Brother DCP-1510 Service Manual page 71

4.4.17 7 Blac 4.4.1 Black k band
4.4.18 8 Downw 4.4.1 Downward foggi
4.4.19 9 Horiz 4.4.1 Horizont
band
<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 printing several sheets of paper.
- - Repla Replace the toner c
- - Repla Replace the drum u
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
Scratch or dirt on the heat unit or, Scratch or dirt on the heat unit or,
3 3
dirt on the pressure roller dirt on the pressure roller
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
ard fogging of solid color ng of solid color
<User Check> <User Check>
- - Replac Replace the toner c
- - Repla Replace the drum un
S S t t e e p p C C a a u u s s e e
High voltage power supply PCB High voltage power supply PCB
1 1
failure failure
2 2 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
ontal lines al lines
S S t t e e p p C C a a u u s s e e
1 1 F F u u s s e e r r u u n n i i t t f f a a i i l l u u r r e e
2 2 L L a a s s e e r r u u n n i i t t f f a a i i l l u u r r e e
1-55 1-55
after printing multiple sheets of paper
of paper.
ce the toner cartrid artridge with a new o ge with a new one.
ce the drum unit with a n nit with a new one. ew one.
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 fuser unit. Replace the fuser unit.
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 . .
e the toner cartrid artridge with a new o ge with a new one.
ce the drum unit with a new it with a new one.
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 . .
<User Check> <User Check>
- - Replac Replace the toner c e the toner cartridg
- - Replac Replace the dru e the drum unit w m unit with a new
R R e e p p l l a a c c e e t t h h e e f f u u s s e e r r u u n n i i t t . .
R R e e p p l l a a c c e e t t h h e e l l a a s s e e r r u u n n i i t t . .
s of paper. .
ne.
R R e e m m e e d d y y
Fig.
1-8.) .)
ne.
one.
R R e e m m e e d d y y
artridge with a new o e with a new one. ne.
ith a new one. one.
R R e e m m e e d d y y
Confidential Confidential
1-7 and and
Fig. 1-7