4 When all cartridges have been successfully installed the icons will stop flashing; press Enter on the front panel (or await the time-out). 5 Finally close the ink cartridge cover. You will see the front-panel message “HP ink cartridges successfully installed“ Replacing Ink Cartridges 35 3 Insert the ink cartridge into its correct position, pushing it down until it clicks into place. Colored labels on the ink cartridges must correspond with the same colored labels on the printer. Arrows on the cartridges point towards the front of the printer.