Read the following instructions before replacing the maintenance box.
Do not touch the sections shown in the illustration. Doing so may prevent normal operation and you may get smeared with ink.

Do not drop the maintenance box or subject it to strong shocks.
Do not replace the maintenance box during printing; otherwise, ink may leak.
Do not remove the maintenance box or its cover except when replacing the maintenance box; otherwise ink may leak.
When the cover cannot be reattached, the maintenance box may not be installed correctly. Remove the maintenance box, and reinstall it.
Do not tilt the used maintenance box until after it is sealed in the plastic bag; otherwise ink may leak.
Do not touch the openings in the maintenance box as you may get smeared with ink.
Do not reuse a maintenance box which has been removed and left detached for a long period. Ink inside the box will solidify and prevent the box from absorbing any more ink.
Keep the maintenance box out of direct sunlight.
Do not store the maintenance box in high or freezing temperatures.