Some Printer drivers don't honor the request from excel, so you may have
to set the 20 in the printer properties setting rather than the Excel
Print dialog box.

Jeff wrote:

Having problems printing more than 1 copy of a worksheet, I go to file;print
then check "entire workbook" and change the # of copies to what I would like
(say 20)
it only prints 1. It does this on all my saved worksheets so I know there is
a major setting that got changed but I cant find which one.