... guarantee 3 times QC testing 24 hours respons CategoryCompatible color toner cartridge oki 41963601/ 41963602/ 41963603/ 41963604Suitable forOKI C9100 ... According to the customers request.3) MITSUBISHI or LG toner powder, Samsung proprietary powder.Quality Guarantee1) We have ... factory.2.Stability quality, strong fuser film fixation, vivid color, lowers waste powder, no gray background, and comparable ...