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Fastmark 600 Series User's Guide 76
Verify Media stock 1. Change Media with Stock from another unopened box.
2. Verify that Stock is Direct Thermal material.
Verify Printhead Latches
are closed.
1. Open Top cover
2. Press firmly on the Printhead Mechanism and verify
that the right and left latches are locked.
Poor Print Quality
Other Possible Solutions q Verify type of media and ribbon are compatible.
q Verify ribbon is not being used with direct thermal
media.
q Lower the print speed and adjust print darkness.
q Verify print head is clean.
q Verify platen roller is clean.
q Verify media and ribbon are both loaded as described
in media and ribbon loading sections.
q Replace print head if print out continues to be streaked
or missing and all of above does not resolve.