There is provided a consumable supply method for supplying a refill consumable stored in a refill consumable container to a consumable container installable in an equipment body. The consumable supply method includes removing a refill information storage device storing information on the refill consumable from the refill consumable container; removing an information storage device storing information on a consumable contained in the consumable container, the information being for exchange with the equipment body, from the consumable container; and attaching the refill information storage device removed from the refill consumable container as an information storage device to the consumable container in place of the information storage device removed from the consumable container.