Brother DCP-1510 Service Manual page 65

4. 4.4. 4.5 5 Co Comp
4. 4.4. 4.6 6 Im Imag
mple lete tely ly bl blan ank k
<User Check> <User Check>
- - Clean t Clean the corona w
- - 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 dirt and those of the machine, and dirt
on ground wire. on ground wire.
2 2 L L a a s s e e r r u u n n i i t t a a t t t t a a c c h h m m e e n n t t f f a a i i l l u u r r e e
Connection failure of the laser unit Connection failure of the laser unit
3 3
flat cable flat cable
Connection failure of the high Connection failure of the high
4 4
voltage PCB flat cable voltage PCB flat cable
Disconnection of the laser unit flat Disconnection of the laser unit flat
5 5
cable cable
6 6 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
High voltage power supply PCB High voltage power supply PCB
7 7
failure failure
8 8 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
age dis e disto tort rtio ion n
S S t t e e p p C C a a u u s s e e
La Lase ser r un unit it at atta tach chme ment nt fa fail ilur ure e
1 1
Dirt on high-voltage electrodes and Dirt on high-voltage electrodes and
2 2
electrodes of the machine electrodes of the machine
Laser unit FG plate attachment Laser unit FG plate attachment
3 3
failure (not grounded correctly) failure (not grounded correctly)
4 4 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
5 5 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
1-49 1-49
he corona wire of the dr ire of the drum unit. um unit.
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, and the grounding those of the machine, and the grounding
wire. (Refer to Fig. 1-7 wire. (Refer to
R R e e a a t t t t a a c c h h t t h h e e l l a a s s e e r r u u n n i i t t . .
Reconnect the laser unit flat cable. Reconnect the laser unit flat cable.
Reconnect the high voltage PCB flat cable. Reconnect the high voltage PCB flat cable.
Replace the laser unit flat cable. Replace the laser unit flat cable.
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 . .
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 . .
Re Reat atta tach ch th the e la lase
the screws. the screws.
Clean the high-voltage electrodes and Clean the high-voltage electrodes and
electrodes of the machine. electrodes of the machine.
Retighten the screws to secure the laser unit Retighten the screws to secure the laser unit
FG plate. FG plate.
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 . .
Confidential Confidential
ne.
R R e e m m e e d d y y
Fig. 1-7 and and Fig. 1-8 Fig. 1-8.) .)
R R e e m m e e d d y y
ser r un unit it, , an and d fi firm rmly ly ti tigh ghte ten n