HP JETDIRECT 615N 10/100 EIO INTERNAL PRINT SERVER J6057A P/N J6057A . Unit was pulled from a working printer and guaranteed operational. Network your printer with the latest technology! The HP Jetdirect 615n Fast Ethernet internal print server connects top-of-the-line HP printers and multi-function peripherals to Ethernet/Fast Ethernet network environments. Supported printers The HP Jetdirect 615n/610n/600n print servers are supported in all HP printers and multifunction peripheral devices (MFPs) with Enhanced Input/Output (EIO) slots, such as: HP Business Inkjet 2200 series (Windows environment only. Operates best with printer firmware version 6.4.0 or higher.) HP Business Inkjet 2250 series (Operates best with printer firmware version 6.4.0 or higher) HP Color LaserJet 4500 series HP Color LaserJet 8500 series HP Color LaserJet 8550 series HP LaserJet 2100 series HP LaserJet 4000 series HP LaserJet 4050 series HP LaserJet 5000 series HP LaserJet 8000 series HP LaserJet 8100 series HP Mopier 240 HP Mopier 320 HP LaserJet 8150 series HP Designjet 500 series HP Designjet 800 series HP Designjet 5000 series HP Designjet 50PS HP Color LaserJet 4550 series HP LaserJet 9000 series