Oki ES3640MFP Component Replacement Manual page 39

6. Remove the Feed Roller Paper Guide to provide space to remove the rollers.
7. Remove the Feed and Retard Rollers by releasing the hook and sliding the roller off the shaft.
Replacement Note:
Match each replacement roller to the one being removed. All three rollers are unique.
Tray 1 Paper Feed Unit
Note
If optional Hi Cap Feeder is installed, either remove the printer from the HCF or place a ream of paper, or similar
object, to hold the printer above the HCF to provide sufficient clearance to remove 4 screws and pull the Tray 1
Feeder from the frame.
1.
Remove Tray 1.
2.
Remove the Right Side Cover.
3. Remove the Right Rear Cover.
4.
Remove the Rear Cover.
5.
Remove the MPT Tray.
6. Remove Right Lower Door.
7.
Remove the Card Cage Fan Duct.
8.
Unplug connectors on the Motor Driver Board.
9. Remove 12 (metal, 10 and 6 mm) screws to remove the Tray 1 Feed Unit.