Brother MFC990CW Service Manual page 519

MFC290C/250C
DCP385C/185C/165C/145C
Head
Carriage PCB
HEAD 1
HEAD 2
CN8
Media 1
MFC290C and
xD/SD
DCP385C/185C/165C only
/MS
CN10
Media 2
DCP385C only
CF
CN13
PictBridge/
USB flash
memory drive
CN28
USB
CIS
CIS unit
motor
Ink cartridge
Ink empty sensor
detection sensor
PCB PCB
HEAD 3
Main PCB
CN2-6
-5
Monochrome -4
LCD
Color LCD
-2
-1
Except DCP385C
DCP385C only
App. 5-2
MFC290C/250C only
Speaker
VDD
VSS
VREF Paper PF Regis-
Control ASF ASF
-3
Carriage
STB
feed encoder tration
panel
motor encoder
SCK motor
motor sensor sensor
DATA PCB
MFC290C/
DCP185C only
ADF
motor
CN30-3 Document
+5V
-2
MFC290C/
S0V front sensor
-1
DCP185C only
FSEN
PCB
CN29-3
Document
SLP5V
-2 MFC290C/
rear sensor
S0V
-1
DCP185C only
RSEN
PCB
MFC290C/250C only
CN1-2
La Main-MJ
-1 Line
Lb (LINE)
MJ PCB
CN23-2
Main-MJ
RDPS
-1
Ext
S0V (EXT)
CN14-5
P0V
-4
Power
P0V
-3
PSDOWN supply
-2
+31V
-1 PCB
+31V
Cap
Purge
lift
cam
cam
switch
switch
Confidential