Brother DCP-1510 Service Manual page 77

4. 4.8 8 T T ro roub
4. 4.8. 8.1 1 Fu Fuse
Note: Note:
• • Tur
4. 4.9 9 T T ro roub
4. 4.9. 9.1 1 La Lase
<User Check> <User Check>
- - Turn ON the
uble lesh shoo ootin ting f g for or Fu Fuse
ser r un unit it fa fail ilur ure e
S S t t e e p p C C a a u u s s e e
Connection failure of the center Connection failure of the center
1 1
thermistor harness of the fuser unit thermistor harness of the fuser unit
Connection failure of the side Connection failure of the side
2 2
thermistor harness thermistor harness
Connection failure of the low Connection failure of the low
3 3
voltage PCB harness voltage PCB harness
Connection failure of the heater Connection failure of the heater
4 4
harness of the fuser unit harness of the fuser unit
Low voltage power supply PCB Low voltage power supply PCB
5 5
failure failure
6 6 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
7 7 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
Turn the power swi n the power switch OFF and then ba tch OFF and then back ON again. Le
approximately 15 minutes to cool the heater. This problem may have then been solved. approximately 15 minutes to cool the heater. This problem may have then been solved.
uble lesh shoo ooti ting ng fo for L r Las
ser r un unit it fa fail ilur ure e
Turn ON the power switch, then open the top cover power switch, then open the top cover. Leave the machine for a w
remove condensation. remove condensation.
S S t t e e p p C C a a u u s s e e
Connection failure of the laser unit Connection failure of the laser unit
1 1
flat cable flat cable
Connection failure of the polygon Connection failure of the polygon
2 2
motor harness motor harness
3 3 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
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
1-61 1-61
ser U r Uni nit P t Pro robl blem ems s
Reconnect the center thermistor harness of Reconnect the center thermistor harness of
the fuser unit. the fuser unit.
Reconnect the side thermistor harness. Reconnect the side thermistor harness.
Reconnect the low voltage PCB harness. Reconnect the low voltage PCB harness.
Reconnect the heater harness of the fuser Reconnect the heater harness of the fuser
unit. unit.
Replace the low voltage power supply PCB Replace the low voltage power supply PCB
unit. unit.
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 m m a a i i n n P P C C B B A A S S S S Y Y . .
ck ON again. Leave the machi
aser er Un Unit it Pr Prob oble lems ms
Reconnect the laser unit flat cable. Reconnect the laser unit flat cable.
Reconnect the polygon motor harness. Reconnect the polygon motor harness.
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 . .
R R e e m m e e d d y y
ave the machine for ne for
. Leave the machine for a while to
R R e e m m e e d d y y
Confidential Confidential
hile to