Page 212 - ZPL II Programming Guide

192 ZPL Commands
~JD

~JD

Enable Communications Diagnostics

Description The ~JD command initiates Diagnostic Mode, which produces an ASCII
printout (using current label length and full width of printer) of all characters received by the
printer. This printout includes the ASCII characters, the hexadecimal value, and any
communication errors.

Format ~JD

45541L-004 Rev. A ZPL II Programming Guide 9/15/06