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Troubleshooting
Communications Problems
10/7/16 ZT410 RFID Printer for Silverline Media User Guide P1089083-001
Communications Problems
Table 19 identifies problems with communications, the possible causes, and the recommended
solutions.
Table 19 • Communications Problems
Problem Possible Cause Recommended Solution
A label format was sent to
the printer but was not
recognized. The DATA
light does not flash.
The communication
parameters are incorrect.
Check the printer driver or software
communications settings (if applicable) for
your connection. You may wish to reinstall the
printer driver following the instructions in
Install the Printer Driver and Connect the
Printer to the Computer on page 24.
If you are using serial communication, check
the serial port settings. See Port Settings
on page 116.
If you are using serial communication, make
sure that you are using a null modem cable or a
null modem adaptor.
Check the printer’s handshake protocol setting.
The setting used must match the one being
used by the host computer. See Host
Handshake on page 117.
A label format was sent to
the printer but was not
recognized. The DATA
light flashes but no
printing occurs.
The prefix and delimiter
characters set in the printer
do not match the ones in the
label format.
Verify the prefix and delimiter characters. See
Command Character on page 111 and
Delimiter Character on page 112.
Incorrect data is being sent
to the printer.
Check the communication settings on the
computer. Ensure that they match the printer
settings.
If the problem continues, check the label
format.
A label format was sent to
the printer. Several labels
print, then the printer
skips, misplaces, misses, or
distorts the image on the
label.
The serial communication
settings are incorrect.
Ensure that the flow control settings match.
Check the communication cable length. See
General Printer Specifications on page 184 for
requirements.
Check the printer driver or software
communications settings (if applicable).
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