Ricoh D124 Detailed Descriptions Manual page 75

 At the same time, the roll feed motor [1] and clutch [2] also stop.
 Then the clutch turns on again but the motor rotates counter-clockwise.
 When the motor turns in this direction, the cam shaft [3] rotates and moves the idle
roller [4] down until the paper release sensor [5] turns on.
 The feed roller and idle roller are now separated.
Detailed Descriptions 69 D124