Samsung MLT-D108S - Black - original - toner cartridge (SU786A) - for Samsung ML-1640, ML-1641, ML-1642, ML-1645, ML-2240, ML-2241, ML-2451 - Walmart.com
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SPS ML1640 / 1640 / ML-1640 Black Toner Cartridge for Samsung Printer Black Ink Toner - SPS : Flipkart.com
Compatible Toner Cartridge MLT-D108S Black For Samsung ML-1640 ML-2240 | eBay
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
Samsung MLTD108S ML-1640 Black Toner Cartridge 1500 Page Yield - Toner For Printers