The genuine yellow Oki 44315105 image drum is an integral part of your laser printer that determines image quality. Officially designed by Oki, the yellow Oki 44315105 image drum functions as an individual colour drum cartridge in order to print high resolution images at rapid print speeds. Replacing your Oki 44135105 drum unit as a separate colour maximises drum life and increases efficiency. If your existing Oki drum has reached its end of life, or is performing inconsistently, you can install this high performance Oki 44315105 printer drum in order to refresh your imaging system. Durable and innovative Oki supplies work in harmony with your printer and the yellow Oki 44315105 drum gives you professional quality colour graphics that will last for approximately 20,000 pages.