I found a CoolSolutions doc,

Cool Solutions: Installing iPrint Printers via a Batch File and ZENworks

I really need to make this work but am having an issue with the driver. The following is my code:

rundll32.exe printui.dll,PrintUIEntry /b "WAU01W_HP4345M" /x /n "Never mind this" /if /f c:\temp2\driver\hpcm434c.inf /r "ipp://" /m "HP LaserJet 4345 mfp PCL 6"

I keep getting an error message that says the driver is not correct but it is. Any suggestions?