The compatible black toner powder contained within this recycled Epson C13S050087 has been formulated to fuse and intermingle with both the original and the majority of other cartridges on the market. As a result, prints from the remanufactured Epson S050087 are low on wastage and look great too!Our manufacturers go to great lengths to reuse much of the genuine Epson C13S050087 toner cartridge, thus ensuring that your machine can use it problem free. We appreciate that some may have reservations about buying an alternative to the original Epson S050087 at such a low price, so we offer a 100% satisfaction guarantee with this monochromatic toner cartridge.