There's IPP, there's the printing part of CIFS, even plain old JetDirect (raw print data over a socket). What's nonstandard is the ways of telling the hundreds

There's IPP, there's the printing part of CIFS, even plain old JetDirect (raw print data over a socket). What's nonstandard is the ways of telling the hundreds of ink nozzles of various colors to produce a particular picture. There's of course PostScript, but it is only implemented in expensive printers.