CS Compatible for Samsung CLP 680 CLT-K506L Black CLT-C506L Cyan CLT-Y506L Yellow CLT-M506L Magenta CLP-680 680ND CLX-6260 6260FW 6260FD 6260FR 6260ND Toner Cartridge 4 Color Set Page Yield: Black: 6,000 Colors: 3,500 Replaces CLT-K506L CLT-C506L CLT-Y506L CLT-M506L . The Compatible toner cartridge will produce the same amount of page yield as an OEM cartridge would. WARNING: Avoid poor quality knockoffs from other sellers; order directly from Clever Supplies Toner to receive the exact product listed and ensure superior quality. Premium Quality Replacement Toner Cartridge is made by ISO9001 Certified Factory to Meet or Exceed OEM Standards. All Clever Supplies brand products are backed by '100% Quality Satisfaction' 1 year warranty against defects in materials and workmanship for all toner products. Free tech support for any problems for all Clever Supplies brand products. These units are manufactured 100% brand new with all new parts including OPC drums, wiper blades, a smart chip and other internal parts, they are an economical alternative to expensive OEM laser toner cartridges. Compatible with Samsung Printers: CLP-680 CLX-6260 CLX-6260FW CLP-680ND CLX-6260FD CLX-6260FR CLX-6260ND