: The printer was powered off and on too quickly. (Recommended Solution: Power cycle the printer with a wait, check RFID parameters.) The printer does not void RFID labels that are not programmed correctly: Incorrect version of printer or reader firmware was loaded. (Recommended Solution: Verify and update firmware, contact Technical Support if the issue persists.)
7. Miscellaneous Issues: Issues with the Display: Language parameter changed, display missing characters. (Recommended Solutions: Navigate to LANGUAGE Menu to change, call a service technician if display is faulty.) Printer Parameters Are Not Set As Expected: Firmware setting or command prevented parameter change, or label format command reset parameters. (Recommended Solution: Check label formats and software settings, refer to Programming Guide.)

est repair cost: $45 per hour