... inkjet cost 2,Refill easy 3,Permanent chip 4,XL size 260ml,Double OEM ink cartridge 5,Transparent material Feature: ... Jam or clog of the Nozzles. 4, Easy Refill: just pour down ink from ink refill hole 5, save Cost ... When the amount of ink to zero of chip, Just turn off the printer for 5 second and turn on ... Y 260ml Shelf life: 2 years. H72#P XL Size 260ml Refill ink cartridge with permanent chip for HP ...