Troubleshooting
Printing a Hex Dump
If you are an experienced user or a programmer, you can print a hexadecimal dump to isolate communication problems between the printer and your software program. In hex dump mode, the printer prints all data received from the computer as hexadecimal values.
You can print a hex dump using either single sheets or continuous paper.
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Note:
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Use continuous paper that is at least 241 mm (9.5 inches) wide or A4 or letter size single-sheet paper.
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To print a hex dump, follow the steps below.
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Make sure paper is loaded and the printer is turned off.
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Caution:
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Whenever you turn off the printer, wait at least five seconds before turning it back on; otherwise you may damage the printer.
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To enter hex dump mode, hold down both the LF/FF and Load/Eject buttons while you turn on the printer.
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Open a software program and send a print job to the printer. Your printer prints all the codes it receives in hexadecimal format.
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If codes are printable, they appear in the right column as ASCII characters. Nonprintable codes, such as control codes, are represented by dots.
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To turn off hex dump mode, press the Pause button to stop printing. Then eject or tear off the printed page(s) and turn off the printer.
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