Fujitsu fi-8170

No. Name Function
1 Microphone (× 2) [fi-8190/fi-8290/
fi-8170/fi-8270]
Detects paper jam noises.
2 Brake roller (× 2) A roller that prevents more than one sheet of documents to
be fed into the ADF at once.
3 Ultrasonic sensor (× 2) A sensor which detects overlapped documents by
ultrasonic soundwave.
It detects overlapped documents by monitoring the
difference in the amount of ultrasonic waves transmitted
through the documents.
4 Document sensor (× 8) [fi-8190/
fi-8290/fi-8170/fi-8270]
A sensor which detects whether there is a document.
5 Document sensor (× 8) A sensor which detects whether there is a document.
6 Feed roller (× 4) A roller which feeds documents through the ADF.
7 Eject roller (× 4) Rollers that feed documents from the ADF onto the stacker.
8 Glass (× 2) The surface which scans documents.
9 Pick roller (× 2) A set of rollers which separates one sheet off the
documents loaded in the ADF paper chute (feeder), and
feeds the document into the ADF.
Scanner Overview
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