I am using the latest version of Acrobat Pro. When I try to print 2 copies of a document, I get 4. If I print 3, I get 6 . . . etc. This started not with the latest update, but the one before that.
On a Mac running 10.9.5. The printer is an hp laser jet 1025c.
It seems to be an Acrobat issue. If I print directly from InDesign or any other program, it does fine. Happens to everyone else here, too.