CS Compatible for Dell 1250 331-0778 Black 331-0777 Cyan 331-0779 Yellow 331-0780 Magenta 1355cn 1355cnw 1350cnw C1765 1250c C1760 C1765nf 1350 C1765nfw Toner Cartridges 4 Color Set Page Yield: Black: 1400 Color: 2000 Replaces 331-0778 331-0777 331-0779 331-0780 . 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 Dell Printers: 1355 1355cn 1355cnw 1250 1350cnw C1765 1250c C1760 C1765nf 1350 C1760nw C1765nfw