Covers There are five cover assemblies in this printer: G AC Access Cover, located at the left rear of the printer. G Back Cover, provides access to the High Voltage Power Supply, DC Controller, Low Voltage Power Supply, and Main Motor. G Front Cover, including front access door. G Left Lower Cover, located below the Diverter Access Door. G Top Cover, provides access to the Face-down Delivery Unit and Laser/Scanner Assembly. C4085-91087 Engine Removal and Replacement 165