Ensure that your Brother printer continues to deliver exceptional results by choosing the TN-135M toner cartridge. As a high-yield cartridge, the TN-135M lasts longer than a standard cartridge but offers the same excellent quality of results. Only the genuine TN-135M cartridge guarantees that your device will continue to operate quickly and efficiently. Using Brother cartridges is the only way to ensure that your printer will perform at its best and that any warranty remains valid.