Brother MFC-T4500DW - Parts Names and Functions

Confidential
2-6
2.3 Parts Names and Functions
■ Document scanning and feeding
■ Printing and paper feeding
Parts Names Functions
ADF document detection
actuator
This detects whether documents are set on the
document tray.
ADF document width actuator Identify the document size.
Document pick-up roller
This pulls documents loaded in the document tray into
the ADF.
Document separation roller
ADF separation pad
This separates documents sent by the document
pick-up roller in single sheet.
Document feed roller 1, 2 This feeds a document to the CIS unit.
Document scanning position
actuator
This detects the leading edge and the ending edge
of the document, adjusting the scanning position
on the first side and second side.
This detects paper jamming in the ADF.
Document ejection roller This ejects the scanned document to the document
ejection tray.
Parts Names Functions
T1/T2 paper pull-in roller This feeds the recording paper from the paper tray
#1#2 to the paper feed roller.
After the registration actuator detects the leading
edge of the paper, it pushes the recording paper
against the reverse-rotating or stopped paper feed
roller, and correct inclination of the paper.
Registration actuator This detects the leading edge of recording paper,
controlling the printing start position.
This detect the leading edge/ending edge of
recording paper, identifying the recording paper
size.
This detects paper jamming in the rear.
Paper feed roller This reverses the rotation or stops when correcting
inclination of the paper with the T1/T2 paper pull-in
roller, the duplex paper feed roller and the
intermediate roller.
It feeds the recording paper to the printing start
position after correction.
Paper ejection roller This feeds printed recording paper to the
switchback roller.