Jam Sensing - Ricoh M5 Service Manual

3. Jam Sensing

o
Paper Feed Sensor
Exit Sensor
The paper feed sensor and the exit sensor monitor the movement of the copy through the paper
path. If the CPU determines that a jam condition exits, it displays either the Check Paper Path or
Check Cassette indicator depending on the location of the jam.
When the main switch is turned on, the CPU checks the paper feed sensor and exit sensor for an
During the copy cycle, the CPU checks three times for jams. The paper feed sensor
initial jam.
should be on before the 146th pulse.
by the 544th pulse.
I
The exit sensor should be off before the 150th pulse and on
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May, 25, 1985