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 ML-1640 ML-2240 Remanufactured Toner Cartridge – Laser Tek Services
Samsung ML-1640 ML-2240 MLT-D108S 4 Pack Toner Refill With Chip – Laser Tek Services
Amazon.com: TCT Premium Compatible Toner Cartridge Replacement for Samsung MLT-D108S Black Works with Samsung ML-1640 1641 2240 2241 Printers (1,500 Pages) : Office Products
QuikShip Toner
User manual Samsung ML-1640 (English - 83 pages)
Samsung MLTD108S ML-1640 Black Toner Cartridge 1500 Page Yield - Toner For Printers