HP 4250 / 4350 Duplex Unit Q2439B Refurbished

The automatic duplexer is included with the HP LaserJet 4250dtn, 4250dtnsl, 4350dtn, and 4350dtnsl printers.For models that do not include an automatic duplexer, you can print on both sides manually. You can also order the duplexer as an accessory.