6
.
4
P
r
i
6
.
4
P
r
i
6
.
4
.
1
B
l
a
6
.
4
.
1
B
l
a
O
u
t
O
u
Symptom
Nothing is printed
Output sheets are
completely black
n
t
Q
u
a
l
i
n
t
Q
u
a
l
i
n
k
o
r
C
o
m
n
k
o
r
C
o
m
p
u
t
t
p
u
t
Possible Cause
Two or more sheets may be feeding
at once.
The print head cartridge is old or
damaged.
The power supply is defective.
The print head cartridge is old or
damaged.
The power supply is defective.
t
y
P
r
o
b
l
t
y
P
r
o
b
l
p
l
e
t
e
l
y
B
p
l
e
t
e
l
y
B
6-7
e
m
s
e
m
s
l
a
c
k
P
a
g
l
a
c
k
P
a
g
Action
Remove the paper stack from the
tray, fan it, and reinsert it.
Replace the print head cartridge.
See 8.2.2 "Replacing the Print Head
Cartridge"
Contact your dealer or Brother
authorized service representative.
Replace the print head cartridge.
See 8.2.2 "Replacing the Print Head
Cartridge"
Contact your dealer or Brother
authorized service representative.
e
s
a
r
e
e
s
a
r
e