OKIDATA Pacemark 3410 Service Manual page 47

Continuous (Rear) Feed Paper-End
When the Release Lever is in the TRACTOR FEED Position, the switch on the left Push Tractor and the
Paper-End sensor on the sensor board are active. If paper is detected by either of these sensors,
Paper-End is inhibited.
When rear feed paper is installed, pressure is placed on the microswitch, located in the left push tractor.
Since the switch is turned ON, paper is detected.
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