1.1000i cartridge with 640 nozzles , Printhead 2.Print at least 4L inks ,head 3.Compatible with LC4000,LC4600,LC5000,Encad1000 1.1000i cartridge with 640 nozzles2.Longlife , durable , fire-now , all-in-one3.Print at least 4L inks4.Compatible with LC4000,LC4600,LC5000,Encad 1000i