Based on this product's specifications, here are some alternatives and similar models
Toner Quantec replacement for S051170 (TON-1015) Black cartridge
Summary description:
Quantec TON-1015 (replacement for S051170) is a black toner cartridge compatible as an alternative to the original S051170 model. Designed for monochrome laser printing, it supplies black toner for document and office use. Use it to replace empty cartridges in supported printers to restore printing capacity and maintain text clarity in reports, invoices and everyday prints.