Brother MFC990CW Service Manual page 286

For 100 V series
Main-MJ (EXT)
harness (black) *
Main-MJ (LINE)
harness (yellow) *
PS PCB insulator
Power supply PCB
Power supply harness
For 200 V series
Main-MJ (EXT)
harness (black) *
Main-MJ (LINE)
harness (yellow) *
Cable guide on the
PS insulator 200 V
MJ PCB insulator *
Power supply PCB
Power supply harness
Top view
Top view
MJ PCB *
6-102
Ferrite core
Cable guides
Power supply
shield
Power cord
Route the power cord
under this tab.
Ferrite core
Cable guides on the
AC cord holder
Power cord
Route the power cord
under this tab.
* For MFC only
Power supply
harness
(6_51_2)
Confidential