The remaining ink levels shown on the Display Screen correspond to the inks identified by the Color Label on the bottom ofthe Display Screen.These symbols may be displayed above the ink level: ! if ink is low, × if no ink is left, and ? if you have deactivated inklevel detection.The remaining ink level is indicated as shown below.If the Display Screen indicates to replace the Ink Tank, replace the Ink Tank. If a message is displayed indicating to checkthe remaining ink levels, or after tasks that consume a lot of ink such as large-format printing or head cleaning, check theremaining levels and replace Ink Tank as needed. (See "Replacing Ink Tanks.") →P.720When to Replace Ink TanksReplace or prepare to replace ink tanks in the following situations.If a message for checking the ink is shown on the Display ScreenWhen there is little ink left, the Message Lamp is lit and "Not much ink is left." is shown on the Display Screen. You cancontinue to print, but prepare to replace the Ink Tank. (See "Checking Ink Tank Levels.") →P.725Before print jobs and maintenance that consume a lot of inkIf little ink is left, there may not be enough for large-format printing, head cleaning, and maintenance, which require a lot ofink. In this case, replace or prepare to replace the Ink Tank before maintenance.Maintenance > Ink Tanks >When to Replace Ink Tanks iPF65010726