The Samsung SCX-3400 laser toner cartridge from ezink Products is a 100% brand new compatible laser toner that is Guaranteed to meet or exceed the print quality of the OEM (Original Equipment Manufacturer) Samsung MLT-D101S laser toner cartridge. Purchasing our Samsung SCX-3400 laser toner is an excellent way to save money without sacrificing quality. Our Samsung SCX-3400 laser toner cartridge has a '100% Satisfaction Guarantee'. The use of our compatible laser toner for the Samsung SCX-3400 does not void your printer's warranty. OEM laser toner cartridges are also available for your Samsung SCX-3400 printer.