Samsung MLT-D108S Black Toner Cartridge, Compatible for ML-1640 & ML-2240
Amazon.com: Black Toner Refill Kit w/chip compatible with Samsung ML-1640 : Office Products
Laser Toner Cartridge MLT-108S Black Compatible For Samsung ML 1640 1641 2240 2241 Printer - Printer Point
Amazon.com: Toner Cartridge MLT-D108S Works for Samsung ML-1640 ML2240 ML2241 ML1641 Series Monochrome Laser Printer, Yields Up to 2,000 Pages Office Products Black : Office Products