Error Code: 50
This error is detected when ink refill becomes necessary during printing.
Refill the ink where the inside of the ink color box is white on the display panel, and perform ink activation.
Because the white ink tank includes an ink mixing function, the ink level changes as a result of mixing. When time has passed, the ink level may stabilize and the ink color box on the display panel may indicate that ink is present. When the [EXIT] button is pressed, the display screen shows that printing is possible, however, this is only a temporary solution and you should add ink.