FILLING UNIT OF CARTRIDGE

摘要

PROBLEM TO BE SOLVED: To utilize resources effectively by utilizing a storage means attached to a cartridge effectively thereby promoting reuse of the cartridge. SOLUTION: The filling unit 66 comprises an access means 61 for reading out the quantity of used ink in a cartridge 10 requiring to be refilled from a storage means 15 attached to the cartridge 10, and a refill control means 60 for determining the quantity of ink based on the data thus read out. The cartridge 10 is refilled with a quantity of ink corresponding to ink consumption stored in the storage means 15 by means of the filling unit 66.