Specifications

ZPL Commands
~JN
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45541L-004 Rev. A ZPL II Programming Guide 9/15/06
~JN
Head Test Fatal
Description The ~JN command turns on the head test option. When activated, ~JN causes
the printer to halt when a head test failure is encountered.
Once an error is encountered the printer remains in error mode until the head test is turned off
(
~JO) or power is cycled.
Format ~JN
Comments If the communications buffer is full, the printer is not able to receive data. In this
condition, the
~JO command is not received by the printer.