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132 R110Xi/R170Xi User Guide 23063L-003 Rev. 1 12/6/04
Troubleshooting
Communications Problems
Communications Problems
Table 16 identifies problems with communications, the possible causes, and the recommended
solutions.
Table 16 • 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).
If you are using serial communication, check
the serial port setting in the front panel menu.
See Setting Serial Communications on page 50.
Make sure you are using the correct
communication cable. See Data Cable
Requirements on page 13 for the requirements.
Using the front panel controls, check the
protocol setting. It should be set to
NONE. See
Setting Protocol on page 51.
If a driver is used, check the driver
communication settings for your connection.
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 host is set to EPP
parallel communications.
Change the settings on the computer host to
standard parallel communications. See Setting
Parallel Communications on page 50.
The serial communication
settings are incorrect.
Ensure that the flow control settings match.
Check the communication cable length. See
Data Cable Requirements on page 13 for
requirements.
Check the printer driver or software
communications settings (if applicable).
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
Format Prefix Character on page 53
and
Delimiter Character on page 53 for the
requirements.
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.