i refer to this kind of testers. Tester Package $1,299.00
Buy all 4 Testers and Save!
P-T600 for HP 14/26/29/33 black and HP 25/49 color cartridges
P-T900 for HP 15/45 black and HP 23/25/41/78 color cartridges
P-T5550 for HP 27/28/56/57/58 black and color cartridges
P-TLexmark for...
i make some kind of invention related to the spin-dryer machine.i make something to dry the cartridges and remove ink bubbles.i have an electric scooter of my daughter.24v,motor spin 2800 rpm.i make the scooter a "spin dryer.i leave all the components except the batteries,motor...