HP LaserJet Pro 400 color Printer M451dn cancels when I try duplex printing. Literature states it has automatic duplex however the Finishing tab states duplex is manual.
What do I need to do for duplex printing.
HP LaserJet Pro 400 color Printer M451dn cancels when I try duplex printing. Literature states it has automatic duplex however the Finishing tab states duplex is manual.
What do I need to do for duplex printing.