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Communications Diagnostic Self-test
The Communications Diagnostic Mode is a troubleshooting tool for
checking the interconnection between the printer and the host com-
puter.When “Diagnostics” is selected, all data sent to the printer will be
printed as straight ASCII hex characters. The printer prints all received
characters including control codes like CR (Carriage Return).
To enter the Communications Diagnostics mode, open the front panel
door and press and hold the
+ key while turning the printer power ON.
Release the key anytime after the first front panel LED turns OFF.
Send a label format from the host computer to the printer and observe
the printout on the label stock. Figure 23 provides an example of the
Diagnostic Mode printout.
NOTES: An FE indicates a framing error.
An OE indicates an overrun error.
An PE indicates a parity error.
An NE indicates noise.
If errors are indicated, check that your
communication parameters are correct.
Z Series™ User’s Guide 45
Figure 23. Communications Diagnostics Self-test
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