EACH COMPONENT OF A BROTHER LASER PRODUCT IS INTEGRATED WITHIN BROTHER‎'‎S HARDWARE TO ENSURE THE QUALITY AND RELIABILITY WE STAND FOR‎.‎ ALL BROTHER CARTRIDGES ARE MANUFACTURED TO THE HIGHEST POSSIBLE STANDARDS IN CONTROLLED CLEAN ROOMS‎.‎ EACH CARTRIDGE IS RIGOROUSLY PRINT TESTED IN ORDER THAT EVERY USER CAN BE ASSURED OF THE QUALITY AND PERFORMANCE THEY EXPECT‎.‎