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74 J693
Warning Messages (continued):
Displayed Message Description Action
A high printhead
temperature has
been detected.
Allow printhead to cool.
The previous
warning condition
has been corrected.
No further action is
necessary.
6.2 Hex Dump Mode
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. And 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 begin, go to the Diagnostics menu and enable Hex Dump Mode; see Section
4.1.6. Exit the menu, save changes and returning to the ‘READY’ mode. Now
all data sent to the printer will now be output in hexadecimal code, along with
the printable ASCII equivalents.
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 a Technical Support Representative with any questions.
Note:
To exit the hex dump mode, re-enter the Diagnostics Menu and disable
the Hex Dump Mode, exit the menu, then save the changes to return to
the ‘READY’ mode.