The Samsung CLX-3185 series (including CLX-3185, 3185FN, 3185FW, and the variant sometimes typed as "3185rar" due to OCR or keyboard errors) uses a on each toner cartridge. This chip tracks page counts and ink levels. Once the chip says "zero," the printer stops working—even if the cartridge is half-full.
the chips on the toner cartridges so the printer stops trying to read them. Alternative Reset Methods printer toner reset firmware fix samsung clx 3185rar work