PROUDLY REMANUFACTURED IN CANADA LEXMARK Compatible Black Laser Toner Cartridge for the Lexmark x642e MFP SERIES PRINTERS HIGH YIELD HIGH CAPACITY REPLACES OEM P/N: X644H11A X644H21A Color: Black Yield Pages: 21000 pages @ 5% Coverage Compatibility: Lexmark X642E MFP X642e mfp X644e mfp X644ef mfp X646dte mfp X646e mfp Series Printer