usb.device.device_version
usb.device.device_version

usb.device.device_version

This command returns the version of the USB device being queried.

Getvar

This command instructs the printer to respond with the printer’s USB version.
! U1 getvar "usb.device.device_version"
Example
! U1 getvar "usb.device.device_version" "1.1"