Based on this product's specifications, here are some alternatives and similar models
RoGer Laser Toner Cartridge Black for Samsung ML-1610 / ML-2010 / SCX-4521 / Xerox 106R01159H, 2K pages (analog)
Summary description:
Compatible RoGer black laser toner cartridge designed for Samsung ML-1610, ML-2010 and SCX-4521 series and Xerox 106R01159H replacement. Analog cartridge yields approximately 2,000 pages and fits models ML-2010D3, ML-1610D2 and SCX-4521D3. Suitable for everyday monochrome printing needs in home and small office environments, providing straightforward installation and reliable text output.