Cancel All
The ~JA (Cancel All) instruction cancels all format instructions in the
buffer. It also cancels any batches that may be printing.
The printer will stop printing after the current label (if one is printing)
is finished printing. All internal buffers will be cleared of data. The
“DATA” LED will turn off.
Effective for Version 18.6.5
In the past, the ~JA command deleted data received after the ~JA;
now it scans the buffer for the ~JA and only deletes the data before
the ~JA in the input buffer—it doesn’t scan the remainder of the
buffer for additional ~JA commands.
Reset Battery Dead
The ~JB (Reset Battery Dead) instruction is used for the following
two conditions.
1) This instruction must be sent to the printer if the battery
supplying power to the Battery Powered Font Card fails and is
replaced. (A bad battery would show a “battery dead” condition
on the Printer Configuration Label.)
NOTE: If the battery is replaced and this instruction is not sent to
the printer, the Battery Powered Font Card will not function.
2) To intentionally clear (reinitialize) the Battery Powered
Font Card (the card must not be write protected).
256 ZPL II COMMAND REFERENCE
~JA
~JB
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