6 Photosharp compatible ink roller for Sharp IR-9l/9O, ER-1875, ER-1920, ER-1921S, ER-2540, ER-2592, ER-2905, ER-2908, ER-2910, ER-3010, ER-3630, ER-3660, ER-A320 ER-A330, ERA 320/330 Cash Register Shelf life: 1 year Compatible purple ribbon