What does the Zebra S4M Ribbon In warning mean?

The Ribbon In warning on the Zebra S4M means the printer detects a thermal transfer ribbon installed, but the print mode is set to Direct Thermal. The printer is alerting you that a ribbon is present when it should not be, based on the current configuration.

How do I fix the Ribbon In warning on my Zebra S4M?

If you are using direct thermal labels, remove the ribbon from the printer. If you are using thermal transfer labels and need the ribbon, change the print mode from Direct Thermal to Thermal Transfer in the printer's configuration menu.

How do I change the print mode on the Zebra S4M?

Access the printer's front panel menu, navigate to the Print Mode setting, and toggle between Direct Thermal and Thermal Transfer. You can also change this setting using Zebra Setup Utilities software or by sending a ZPL command: ^MT for Thermal Transfer or ^MD for Direct Thermal.

Will the Ribbon In warning affect my print quality on the S4M?

Yes. Printing in the wrong mode will cause poor print quality. Direct thermal labels with a ribbon installed may produce faded or smeared output. If you are unsure which mode to use, call MIDCOM at (800) 643-2664 for guidance from a certified Zebra technician.

Zebra Error Codes

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Zebra S4M Error Code Warning Ribbon In

The Zebra S4M “Ribbon In” warning means that a thermal transfer ribbon is loaded, but the printer is configured for direct thermal printing mode. This mismatch between the media type setting and the physical ribbon presence is a common Zebra S4M configuration error. MIDCOM Data Technologies offers expert Zebra S4M calibration and onsite printer repair nationwide — call (800) 643-2664 for immediate technical support.

Possible Cause: Ribbon is loaded, but the printer is set for thermal mode.

Solution:
1.Ribbon is not required with direct thermal media. If you are using direct thermal media. If you are using direct thermal media, remove ribbon unless you are using it to protect the printhead. This error message will not affect printing.

2.If you are using thermal transfer media, which is requires ribbon, set the printer for Thermal Transfer Mode.

Zebra S4M

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