>Yes, HP drivers were my first guess, too. That's why I tried the Generic/Text Only.
>
>The problem occurs long before printing. When stepping through in the debugger, it occurs on the REPORT FORM command, before the preview window appears and even before any code in a report form's data enviroment is run.
>
>- General fields/ActiveX etc. : No
>- disable any antivirus that may be active, and test : Will try this, but it is not common to all sites.
>- Custom print spoolers or other software running that may interfere?: Possible in some places, but would not be common to all sites
>- any other resident processes like spyware etc.?: None on my machine, which exhibits the problem. (Can't speak for the clients's machines.<g>)
>
>The problem is occurring at 5 client sites in addition to what I'm seeing on my machines. I'd be shocked if the workstations at any one site had the same hardware, drivers, etc. I would tend to implicate these if the problem was at one or even two sites, but it does seem to be everywhere. i

Is this a problem that has been ongoing for a while, or can you isolate it to (say) a given point release of your app?

Do your reports run any UDFs in field expressions?