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(Refurbished) HP LaserJet 5100 Duplex Unit (Q1864A) enables front and back printing. It helps save money by reducing paper usage.Compatible Printers for the HP Q1864AHP LaserJet 5100 (Q1860A)HP LaserJet 5100dtn (Q1862A)HP LaserJet 5100tn (Q1861A)
HP Refurbished Duplexer for the HP Laserjet 600 M601 M602 M603 series printers. Will also work with the HP LaserJet P4014 P4015 and P4515