How to Refill HP 303, HP 303XL, 305 or 305XL Tri-Colour Ink Cartridges

Even though the original HP 303, HP 303XL, HP 305 or HP 305XL contain different amounts of ink, the sponges within are the same size, so you can use the 3ml of cyan, magenta and yellow ink (9ml total) in either type of cartridge when refilling. The tri-colour HP 303 (T6N01AE) and HP 303XL (T6N03AE) are compatible with the Hewlett Packard colour inkjet printers listed here: -Envy Inspire 7920e All-in-One -Envy Photo 6220 Wireless All-in-One -Envy Photo 6230 -Envy Photo 6232 -Envy Photo 6234 -Envy Photo 7130 -Envy Photo 7134 -Envy Photo 7830 -Tango -Tango X The tri-colour HP 305 (3YM60AE) or HP 305XL (3YM63AE) are compatible with the Hewlett Packard colour inkjet printers listed here: - Deskjet 2710 - Deskjet 2710e - Deskjet 2720 - Deskjet 2720e - Deskjet 2721 - Deskjet 2721e - Deskjet 2722 - Deskjet 2722e - Deskjet 2723 - Deskjet 2723e - Deskjet 2724 - Deskjet 4110e - Deskjet 4120e - Deskjet 4122e - Deskjet 4130e - Deskjet Plus 4110 - Deskjet Plus 4120 - Deskjet Plus 4122 - Deskjet Plus 4130 - Envy 6000 - Envy 6010 All-in-One - Envy 6020 All-in-One - Envy 6022 All-in-One - Envy 6030 All-in-One - Envy 6032 All-in-One - Envy 6032e All-in-One - Envy 6432 e-All-in-One - Envy 6452 All-in-One - Envy Pro 6400 - Envy Pro 6420 All-in-One - Envy Pro 6422 All-in-One - Envy Pro 6430 All-in-One - Envy Pro 6432 All-in-One