New Universal Black and Red Printing Calculator Ribbon Spools With Dark Print Quality (3-Pack Deal) GRC E201BR Impact and Dot Matrix Printer Ribbons international We suggest changing your ribbons after replacing 3 paper tape rolls. This universal twin-spool ribbon is compatible with all printing calculators that take ribbon spools. Brands such as Canon, Casio, Innovera, Monroe, Sharp, and Victor. Here are some of the brands and models these work with: Addo – X P-14, 9212 Adler – 12P, 121P, 121PD, 1410P, 1410PD, 120P, 120PD, 1200, 1210 and 1414 Burroughs – 3000, 6000, EA-2100, 4000, 4600, C-6453/6460, S-600, S-690, C-2050, C-2400, C-2439 Canon – 20, CP-1008, EPC-10, CP-1011D, CP-1200-1212, CP-1230D, CP-1231D, CP-1240 Casio – DL-210/220/250, DR-1210, 1212, 1410, 1411, 6210P, 6220P, DR250HD, MP41DH, R-1001/1203, DL-300/310/320, R-1/12/120, 63ER Facit – 1175, 1177, 1190, 1191, 2201, 2204, 2251, 2252, 2257, 2259, 2202, 2253; Hermes 1000, 1100, 4200; HP 46, 81, 9805 Olympia – CPD-7220, EC-1195/3000/4000/6000/7000 Quill QX-714, P714, P712D, P713D Royal – 100P, 300P, 300PD, 1410P, 1410PD, 12PR, 420PD, 435PD, 350PD, 960PD, 1428PD Sharp – 300, 300 Srs, 500, 600 Srs, 742, 743, 823, 824, CS-1181/1606/1780, CS-2053/2062/2137/2157, EL-1630, VX-1612/1652/2650, 3300, 3800, EL-2630/2630GII Texas Instruments – 5200, 5213, 5215, 5217, 5219, 5320, 5330, 5340, 5660 Victor – 100, 350, 600 Series, 800 Series, 332, 1280, 1520, 1530, 1600, 1670, 1675, 1645, 1655The manufacturer of this product is General Ribbon Company. These ribbons are made to the highest specifications and are the darkest inked universal ribbons on the market today.