Compatible with: imageCLASS LBP-622Cdw, MF641Cw, MF642Cdw, MF644Cdw This is the Compatible Higher Yield Version of: 3024C001 / 054 Black. Page Yield*: 3,100 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) All LD compatible and remanufactured cartridges are quality tested to ensure long-lasting use and bold, vivid print on every page Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.