Compatible Sharp Drum Cartridge AL100DR (18,000 Page Yield) for Sharp AL-1540RF, Sharp AL-1551, Sharp AL-1551CS, Sharp AL-1551RF Compatible with Sharp AL1000, AL1010, AL1020, AL1041, AL1200, AL1215, AL1220, AL1250, AL1251, AL1340, AL1351, AL1451, AL1520, AL1521, AL1530CS, AL1540CS, AL1551, AL1551CS, AL1631, AL1641, AL1641CS, AL1642CS, AL1651, AL1651CS, AL1655, AL1655CS, AL1661, AL1661CS, AL2030, AL2040CS, and AL2050CS models 6 months manufacturer warranty against produc defect 30-day satisfaction money back guaranteed Manufactured in an ISO9001 certified factory for highest standards 18,000 page yield at 5% coverage