This Rainbow Pack of Oki Drum Units contains 1 Black 42918108, 1 Cyan 42918107, 1 Magenta 42918106 and 1 Yellow 42918105. Designed to work in a range of Oki Printers such as the C9600, these Drum Units have been sourced from some of the best remanufacturers around, who ensure that the 42918108 / 42918107 / 42918106 / 42918105 Drum Units are up to the highest standards. The role of the 42918108 / 42918107 / 42918106 / 42918105 Drum Units is to transfer the toner powder from the toner cartridges onto the page. Having a separate drum unit, allows extended use, which stand alone cartridges which include the drum unit do not offer. These Oki Black 42918108, Cyan 42918107, Magenta 42918106 and Yellow 42918105 Drum Units are designed to print a total of 30,000 pages each in their lifetime, providing the same number of pages as the original Oki drum units and offering comparable quality for just a fraction of the price, for any of the printers listed above. Our Remanufactured Oki 42918108 / 42918107 / 42918106 / 42918105 Drum Units for this range of OKI Printers are amongst the lowest priced on the Internet and carry a 100% satisfaction guarantee. All our prices include VAT and delivery so the price you see is the price you pay.