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Paper output sensor 0
This sensor consists of a slotted disc which is positioned between a light emitter and
a light receptor. When the paper leading edge arrives at the sensor section, causing
the disc to rotate, the light passing through the regularly spaced slots generates pulses
at fixed intervals. While the pulses are generated with specified timing, a Low level
output is maintained. However, when pulse generation intervals become longer than
specified, the output goes High.
Slot
Refer to Chapter 7, "Troubleshooting," for a list of the errors reported by the paper
transport system monitoring sensors.
Principles of Operation
5–41
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