Brother DCP-1510 Service Manual page 69

4.4.13 White 4.4.13 White horizontal
4.4.14 4 Faint 4.4.1 Faint print
horizontal streaks streaks
<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 drum u
- - Repla Replace the toner c
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
print
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
3 3 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
1-53 1-53
after printing multiple sheets of paper
of paper.
ce the drum unit with a n nit with a new one. ew one.
ce the toner cartrid artridge with a new o ge with a new 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. 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 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.
<User Check> <User Check>
- - Check tha Check that the machin t the machine is positione
- - 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 . .
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 . .
s of paper. .
ne.
R R e e m m e e d d y y
Fig.
1-8.) .)
e is positioned on a level surfa d on a level surface.
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
ce.