Compatible with Samsung ML-1610 / 2010 / 2510 / 2570 / 2571 / Dell 1100/ Dell 1110 / Xerox3117 / SCX 4521 (3 000 page yield) This is an aftermarket product (remanufactured / compatible). The Samsung® brand is used for reference / compatibility purposes only and does not imply that the cartridge is an Original Samsung Brand product nor that it is endorsed by Samsung.