Datamax E-Class E-4304 Operator's Manual page 22

6. Place the Ribbon Hubs back into the printer and route the ribbon
through the printhead carrier assembly as shown below.
Note: Always make sure the ink side of the ribbon faces the media and NOT the
printhead.
7. The 'Media Type' setting within the printer's setup must be set to
'Thermal Transfer' to print using a ribbon. See Section 4.4.
12 E-4203/E-4204/E-4304