>Thanks for the additional input. I did something like that this morning and
>discovered that the HP 4 Plus driver provided those setup options.
>
>What got me started down the wrong path is that the actual model printer
>involved is the HP LaserJet 4M Plus and the specific driver for that printer
>does *not* offer the duplex setup options. I have now tested the application
>using the HP LaserJet 4 Plus driver and it works fine.
>
>Thanks again,
>
>Greg Low
//:^)