Duplex Double-Sided Printing General 200 A -dDuplex=%s cdj970 ev/628 Off None 0 On (Flip on Long Edge) DuplexNoTumble 2 printer/HP-DeskJet_840C printer/HP-DeskJet_841C printer/HP-DeskJet_842C printer/HP-DeskJet_845C On (Flip on Short Edge) DuplexTumble 1 printer/HP-DeskJet_840C printer/HP-DeskJet_841C printer/HP-DeskJet_842C printer/HP-DeskJet_845C