Function Of Each Sensor/Roller - Brother MFC Series Service Manual

2.3

Function of Each Sensor/Roller

■ Document scanning
Part Name
Document detection actuator
Document pick-up roller
Document separation roller,
ADF separation pad
Document feed roller 1
Document scanning position actuator
Document feed roller 2
■ Printing part
Part Name
Paper pull-in roller
Registration actuator
Paper feed roller
Paper ejection roller
This detects whether documents are loaded on the
document tray.
This pulls documents loaded in the document tray.
This separates documents sent through the document
pick-up roller into individual sheets.
This feeds a document to the CIS unit.
This detects the leading edge of document pages,
indicating the scanning start position.
This detects paper jamming in the ADF.
This ejects the scanned document to ADF document
ejection tray.
This feeds the recording paper from the Paper tray.
This detects the leading edge of the recording paper and
controls the print start position.
This detects the trailing edge of the recording paper and
determines the recording paper size.
This detects paper jamming in the rear.
This corrects the inclination of the recording paper when its
leading edge hits the Paper feed roller rotating backwards.
After the correction, the Paper feed roller rotates and the
recording paper is fed to the print start position.
This ejects the printed recording paper to the Paper
ejecting tray.
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Function
Function
Confidential