Contiguous print jobs in script print out of sequence

OK, this is a weird one, though I'm new to v.9, so maybe it's a known issue. I've got a script which prints 8 pages, each on a separate layout. The first print command throws up a print dialog box, but the remaining 7 print commands are with no dialog. Some pages have some simple bitmap graphics on them, but most don't.

The problem is, when I go to the printer, the pages are in what seems like random order (e.g. 1, 2, 5, 6, 7, 4, 3, 8). The file is served by Server 9 with FM 9.03 clients, and I've encountered this problem printing from Windows, Mac, using different network printers, etc.

If I open Debugger and step through the print script, sometimes the pages print out in proper sequence; I also got them to print in proper sequence by adding a 5 second pause step after each print step, but that only worked once, so maybe it was just random luck.

Anybody encountered something like this before??