Konica Minolta A0VT011 Duplexer for 1650EN & 1690MF Printer The Konica Minolta A0VT011 is a Duplexer for 1650EN & 1690MF Printer. It requires (A0VP012) Lower Feeder unit to raise the printer height to accommodate the duplexer laser-printers Photoconductor Unit S051104