Main motor (M4) This motor is located to the right of the controller board, behind the formatter pan. 1 Remove the rear cover (see page 243). 2 Remove the formatter board and formatter pan (see page 254 and page 272). 3 Unplug one connector. 4 Remove four screws (callout 1), and pull the motor away from the chassis. 21 Figure 132. Main motor EN Rear assemblies 281