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EPL-N2700 Revision A
Operating Principles Printer Mechanism Operating Principles 64
Cassette 1 Right Door Detecting Sensor (PC23)
This sensor detects whether the Cassette 1 right door is closed or
not. The sensor uses a photointerrupter. The right door is normally
closed except when removing jammed paper.
When the right door is closed:
The projection of the side door engages with the
photointerrupter of the Cassette 1. Thus, the output of the
photointerrupter is “H”.
When the right door is opened:
The projection of the side door comes off the photointerrupter.
Thus, the output of the photointerrupter is “L”.
Figure 2-16. Cassette 1 Right Door Detecting Sensor
Cassette 1 Right Door Detecting Sensor (PC23)
Light passes:
Output = L
Right Door
Light is blocked:
Output = H
[Side door is closed.]
[Side door is open]
Right Door