3-96 Service Manual
5058-030
• Sensor (booklet drawer interlock)
– This photo sensor detects when the booklet unit is set.
• Sensor (booklet bin media present)
– This photo sensor detects paper availability on the booklet media bin. If 15 sets of printouts are detected
in the booklet media bin, it will be considered as Full Stack.
Booklet media bin
Operation
The upper media bin contains the sensor (upper media bin full) to detect the media stack volume in the upper
media bin.
Once the sensor detects a full stack (500 sheets) in the upper media bin, ejection of media to the upper media
bin is inhibited until a full stack is reset.
Functions of upper media bin sensors
• Sensor (upper media exit)
– A photo-interrupter sensor that detects that media has come to the upper media exit roll assembly top at
the exit of the upper media bin.
– When media reaches the upper media exit roll assembly top, the actuator leaves the sensing area, which
turns the sensor to high (+5 V dc).
• Sensor (upper media bin full)
– A photo-reflective sensor that detects the media stack volume in the upper media bin.
– It turns high (+5 V dc) when it detects a full stack.
Stacker media bin
The stacker media bin goes up and down to an appropriate position according to the volume of media fed from
the compiler unit assembly so as to properly stack media to a full stack.
Booklet bin drive motor
Sensor (booklet bin
media present)
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