Paper End Detection Circuit - OKIDATA Pacemark 3410 Service Manual

Page: 22
Service Guide PM3410
Chapter 2 Principles of Operation

2.1.09 Paper End Detection Circuit

NOTE:
Paper End is also known as paper out
Whenever the release lever is in the Tractor (Continuous) Feed position, paper end is detected by the
microswitch on the push tractor ( rear feed ) or the paper end sensor on the sensor board ( bottom feed ).
Whenever the release lever is in the Friction (Sheet) Feed position, Paper End is detected by a
photosensor ( top feed ) located in the paper pressure guide.
When the printer detects an out of paper condition, the PEN (Paper End) signal goes low, the printing is
stopped and the ALARM LAMP is turned ON.
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