Callout  | Item  | Callout  | Item  | 
|---|---|---|---|
[A]  | Tray Bottom Plate Pressure Lever  | [D]  | Tray Bottom Plate HP Sensor  | 
[B]  | Tray Bottom Plate Lift Sensor  | [E]  | Tray Bottom Plate Lift Lever  | 
[C]  | Lift Lever Encoder  | [F]  | Tray Bottom Plate  | 
The pressure of the tray bottom plate [F] can be adjusted depending on the amount of paper remaining.
The pulses from the lift lever encoder [C] are detected by the tray bottom plate lift sensor [B]. The tray lift motor is controlled based on the pulses from the encoder.