Zebra Technologies R-140 - Manual (Page 93)

A label format was sent to the printer. Several labels print, then the
printer skips, misplaces, misses, or distorts the image on the label.
A label format was sent to the printer but not recognized. The
DATA light flashes but no printing occurs.
84 Zebra R-140 User’s Guide
Problem Solution
The host is set to EPP parallel
communications.
Change the settings on the computer host to standard
parallel communications.
The serial communication settings are
incorrect.
Ensure that the flow control settings match.
Check the communication cable length. See
page 26
for requirements.
Check the printer driver or software communications
settings (if applicable).
Problem Solution
The prefix and delimeter characters set
in the printer do not match the ones in
the label format.
Verify the prefix and delimeter characters. See
page 60 .
Incorrect data is being sent to the
printer.
Ensure that ZPL is being used.
Check the communication settings on the computer.
Ensure that they match the printer settings.