The HP Deskjet 3630 ink cartridge for HP 3630 printers, are the HP 63 units. This printer uses one black ink cartridge (left), and one tri-color cartridge (right). Note that both cartridges carry the same number (HP 63). HP 3630 Ink Cartridge Labeling Ink Cartridge Bag Labeling The label on the black ink cartridge says … Continue reading HP Deskjet 3630 Ink Cartridge Details