Toner ModelCompatible for Lexmark CS421, 78C10K0 78C10C0 78C10M0 78C10Y0 toner cartridgesColor1 x Black, 1 x Cyan, 1 x Magenta, 1 x YellowCompatible DevicesLexmark CS421, CS421dn, CS521, CS521dn, CS622, CS622de, CX421, CX421adn, CX522, CX522ade, CX622, CX622ade, CX625, CX625ade, CX625adhePage YieldBlack：2,000 Pages ，Cyan/Magenta/Yellow : 1,400 PagesAbout this item

• Toner Model: Compatible toner cartridges replacement for Lexmark CS421, 78C10K0 78C10C0 78C10M0 78C10Y0 toner cartridges.
• Compatible Printers: Engineered to work seamlessly with Lexmark CS421, CS421dn, CS521, CS521dn, CS622, CS622de, CX421, CX421adn, CX522, CX522ade, CX622, CX622ade, CX625, CX625ade, CX625adhe printers, no need to setup.
• Long-Lasting & High Page Yield: Up to 2,000 Pages per 78C10 78C10K0 Black Toner, 1,400 Pages per color 78C10C0 Cyan , 78C10M0 Magenta, 78C10Y0 Yellow Toner at 5% coverage of A4 letter. our toner is optimized for extended use, reducing replacement frequency.
• Package Contents : 8-Pack compatible toner, 1 Black, 1 Cyan, 1 Magenta, 1 Yellow, ( 78C10K0 , 78C10C0 , 78C10M0 , 78C10Y0 Toner)
• Easy Installation & Reliable Performance: No leaks, no jams—plug-and-play design ensures a smooth, hassle-free printing experience.

Package Include:

• 4-Pack compatible toner, 1 Black, 1 Cyan, 1 Magenta, 1 Yellow, ( 78C10K0 , 78C10C0 , 78C10M0 , 78C10Y0 Toner)

Brand New, free return, 1 Year Warranty, buy with confidence!
*Please note: The box has been opened, and one of the cartridges has had the seal taken off. The other 3 are still sealed. This is an amazon return- the customer purchased the incorrect ink and returned it so all all 4 are brand new never used! Which is why this is so cheap :)