Our product is compatible with Lexmark OEM code: X651H11E X651H11E and is designed to work on the printers listed below: Brand: Lexmark Compatible printers: XX 650 X 650 DE X 651 X 651 DE MFP X 652 DFE MFP 658 DME MFP X 658 DTE MFP X 658 DTFE MFP X 658 DTME MFP Color: Black Duration: 25,000 A4 pages calculated according to ISO/IEC 19798 standards, i.e. with an average coverage of 5% - When printing photographs or backgrounds with high coverage, or full page, the number of pages actually printed will be smaller because a larger quantity of paper will go on the pages. of toner greater than 5%. OEM Code: X651H11E X651H11E EAN Code: Not available. This is not an original product. Our consumables are CE, ISO 9001 or ROHS certified. For any problem contact Technical Support +39 327 227 6456 - We will replace the defective product or refund the order up to 36 months from purchase. We provide free technical support on the operation of your printer, even for problems not caused by our product. We do not abandon our customers.