![How I fixed it: HP LaserJet P2015dn shows only manual duplex under Windows 7, but auto duplex unit is installed How I fixed it: HP LaserJet P2015dn shows only manual duplex under Windows 7, but auto duplex unit is installed](http://1.bp.blogspot.com/-w_oqGvMoBlU/UP6lhX0wQpI/AAAAAAAAAKQ/GkfhTB0JtQA/s1600/original.gif)
How I fixed it: HP LaserJet P2015dn shows only manual duplex under Windows 7, but auto duplex unit is installed
![HP LaserJet P2015 Printer. | Industrial Machinery & Equipment Business Liquidations Schools & Daycare Liquidations | Online Auctions | Proxibid HP LaserJet P2015 Printer. | Industrial Machinery & Equipment Business Liquidations Schools & Daycare Liquidations | Online Auctions | Proxibid](https://images.proxibid.com/AuctionImages/10650/142005/FullSize/175.jpg)
HP LaserJet P2015 Printer. | Industrial Machinery & Equipment Business Liquidations Schools & Daycare Liquidations | Online Auctions | Proxibid
![HP LaserJet P2015 Printer. | Computers & Electronics Computers Printers & Scanners | Online Auctions | Proxibid HP LaserJet P2015 Printer. | Computers & Electronics Computers Printers & Scanners | Online Auctions | Proxibid](https://images.proxibid.com/AuctionImages/10650/150911/FullSize/13.jpg)