HP LaserJet 3050, 3052, 3055, 3390 and 3392 All-in-Ones - Install a print driver on a Windows 7 computer (32-bit only) using Windows Vista compatibility mode | HP® Support
Solved: My Laserjet 3390 no longer offers double sided printing afte... - HP Support Community - 5337539
HP LaserJet 3392 All-in-One Printer Software and Driver Downloads | HP® Support
2PK Q5949A 49A Black Toner Cartridge For HP Laserjet 1160 1320 3390 3392 Printer | eBay
HP LaserJet 3050, 3052, 3055, 3390 and 3392 All-in-Ones - Install a print driver on a Windows 7 computer (32-bit only) using Windows Vista compatibility mode | HP® Support