Abstract: A refillable ink ribbon cartridge for use in an electronic typewriter which includes a housing, a changeable feed spool member having a semi-global member for slidably inserting into and removing from an aperture of a tensible plate supported on the cartridge through one side opening, a winding spool member having a semi-global head engagement for converting into the feed spool member, a spring arm for easily removing the winding spool member from the cartridge through the other side opening of the cartridge, and a plurality of stoppers for easily controlling the tensibility of winding spool spring, and a jagged wheel, whereby the used ink ribbon cartridge can be reused and maintains a constant tension on an ink ribbon between the feed and winding spools.