The ribbon is coated on the wrong side and cannot be used in this printer.
Ribbon was loaded incorrectly.
Incorrect or uneven printhead pressure.
Media not feeding properly; “walking” from side to side.
Make sure that media is snug by adjusting the media guide, or call a service technician.
The printhead or platen roller may be installed incorrectly.
Call a service technician.
The printer does not detect when the ribbon runs out.
The printer may have been calibrated without ribbon or without the ribbon loaded properly
In thermal transfer mode, the printer did not detect the ribbon even though it is loaded correctly.
The printer indicates that ribbon is out, even though ribbon is loaded correctly.
The printer was not calibrated for the label and ribbon being used.