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There is a paper detection sensor and it detects the tray is empty and stops the feeding when
the paper has run out.
There is not any other paper size detection sensor so the user directly specify the paper size in
the printer driver. If the paper size set in the printer driver and the paper size loaded in the tray
are different, the paper jam is to occur.
Detecting No Paper on MPT
If MPT is loaded, the sensor flag pressed by the paper can detect the paper presence in the
tray. If MPT is empty, the sensor flag assembled in the lower body assy return to home
position by the torsion spring and blocks the path of the light emitted from the emitter, and
accordingly the output values from the sensor vary . The machine detects the presence of
the paper from the variation of the output values.
Detecting Paper Jam
If the input sensor is not on within a certain period of time after the MPT pickup roller makes
one rotation, the pickup roller rotates three more times. If the input sensor is not still on
although the pickup roller rotates three more times, the machine shows a message as a
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