Troubleshooting
105
Communication Issues
This section identifies problems with communications, the possible causes, and the recommended
solutions.
Issue: Label Job Sent, Data Transfers, But No Print
A label format was sent to the printer but was not recognized. The data was transfered but no printing
occurs.
Possible Cause - 1
The prefix and delimiter characters set in the printer do not match the ones in the label format.
Resolution Verify the ZPL programmings prefix (COMMAND CHAR) and delimiter (DELIM./CHAR)
characters. Configuration Setting to Command Cross-reference.
Possible Cause - 2
Incorrect data is being sent to the printer.
Resolution Check the label format. See the ZPL Programmer’s Manual for details on printer
programming.
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