The English read: "Do not remove an ink tank until a new one is prepared to be installed

Still, the display said that an ink tank was improperly installed

And these ink tanks aren't cheap,

Once you remove an ink tank, the printer will not operate even if the removed ink tank is just reinstalled

This included time spent on going through two road map sized "easy installation" sheets, some basic assembly of parts, a long period of calibration, massive software downloads and updates as well as stepping through an initial setup routine that must be performed both through the printer's touch screen as well as on your PC