Advanced User Information
Additional Diagnostics Tools
72
61207L-002 B HC100 User Guide 11/15/10
Communications 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). Figure 16 shows a
typical printout from this test. The actual format is modified to print on narrow wristbands.
Figure 16 • Communications Diagnostics Test Printout
To use communications diagnostics mode, complete these steps:
1. Set the printer to Diagnostics mode by sending the ~JD ZPL II command to the printer.
The printer enters Diagnostics mode and prints any data received from the host computer
on a test printout
2. Check the test printout for error codes. For any errors, check that your communication
parameters are correct.
Errors show on the test printout as follows:
• FE indicates a framing error.
• OE indicates an overrun error.
• PE indicates a parity error.
• NE indicates noise.
3. Send the ~JE ZPL II command to the printer to return to normal operation.
Note • The PAUSE/FEED button will not advance a wristband while the printer is in
Diagnostics mode. Exit Diagnostics mode to use that button and feed a wristband.
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