Amazon.com: greencycle Compatible Toner Cartridge Replacement for Samsung SCX-4521D3 SCX4521 Use for SCX-4521 SCX-4521F SCX-4521FG SCX-4521FR SCX-4321 SCX-4321F Printer (Black, 1-Pack) : Office Products
Amazon.com: Pantum M6552NW All in One Laser Printer Scanner Copier with Auto Document Feeder, Wireless Multifunction Black and White Laser Printer, White : Office Products
Amazon.com: 3-Pack (Black) Compatible ML-2010D3 2010D3 High Yield Toner Cartridge 2010 Used for Samsung ML-1610 ML-2010 ML-2010R ML-2510 ML-2570 ML-2571N SCX-4521F SCX-4321 Printer, Sold by MuchMore : Office Products