This document contains steps for replacing the cartridges.
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note:This video shows the HP Officejet 4620 e-All-in-One Printer series, but the steps are the same for your printer.
caution:Make sure you remove the orange pull-tab and plastic wrap completely before you twist the orange cap in the next step. Otherwise, ink might leak from the ink cartridge. When you remove the plastic wrap, the paper label on the top of the ink cartridge tears slightly, which is necessary to properly vent the ink cartridge.