Getvar
To return the number of
remaining labels:
! U1 getvar "media.cartridge.labels_remaining"
Result
"no"
indicates that
the cartridge is not inserted or the printer does not support this command.
Example
In this example, the
getvar
returns the
number of print labels that is remaining in the cartridge.
! U1 getvar "media.cartridge.labels_remaining" "10"