Package Includes: Compatible Replacement for 312A Toner Cartridge 1 Pack 131X | CF210X Black toner cartridge 1 Pack 131X | CF211X Cyan toner cartridge 1 Pack 131X | CF212X Yellow toner cartridge 1 Pack 131X | CF213X Magenta toner cartridge Compatible for Printers: MFP M276n (CF144A) Printer M251n (CF146A) Printer M276nw (CF145A) Printer M251nw (CF147A) Printer High Compatibility: Each toner cartridge is strictly inspected with a precise quality control to ensure compatibility for your printer model. Reliable Printing Results: Consistent printing brings you brilliant printing for office memo, reports, contracts, text and more. Easy to Install and High Compatibility, Give You a Better Printing Experience. If you have any questions, please contact us immediately, we will answer you. Wish you a happy shopping.