This valuepack contains one each of our remanufactured Konica Minolta TN512 black, cyan, magenta and yellow toner cartridges.The cylindrical design of the Konica Minolta TN512 makes it an ideal candidate for remanufacturing and the results are great. The few internal components in the Konica Minolta TN512 mean very little has to be replaced, and when it does the compatible components work just as well.In addition to the above, our manufacturers have gone to great lengths to produce a compatible toner powder that gives great quality prints for the estimated page yield of the cartridge. Compatible with the Konica Minolta Bizhub C454 and all other printers listed on this page, we strongly recommend the remanufactured Konica Minolta TN512 toner cartridges.