1. Is his QuickViewer on? If yes, turn it off.
2. Can you print portrait from another program then go into GroupWise and print. Does it print Landscape?
3. Try resetting the defaults on the printer, highlight your printer, select File, Properties, select the tab labeled "paper" and then press Restore defaults (or click the circle for portrait orientation), then select Apply, OK.
Then go to GroupWise select File, Print Setup. Then press Setup, select the tab labeled "paper" and press Restore defaults (or click the circle for portrait orientation) then select Apply, OK.