Drop volume: 1.5 - 3.5 picoliters (Multi drop size technology). Total amount of nozzle: 3600. Please check and verify compatibility of your printer model. This part must be installed by qualified personnel only.The item "Epson Printhead F191040 / F191080 / F191110 / F191140 for 7700 / 9700 / 9910 NEW" is in sale since Wednesday, January 24, 2018. This item is in the category "Computers/Tablets & Networking\Printers, Scanners & Supplies\Printer & Scanner Parts & Accs\Print Heads". The seller is "sourceit" and is located in Sofia. This item can be shipped worldwide.