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Troubleshooting
3. Hold CANCEL + PAUSE until the first control panel light turns off.
The printer’s network configuration is reset to the factory default values. No labels print at the end of
this test.
Communication Diagnostics Test
The communication diagnostics test is a troubleshooting tool for checking the interconnection between the
printer and the host computer. When the printer is in diagnostics mode, it prints all data received from the
host computer as straight ASCII characters with the hex values below the ASCII text. The printer prints all
characters received, including control codes such as CR (carriage return). Here is an example of a typical
test label from this test.
NOTE: The test label prints upside-down.
Figure 15Communications Diagnostics Test Label
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1. Set the print width equal to or less than the label width being used for the test. See Print Width for more
information.
2. Set the DIAGNOSTICS MODE option to ENABLED. For methods, see Communication Diagnostics
Mode. See the User Guide for methods for changing this setting.
The printer enters diagnostics mode and prints any data received from the host computer on a test
label.
3. Check the test label for error codes. For any errors, check that your communication parameters are
correct.
Errors show on the test label as follows:
• FE indicates a framing error.
• OE indicates an overrun error.
• PE indicates a parity error.
• NE indicates noise.
4. Turn the printer off(O) and then back on (I) to exit this self test and return to normal operation.
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