Oki ES3640MFP Component Replacement Manual page 13

1.3 Solenoids and Clutches
A number of solenoids and clutches are used to actuate various gates and rollers. The figure
below shows the position of all the solenoids and clutches in the Print Engine.
Registration Clutch 1
Exit Gate Solenoid
Duplex Gate Solenoid
Registration Clutch 2
Registration Shutter Solenoid
***** Use the "Motor Clutch Test" in chapter 2 to test Solenoid - Clutch operation*****