The Samsung MLT-D109S (or 109S) is a black toner cartridge primarily designed for the Samsung SCX-4300 monochrome laser printer.
Printer Compatibility
While strictly optimized for the SCX-4300 series, some compatible variants are designed to work with a broader range of legacy Samsung and Xerox printers.
Additional Models: SCX-4310, SCX-4315, and occasionally older units like the ML-1710 or SCX-4521 (depending on the specific compatible brand).