4.Remove the cartridge you need to replace. Press in the tab in back of the cartridge to release it, then lift the cartridge straight out. Dispose of it carefully.
Note:
The illustration above shows the black cartridge being removed. Only remove the cartridge(s) you need to replace.
5.Unwrap the new cartridge.
6.Insert the new cartridge into the holder. Press down firmly until it clicks into place.
If you need to replace other ink cartridges, repeat steps 4 through 6 before continuing with the next step.
56Maintaining Your RX620