device.serial_numbers.parallel_option_board
device.serial_numbers.parallel_option_board

device.serial_numbers.parallel_option_board

This command retrieves the serial number of the parallel port option board. For printers that do not store this value, the printer returns an empty string.

Getvar

To return the parallel port option board serial number:
! U1 getvar "device.serial_numbers.parallel_option_board"