Roll – inking roller: Blue (Purple) ink roller for: Texas Instruments TI 5006 Dimensions (approx.): Length: 13 mm, width: 13 mm/Height: 9 mm Brand: Fax Landsie are 100% compatible (not original) and of the highest quality.Compatible Ink Roller for Calculator, Rechenmaschinen, receipt printers and for cash systems.Matching paper roll can be found right under accessories.