6.Before you remove the new cartridge from its package, shake it four or five times.
7.Unwrap the new ink cartridge and lower it into the holder. Push down gently until the cartridge is firmly seated.
Caution:
Don’t touch the green circuit board on the front of the cartridge; you may inhibit normal operation and printing.
Don’t touch the green part
8.If you need to replace other ink cartridges, repeat steps 5 through 7 before continuing with step 9.
Removing and Installing Ink Cartridges 25