Parts Names And Functions - Brother MFC-J3520 Service Manual

2.3

Parts Names and Functions

Document scanning and feeding

Names
Document detection actuator
Document width actuator
Document pick-up roller
Document separation roller/
ADF separation pad
Document feed roller1
Document feed roller2
Second side document
scanning position actuator
First side document
scanning position actuator
Document ejection roller
This detects whether documents are set on the document tray.
This detects the width of the documents set on the document
tray.
This pulls documents loaded in the document tray into the ADF.
This separates documents sent by the document pick-up roller
in single sheet.
This feeds a document to the second side CIS unit.
This feeds a document to the first side CIS unit.
This detects the leading edge of document pages, indicating
the scanning start position of the second side.
(Only in the case of duplex scanning)
This detects paper jamming in the ADF.
This detects the leading edge of document pages, indicating
the scanning start position of the first side.
This detects paper jamming in the ADF.
This ejects the document of which the first side is scanned to
document cover.
2-6
Functions
Confidential