Checking the Ink Shelf Life You can use the display to check the shelf lives of the inks in slots 1 to 8.ProcedurePress [MENU].Press [▼] several times to display the screen shown below.Press [▶], then [▼] to display the screen shown below.Press [▶] to display the screen shown below.You can check the shelf lives of the inks.Press [◀].Check the shelf lives of the inks in the other slots according to steps 3 and 4.Press [MENU] to go back to the original screen.MEMO: The shelf life items (the expiration year, month, and day) are blank when the ink cartridge's IC chip is broken.