Toner Refill Store's premium compatible Dell color toner cartridges contain brand new parts and are 100% guaranteed to meet or exceed your expections and surpass the print quality of the OEM (Original Equipment Manufacturer) Dell 3100CN. Our Dell 3100CN color toner cartridges are made from the highest quality materials and are manufactured in an ISO-9001 certified factory. Toner Refill Store carries the black, cyan, magenta, and yellow toner cartridges. We also offer many of our color sets in combo packs for increased savings! Our Dell 3100CN high yield laser toner cartridge have a 'One Year 100% Satisfaction Guarantee'. The use of our premium compatible laser toner cartridges for the Dell 3100CN does not void your printer's warranty.