Command
:HCOPy:ABORt
This command aborts the print output.
Ena.WriteString ":HCOP:ABOR", True
No equivalent key is available on the front panel.
Printer output can be aborts from Windows Printer Dialog box.
Windows Start > Device and Printers > {installed Printer}
In menu of the printer dialog box, Documentation > Cancel
SCPI.HCOPY.ABORT