Brother DCP-1510 Service Manual page 67

4. 4.4. 4.9 9 V V er erti tica
Note: Note:
• • If the machin
4.4.10 Black ver 4.4.10 Black vertical streaks
cal l st stre reak aks s
S S t t e e p p C C a a u u s s e e
Attachment failure of the FG Attachment failure of the FG
1 1 harness or FG plate (not grounded harness or FG plate (not grounded
correctly) correctly)
2 2 S S c c r r a a t t c c h h o o r r d d i i r r t t o o n n t t h h e e h h e e a a t t u u n n i i t t
If the machine prints e prints the same p the same pattern continuously
vertical streaks, black vertical streaks may appear on the paper because the vertical streaks, black vertical streaks may appear on the paper because the
electrostatic performance of the exposure drum has lowered temporarily. electrostatic performance of the exposure drum has lowered temporarily.
tical streaks on a light back on a light background
<User Check> <User Check>
- - Clean the in Clean the inside of the mach
unit. unit.
- - 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
1 1 D D i i r r t t o o n n p p a a p p e e r r f f e e e e d d s s y y s s t t e e m m
2 2 S S c c r r a a t t c c h h o o r r d d i i r r t t o o n n t t h h e e h h e e a a t t u u n n i i t t
3 3 F F o o r r e e i i g g n n o o b b j j e e c c t t i i n n t t h h e e l l a a s s e e r r u u n n i i t t
1-51 1-51
<User Check> <User Check>
- - Clean the ins Clean the inside of the machi ide of the machine and the coro
the drum unit. the drum unit.
- - Re Retu turn th rn the co e coro rona w na wir ire cl
- - This probl This problem may disappear af em may disappear after printin
sheets of paper. sheets of paper.
- - Replac Replace the dru e the drum unit w m unit with a new
- - Replac Replace the toner c e the toner cartridg
Retighten the screws to secure the FG Retighten the screws to secure the FG
harness or FG plate. harness or FG plate.
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 . .
attern continuously, especially
ground
side of the machine and the coro ine and the corona wire of the drum
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.
W W i i p p e e o o f f f f t t h h e e d d i i r r t t . .
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 . .
ne and the corona wire of na wire of
e clean eaning t ing tab t ab to th o the " e "
ter printing multiple g multiple
ith a new one. one.
artridge with a new on e with a new one. e.
R R e e m m e e d d y y
, especially a pattern a pattern including including
na wire of the drum
ne.
R R e e m m e e d d y y
Confidential Confidential
" posit itio ion. n. " pos