The Xerox 109R00783 Maintenance Kit is for use in your phaser printer.The maintenance kit is a cleaning unit designed to apply silicon oil to the rotating drum in order to ensure that ink is transferred smoothly to each page.Extend the life of your Xerox Phaser colour printer while improving its printing quality. . Duty Cycle: Approx. 30,000 pages @ 5% average coverage. Designed For ColorQube 8570, 8570DN, 8570DT, 8570N, 8870DNPlease note this product is delivered direct from our supplier and may take a little longer to arrive