: Ensure the printhead has cooled to room temperature before cleaning. : The Go to product viewer dialog for this item.

| Error Code | Meaning | Manual-Recommended Fix | | :--- | :--- | :--- | | | Printhead overheated | Reduce print energy or increase time between prints. Check cooling fan filter. | | E-205 | Ribbon tracking fault | Re-tension ribbon. Clean guide rollers with lint-free cloth. | | E-310 | No ribbon detected | Verify ribbon photo-eye is clean. Check ribbon is opaque enough for sensor. | | E-412 | Communication timeout (Ethernet) | Ping the printer. Check switch/hub. Cycle power to printer’s internal NIC. | | W-501 | Low foil (ribbon near end) | Replace ribbon spool. Do not attempt to splice in new ribbon mid-roll. |

This deep-dive explains the ribbon drive system. The manual’s diagrams here are crucial for understanding:

Even with the PDF in hand, users often miss these practical tips: