Oki ES3640MFP Component Replacement Manual page 40

Tray 1 Paper Registration Motor
1.
Remove the Tray 1 Paper Feed Unit.
2. Release the motor harness from the clamp.
3.
Disconnect the Registration Motor connector from the harness.
4.
Remove 2 (metal, 6 mm) screws that secure the Registration Motor to the Feeder.
Tray 1 Paper Feed Motor
1.
Remove the Tray 1 Paper Feed Unit.
2. Release the motor harness from the clamp.
3.
Disconnect the Feed Motor connector from the harness.
4.
Remove 2 (metal, 6 mm) screws that secure the Feed Motor to the Feeder.
Tray 1 Paper Lift Motor
1. Remove Tray 1.
2.
Open the Top Cover.
3.
Remove the Right Rear Cover.
4. Remove the Card Cage Fan Duct.
5.
Remove the LVPS.
6.
Disconnect the Lift Motor connector from the Motor Driver Board.
7. Remove the 2 (metal, 6 mm) screws that secure the Lift Motor to the frame.