Brother MFC-L2712DN - Page 30

2.3
Oper
atio
n o
f Ea
ch P
art
and
Loc
atio
n of
Par
ts
P
a
r
t
n
a
m
e
O
p
e
r
a
t
i
o
n
Paper pick up roller
Feeds the paper to the separation roller from the paper tray.
Separation roller,
Separation pad
Separates paper fed from the paper tray into single sheets.
Paper feed actuator
(Paper feed sensor)
Detects paper trays (open / closed).
Detects paper jams in paper trays.
Determines whether paper is fed from the paper tray.
Registration front actuator
(Registration front sensor)
Detects the front edge of the paper to control the
registration roller drive.
Detects paper jams in the front section of the machine.
Determines whether paper is fed from the paper tray.
R
e
g
i
s
t
r
a
t
i
o
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r
C
o
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t
w
h
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n
t
h
e
p
a
p
e
r
m
a
k
e
s
contact with the stopped registration
roller. After the
correction, it rotates to feed the paper to the process.
Registration rear actuator
(Registration rear sensor)
Detects paper pass and adjusts the writing start position for
the paper.
Detects paper jams in the front or center section of the
machine.
Detects the rear edge of the paper to determine the paper
size.
Heat roller,
Pressure roller
Fuses the toner transferred to paper by heat and pressure,
and feeds paper to the eject roller 1.
Eject actuator
(Eject sensor)
Detect whether or not paper is ejected from the fuser unit.
In the case of the 2-sided printing, detect the rear edge of
paper and adjust the timing of the eject roller 2 switching.
Detects paper jam in the rear section of the machine.
Detects open fuser
cover.
E
j
e
c
t
r
o
l
l
e
r
1
F
e
e
d
s
t
h
e
p
a
p
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r
e
j
e
c
t
e
d
f
r
o
m
t
h
e
f
u
s
e
r
u
n
i
t
t
o
e
j
e
c
t
r
o
l
l
e
r
2
.
E
j
e
c
t
r
o
l
l
e
r
2
E
j
e
c
t
t
h
e
p
a
p
e
r
t
o
t
h
e
f
a
c
e
-
d
o
w
n
o
u
t
p
u
t
t
r
a
y
.
I
n
t
h
e
c
a
s
e
o
f
the 2-sided printing, after the front of the sheet is printed
and the paper is fed up to a certain point, eject roller 2
rotates conversely, and the paper is fed to the duplex
tray.
Du
pl
ex
p
ap
er
fe
ed
ro
ll
er
Fe
ed
s t
he
p
ap
er
p
as
s
in
g t
hr
ou
gh
th
e d
up
le
x t
ra
y t
o t
he
registration roller.
Back c
ove
r/d
upl
ex tra
y sen
sor
Det
ect
s ope
n / clo
sed ba
ck co
ver o
r the du
ple
x tra
y is se
t.
F
r
o
n
t
c
o
v
e
r
s
e
n
s
o
r
D
e
t
e
c
t
s
o
p
e
n
/
c
l
o
s
e
d
f
r
o
n
t
c
o
v
e
r
.
P
a
p
e
r
e
m
p
t
y
a
c
t
u
a
t
o
r
D
e
t
e
c
t
s
t
h
e
p
a
p
e
r
i
n
t
h
e
p
a
p
e
r
t
r
a
y
1
.
Detects paper jams in the paper tray 1.
MP
p
ap
er
pi
ck
-u
p
ro
ll
er
Fe
ed
s
p
ap
er
fr
om
th
e
MP
tr
ay
to
th
e
MP
se
p
ar
at
io
n
ro
ll
er
.
MP separation roller,
MP separation pad
Separates the paper fed from the MP tray into single
sheets.
MP paper empty actuator
(MP paper empty sensor)
Detects the paper in the MP tray.
Detects paper jams in the MP tray.
D
o
c
u
m
e
n
t
p
i
c
k
-
u
p
r
o
l
l
e
r
F
e
e
d
s
d
oc
u
m
e
n
t
fr
o
m
t
h
e
d
o
c
u
m
e
n
t
t
r
a
y
.
Document separate roller,
ADF separation pad
Separates the document fed from the document tray into
single sheets.
Document detection actuator
(Document detection sensor)
Detects whether a document is set in the ADF.
Document scanning position
actuator
(Document scanning position
sensor)
Detects the document scanning start position.
Detects a document
jam in the
ADF
.
D
o
c
u
m
e
n
t
e
j
e
c
t
r
o
l
l
e
r
F
e
e
d
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e
d
o
c
u
m
e
n
t
t
o
t
h
e
o
u
t
p
u
t
t
r
a
y
.
ADF cover sensor
Detects open / closed ADF cover.