MYCARTRIDGE Remanufactured Ink Cartridge for HP 63 XL 63XL Eco-Saver use with OfficeJet 3830 3831 4650 4655 Envy 4520 4516 DeskJet 1112 2130 2132 3630 3633 (1 + 2 Pack)

Installation Guide For the first ink cartridge: Remove it black cover then tear off the yellow protective tape, then install it into the printer When printer shows "Cartridge Problem, Please replace ink cartridge" it means ink is out, Take off the cartridge then follow the step to replace new ink cartridge: (1)Take of the printer head of the first used ink cartridge (Press the button placement then take it off) (2)Take of the new ink cartridge black cover (3)Install the new ink cartridge to the reusable printer head (Please make sure the chip position is right) (4)Install the new ink cartridge into printer Note: For the third ink cartridge, please follow the above install guide For better print out, please clean the print head with tissue for once or twice