Datamax-O'Neil E-Class Mark III Operator’s Manual User Manual
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Chapter 6 – Troubleshooting
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The Hex Dump Mode is a useful tool for diagnosing problems, including communication and DPL syntax
errors, allowing a comparison of input strings (sent by host) to output data (received by printer). To decode
this information, the Programmer’s Manual is an essential reference. This output can be used for debugging
the label format. In addition, by repeatedly sending a format, this mode can uncover handshaking problems
(if they exist). Handshaking problems are identified by sections of missing data in the character string.
To print the Hex Dump Label:
To begin, go to the Diagnostics menu and enable Hex Dump Mode; see Section 4.4. Exit the menu and save
the changes. Now, ‘HEX DUMP MODE’ will be indicated by the display and all data sent to the printer will now
be output in hexadecimal code, along with the printable ASCII equivalents, as shown below. To exit Hex Dump
Mode, re-enter the Diagnostics Menu and disable the Hex Dump Mode, exit the menu, then save the changes.
The figure below is a sample Hex Dump Label. After sending a label format to the printer, the hex code output
will be immediate. As a final note, many software programs use bit mapping to construct the label, making
diagnosis difficult. Contact Datamax-O’Neil Technical Support with any questions.