Konica Minolta bizhub c650 Service Manual page 417

5. Operations
A. Tray position detection
• Tray position detection is controlled according to the number of times the elevator tray
home position sensor is activated after the elevator tray lower limit sensor has been acti-
vated.
(1) Tray position detection operation
1. During the initial operation sequence, the elevator tray is subjected to a descent
motion until the elevator tray lower limit sensor is activated.
Elevator tray lower limit
sensor (PS13)
2. After the elevator tray lower limit sensor has been activated, the elevator tray is
subjected to an ascent motion.
3. When the elevator tray home position sensor is activated a first time after the
ascent motion of the elevator tray has been started, it is determined that the eleva-
tor tray is now located at the exit port for the 1st exit tray.
16
Theory of Operation Ver. 2.0 Aug. 2007
Elevator tray home
position sensor (PS11)
Elevator tray home position
sensor (PS11)
4349T2C514AA