Brother MFC-J6510DW, Service Manual

Page: 36 / 394

2-6 Confidential
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Printing and paper feeding
Names Functions
T1 paper pull-in rollers
These rollers pull in recording paper from paper tray #1.
T2 paper pull-in rollers
These rollers pull in recording paper from paper tray #2.
Paper feed sensor actuator
This detects whether recording paper is fed from the paper tray by
detecting the leading edge of the paper for driving the intermediate
roller.
This also detects paper jams in the rear section of the machine.
Intermediate roller
This stops the leading edge of recording paper for alignment
(registration).
After registration, this roller rotates to feed the recording paper to
the paper feed roller.
Registration sensor actuator
This detects the leading and trailing edges of recording paper for
indicating the printing start position and for judging the paper size,
respectively.
In manual paper feeding, this detects whether recording paper is set
on the manual feed slot.
This also detects paper jams in the rear section of the machine.
Paper feed roller
This feeds recording paper to the printing position.
Recording paper ejection roller This feeds printed recording paper to the switchback roller.
Switchback paper detection
actuator
This detects whether printed recording paper is ejected.
In duplex printing, it detects the trailing edge of the paper after
printing on the first side to determine the reversing timing of the
switchback roller, as well as judging the paper size.
In duplex printing, it also detects whether recording paper has
passed through the DX chute or jammed in the DX chute.
This also detect paper jams in the paper ejection section.
Switchback roller
This ejects recording paper to the paper ejection tray.
In duplex printing, after feeding of recording paper printed on its
first side by the specified amount, this roller reverses to feed the
paper to the duplex print paper path.
DX roller
In duplex printing, this roller feeds paper passing through the duplex
print paper path, to the intermediate roller.