5. Disconnect the CPU Fan Cable from the Formatter PCA. 6. Remove four cross-head screws from the CPU Fan and remove the CPU Fan. Removal & Installation Installation 1. When installing the new CPU Fan it is important to ensure the correct orientation of the CPU Fan. There are two manufactures of fan available: „ AAVID Fans - AAVID Labels faces outwards when it is installed correctly. „ Delta Fans - CE Label faces inwards, towards the printer when it is installed correctly. 372 Chapter 8 Removal & Installation