Brother DCP-1510 Service Manual page 70

4.4.15 4.4 .15 Whi White spot
4.4.16 4.4 .16 Bla Black spot
te spots s
<User Check> <User Check>
- - Turn ON the powe Turn ON the power switch, then open the top cov
machine for a while to remove condensation. machine for a while to remove condensation.
- - Replac Replace the toner c
- - Replac Replace the drum un
- - Check if the fan is no Check if the fan is not blocked (on
- - Refer to the Us Refer to the User's Guide to
S S t t e e p p C C a a u u s s e e
Dirt on electrodes of the drum unit Dirt on electrodes of the drum unit
1 1 and those of the machine and those of the machine
Dirt on electrodes of the toner Dirt on electrodes of the toner
2 2 cartridge and those of the machine cartridge and those of the machine
High voltage power supply PCB High voltage power supply PCB
3 3
failure failure
4 4 M M a a i i n n P P C C B B f f a a i i l l u u r r e e
ck spots s
<User Check> <User Check>
- - This problem may disappear This problem may disappear after printing multiple sheet
When the machine has not been used for long periods of time, try When the machine has not been used for long periods of time, try
printing several sheets of paper. printing several sheets
- - Replac Replace the toner c
- - Replac Replace the drum un
- - Check if the fan is no Check if the fan is not blocked (on
- - Refer to the User's Guide to Refer to the User's Guide to remove the dirt from the exposure drum.
S S t t e e p p C C a a u u s s e e
Dirt on electrodes of the drum unit Dirt on electrodes of the drum unit
1 1 and those of the machine and those of the machine
Dirt on electrodes of the toner Dirt on electrodes of the toner
2 2 cartridge and those of the machine cartridge and those of the machine
3 3 Spon Sp ong g e o e of t f the he fr fram ame R
Scratch or dirt on the heat unit, or Scratch or dirt on the heat unit, or
4 4
dirt on the pressure roller dirt on the pressure roller
High voltage power supply PCB High voltage power supply PCB
5 5
failure failure
6 6 M M a a i i n n P P C C B B f f a a i i l l u u r r e e
1-54 1-54
r switch, then open the top cover er. Leave the
e the toner cartrid artridge with a new o ge with a new one.
e the drum unit with a ne it with a new one. w one.
t blocked (only for model
er's Guide to remove the dirt remove the dirt from the exp
Clean the electrodes of the drum unit and Clean the electrodes of the drum unit and
those of the machine. (Refer to those of the machine. (Refer to Fig. 1-7
Fig. 1-8 Fig. 1-8.) .)
Clean the electrodes of the toner cartridge Clean the electrodes of the toner cartridge
and those of the machine. (Refer to and those of the machine. (Refer to Fig. 1-7
and Fig. 1-8 and Fig.
Replace the high voltage power supply PCB Replace the high voltage power supply PCB
ASSY. ASSY.
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
after printing multiple sheets of paper
of paper.
e the toner cartridg artridge with a new o e with a new one.
e the drum unit with a ne it with a new one. w one.
t blocked (only for model
remove the dirt from the exposure drum.
Clean the electrodes of the drum unit and Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 1-7 those of the machine. (Refer to
Fig. Fig. 1-8 1-8.) .)
Clean the electrodes of the toner cartridge Clean the electrodes of the toner cartridge
and those of the machine. (Refer to Fig. 1-7 and those of the machine. (Refer to
and Fig. 1-8 and Fig.
e R co comi ming ng of off f R R ep epla lace ce th the s
Replace the fuser unit. Replace the fuser unit.
Replace the high voltage power supply PCB Replace the high voltage power supply PCB
ASSY. ASSY.
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
. Leave the
ne.
ly for models with fan). s with fan).
from the exposure drum. osure drum.
R R e e m m e e d d y y
Fig.
1-8.) .)
s of paper. .
ne.
ly for models with fan). s with fan).
R R e e m m e e d d y y
Fig.
1-8.) .)
e spo pong nge o e of t f the he fr fram ame R e R. .
Confidential Confidential
1-7 and and
Fig. 1-7
1-7 and and
Fig. 1-7