Speedy Inks - 10PK Compatible Casio Black and Red Ink Roller IR-40 CP-13 For use in: Adler Allen AT&T Aurora Canon Casio Citizen Facit Grundig Ibico Marchant MBO Monroe Niko Olivetti Olympia Optima Pacesetter Panasonic Radio Shack Royal Sanyo Sharp Staples Swintec Texas Instruments Tricom Triumph Unisonic Victor Each IR-40 compatible roller is tested to ensure professional quality results on every page! Shelf Life: 24-36 months Color: Black/Red The use of aftermarket replacement cartridges and supplies does not void your printer's warranty