Brother MFC-L2712DN - Page 47


Band
<How to clean the drum unit (the shape of the drum is different from the actual one)>
(1)
Remov
e the toner ca
rtridg
e from the dru
m unit. T
urn the drum u
nit as sho
wn in the
illustration. Make sure that the drum unit gear is on the left side.
Fig. 2-20
<User Check>
•
Clean
the cor
ona wi
re of t
he drum
unit.
•
Clean the co
rona wire by sli
ding the gree
n tab of the drum unit to the
left end.
•
This probl
em may disappe
ar after printi
ng multiple she
ets of paper
.
•
R
ef
er
to
<How to clean the drum unit>
to remove the dirt from the
exposure drum using a cotton
applicator.
•
Repla
ce the
drum u
nit wit
h a ne
w one.
•
Repla
ce the to
ner cart
ridge w
ith a ne
w one.
S
t
e
p
C
a
u
s
e
R
e
m
e
d
y
1
A ground wire or
ground plate
installation failure (Grounding
is not perfor
med correctly.)
Retighten the screws of each ground wire or
ground plate. Repair the bend of the tray
ground spring of the paper tray.
(Refer to
Fig. 2-18 (P2-89)
.)
2
D
i
r
t o
n t
h
e e
x
p
o
s
u
re
d
r
u
m
Pe
r
f
or
m d
r
u
m c
l
e
a
n
i
n
g
.
(Refer to
“2.1 Drum Cleaning” in Chapter 5
.)
3
L
a
s
e
r
u
n
i
t
f
a
i
l
u
r
e
R
e
p
l
a
c
e
t
h
e
l
a
s
e
r
u
n
i
t
.