Transfer Unit Fan; Top Cover Fan - Oki ES3640MFP Component Replacement Manual

Transfer Unit Fan

The Transfer Unit Fan is located directly behind the Cyan Imaging Unit Motor.
1.
Remove the Rear Cover.
2.
Remove the Right Rear Cover.
3. Remove the Card Cage Fan Duct.
4.
Remove the Card Cage.
5.
Remove 2 (metal, 6 mm) screws that secure the Cyan Imaging Unit Motor.
6.
Remove 2 (metal, 23 mm) screws with washers that secure the Transfer Unit Fan to the frame.
7.
Release the fan wiring from the clamp.
8. Disconnect the fan from the Motor Driver Board.

Top Cover Fan

The Top Cover Fan is mounted in a duct located underneath the Cyan LED Head.
1. Remove the Job Offset Assembly.
2.
Remove the Job Offset Motor harness from the Upper Fuser Fan Duct and Top Output Chute.
3.
Release the 4 hooks that secure the Top Output Chute to remove it from the LED Assembly.
4.
Release the Top Cover Fan wiring (Red, Black and White) from the guides in the LED Relay Board cover.
5. Release the 1 hook at the back, and 2 tabs at the front that secure the Top Cover Fan Duct to the LED Assembly.