FRPSDUWPHQW&ORVHFRYHUWKH Press down firmly on the two white dots on the top of the cover until it snaps securely closed.
You actually hear two distinct clicks as the cover engages with zthe compartment base.
Make sure the sides of the gray compartment cover touch the
UHPRYHGLQN5HLQVWDOOWDQNV\RXHDUOLHUWKHzblack base of the print head compartment.
0DLQWDLQLQJWKH3ULQWHUBe sure to insert the tanks into the correct slots.