Compatible with: M402d, M402dn, M402dne, M402dw, HP M402n, MFP M426dw, MFP M426fdn, HP MFP M426fdw Compatible Replacements Included: 4 Pack Black CF226A 26A Standard Yield Toner Cartridge Delivers 3,100 pages, Average cartridge Page Yield* in accordance with ISO 19753. *at 5% coverage (ISO/IEC standard) These are the standard yield version of CF226X compatible toner cartridge Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.