AR-6020V  DISASSEMBLY AND ASSEMBLY  10 – 14
(2) Paper feed clutch
1) Disconnect the harness of the paper feed  clutch  and remove
the paper feed clutch unit. 
2) Remove  the  E-rings,  the  spacers  and  the  shaft  with  the  pin.
Then, remove the paper feed clutch. 
(3) Paper feed roller
1) Rotate the pin of the paper feed shaft to fit the cut part of the
cassette tray. Then, remove the paper feed shaft unit. 
2) Remove the paper feed roller. 
(4) Separation roller
1) Remove the separation roller unit
2) Remove the E-ring, and remove the separation roller
(5) PIN sensor
1) Remove the tray
2) Remove the PIN sensor detection lever. 
3) Remove the harness, then, remove the PIN sensor.