Is it possible for a Windows Desktop Application to send .zpl to a Zebra printer that is not on the Link-OS MultiPlatform SDK...

Is it possible for a Windows Desktop Application to send .zpl to a Zebra printer that is not on the Link-OS MultiPlatform SDK supported printers list ? We have a customer that would like to print to Zebra ZM400 and GK420D. They also have a ZT410 which is supported.