Datamax PE Operator's Manual page 63

No display (the Power LED is on):
The display contrast may be set too low. Using a small
screwdriver use the access opening on the front panel and
increase the setting.
The printer may have a bad connection to the display or the
display may be faulty; call for service.
Black boxes in display:
The printer has failed to initialize. Power the printer 'Off'.
Hold down the Pause, Feed and Stop/Cancel buttons while
powering the printer 'On'.
Defective display/main PCB; call for service.
Skips Labels (every other):
The label is formatted too close to the top edge of the label.
Try reformatting, allowing a larger margin near the label's
edge.
No Print (paper advances but without printing an image):
If an image appears on the used ribbon but not on the label,
the incorrect ribbon type (emulsion out) is being used.
Consult Appendix F for additional information or contact a
Media Representative.
The media and ribbon combination may be incorrect.
Consult Appendix F for additional information or contact a
Media Representative.
The heat setting may be too low. Make an adjustment
through your software program or through the Advanced
Setup Menu.
PE Series Operator's Manual
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