The time for ink mixing has arrived.

This message appears when it is time to mix the ink.

When Ink Mixing Notification accessed with Preferences - Notifications On/Off is on, this message appears when 1 week elapses from the last time the ink was mixed.

Tap The time for ink mixing has arrived. to display the confirmation screen.

Remove a pouch tray, shake it 50 times (for approximately 20 seconds), and then reinsert it. Perform this operation for all the pouch trays. On completion, tap Yes.