Printer partsb. Ink SetIndicates how to replace the Ink Tank. An Ink Tank (→P.673) that can be used in the printer islabeled with a white letter “F” in a black circle on the side. When purchasing an Ink Tank, makesure an “F” is printed on the label.c. Ink Lamp (Red)Indicates the state of the Ink Tank as follows when the Ink Tank Cover is opened.• OnThe Ink Tank is installed correctly.• OffNo Ink Tank is installed, or the ink level detection function is disabled.• Flashing SlowlyNot much ink is left.• Flashing RapidlyInk tank is empty.Printer parts 13