Brother MFC-L2712DN - Troubleshooting Scanning Image Defect

4.12
T
rouble
shootin
g for
Scanni
ng Image Defect
4.12.1Defect examples
Fig. 2-24
4.12.2Troubleshooting accordin
g to
image defect

Light
<User Check>
•
Check t
hat the con
trast se
tting is n
ot too ligh
t.
•
Clean th
e scanner gla
ss or first sid
e/secon
d side scann
er glass str
ip.
•
Cle
an th
e doc
ume
nt ho
ld.
S
t
e
p
C
a
u
s
e
R
e
m
e
d
y
1
Incorrect white level
correction data
Execute “Acquire white level data
(Function
code 55)
”.
2
First or second side CIS unit
failure
Replace the first or second side CIS unit.
3
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
.
Light
(2-108)
Faulty registration
(2-109)
Dark
(2-109)
Completely blank
(2-110)
All black
(2-110)
Vertical streaks
(2-111)
White streaks
(2-111)
Fully tinged
(2-112)
Partially shaded
(2-112)