Brother MFC-L2712DN - Page 44


Error code 6A00
Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected.
<User Check>
•
Slide the green ta
b of the drum unit to left and rig
ht for two to three times to c
lean the corona wire.
•
Clean t
he elec
trode of
the drum
unit. (R
efer to
Fig. 2-13 (P2-56)
.)
•
Rep
lac
e the
dru
m uni
t.

Error code 6F00
Detected that supply power is unstable. (less than 100 times)
<User Check>
•
Turn t
he power sw
itch OFF an
d then bac
k ON again
.
•
Use a no
ise fil
ter on th
e power
supply
.

Error code 7000
After the re
gistration rea
r sensor dete
cts pape
r pass, the e
ject sensor do
es not dete
ct paper p
ass.
<User Check>
•
Rem
ove t
he jam
med p
ape
r.
S
t
e
p
C
a
u
s
e
R
e
m
e
d
y
1
Dirt on the electrodes of the
machine
Clean the electrodes of the machine.
(Refer to
Fig. 2-12 (P2-56)
.)
2
Dirt on the high-voltage power
supply PCB terminal
Clean the high-voltage power supply PCB
terminal.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
4
M
a
i
n
P
C
B
f
a
i
l
u
r
e
R
e
p
l
a
c
e
t
h
e
m
a
i
n
P
C
B
A
S
S
Y
.
S
t
e
p
C
a
u
s
e
R
e
m
e
d
y
1
The power supply waveform is
incorrect
Install a voltage stabilizer in the power
supply part.
S
t
e
p
C
a
u
s
e
R
e
m
e
d
y
1
Foreign object inside the
machine
Remove the foreign object.
2
Eject actuator coming off or
caught
in some sections of the machine
Reattach the eject
actuator.
3
F
u
s
e
r
c
o
v
e
r
a
t
t
a
c
h
m
e
n
t
f
a
i
l
u
r
e
R
e
a
t
t
a
c
h
t
h
e
f
u
s
e
r
c
o
v
e
r
.
4
Connection failure of the eject
sensor PCB harness
Reconnect the eject sensor PCB harness.
5
Damaged fuser drive gear 64R/
36R
Replace the fuser drive gear 64R/36R.
6
Damaged gears in the paper
feed drive system
Replace the frame L unit.
7
E
j
e
c
t
s
e
n
s
o
r
f
a
i
l
u
r
e
R
e
p
l
a
c
e
t
h
e
e
j
e
c
t
s
e
n
s
o
r
P
C
B
A
S
S
Y
.
8
F
u
s
e
r
u
n
i
t
f
a
i
l
u
r
e
R
e
p
l
a
c
e
t
h
e
f
u
s
e
r
u
n
i
t
.
9
M
a
i
n
P
C
B
f
a
i
l
u
r
e
R
e
p
l
a
c
e
t
h
e
m
a
i
n
P
C
B
A
S
S
Y