Oki ES3640MFP Component Replacement Manual page 41

Tray 1 Registration Clutch
1.
Remove the Tray 1 Paper Feed Unit.
2. Remove the E-clip that secures the clutch to the Registration Roller.
3.
While holding the anti-rattle spring, remove the clutch from the roller shaft.
Right Lower Door Detect Sensor
The Right Lower Door Detect Sensor is mounted on a carrier located beneath the Registration Rollers near
the clutch.
Caution: Use care when removing the roller shaft bearings. The bearings use a small clip to lock into a notch
near the end of each roller shaft. Use a small, flat-bladed screwdriver to release the clip from the shaft before
attempting to remove the bearing.
1.
Remove the Tray 1 Paper Feed Unit.
2. Remove the Registration Clutch.
3.
Remove the 2 springs that tension the Registration Rollers.
4.
Remove the bearings at each end of the rubber roller, and then remove the roller.