LD Compatible Laser Drum Unit Replacement for Sharp AL-100DR Page Yield: 18,000 | Shelf Life: 36-48 months The use of compatible cartridges and supplies does not void your printers warranty This compatible drum unit comes equipped with brand new parts including OPC drum, and wiper blades All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following Sharp AL Printers: 1000, 1010, 1020, 1041, 1200, 1215, 1220, 1250, 1251, 1340, 1351, 1451, 1520, 1521, 1530CS, 1540CS, 1551, 1551CS, 1631, 1641, 1641CS, 1642CS, 1651, 1651CS, 1655, 1655CS, 1661, 1661CS, 2030, 2040CS, & 2050CS