ZPL commandsPrinter and media
~JEDisable Diagnostics
Not supported by zplkit yet
Ends the communications diagnostics mode started by ~JD and returns the printer to normal operation.
Format
~JE~JDEnable Communications Diagnostics
Starts communications diagnostics mode, in which the printer prints every character it receives along with its hex value and any communication errors. Useful for debugging what the host is sending.
~JFSet Battery Condition
Sets whether a battery-powered printer pauses when the battery voltage is low.