G147 6-42 SM
6.9.8 PAPER HEIGHT DETECTION
Two paper height sensors [A] and [B], working in combination, detect the amount of paper in
the tray.
When the amount of paper decreases, the bottom plate pressure lever [C] moves up and the
actuator [D] mounted on the same drive shaft as the pressure lever rotates.
The following combinations of sensor signals are sent to the printer controller.
Amount of
Paper
Paper Height Sensor
[A]
Paper Height Sensor
[B]
Full
OFF ON
Near Full
ON ON
Near End 1
ON OFF
Near End 2
OFF OFF
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