Canon imageRUNNER ADVANCE C5000 Series Technical Workbook page 62

c-23) Remove the 2 screws [1] and the projection [2] to detach the fan [3].
c-24) Remove the screw [1]. Remove the rail cover (front) [2] and the spring [3] while pressing the rail
cover(front) [2] to prevent the spring from dropping inside the machine.
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