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Using Hex Trace mode
When unexpected characters print or characters are missing, use Hex Trace to help you determine if
there is a problem with the language interpreter or the cable. Hex Trace isolates printing problems by
telling you what information your printer is receiving.
1 Enter the special function menu.
2 Press and release the operator panel button twice quickly (double-button press) three times
until the Paper Jam light comes on and the two bottom lights blink.
3 Press the operator panel button with a long button press (hold until all the lights come on) to
select the Hex Trace setting.
4 Press the operator panel button with another long button press to initiate Hex Trace.
Data sent to the printer is printed out in hexadecimal and character representation to help
isolate the source of the problem.
To exit Hex Trace mode, turn off the printer or press the operator panel with a long button
press.