Mfc640Cw/Dcp340Cw - Brother MFC640CW Service Manual

MFC640CW/DCP340CW

Head PCB
Carriage PCB
CN8
Media 1
SM/xD
/MS/SD
CN7
Media 2
CF
CN24
USB
CN25
LAN
CIS unit
Main PCB
MFC640CW
CIS motor Control panel PCB
Ink cartridge PCB Maintenance ADF unit
unit
Paper
Carriage
feed
motor PF sensor
motor
PCB
WLAN PCB
CN20-2 -1
La
La
-1 CN1-2
Lb Lb MJ PCB
CN18-2 CN3-2
+30V +30V
-1
-1
RDPS EXT
CN19-2
VOUT2
Speaker
-1
VOUT1
CN11-6 -1
LEDPWR LEDPWR
-5 -2
HOOK
HOOK
Hook
-4 -3
TELSL2 TELSL2
switch
-3 -4
TELRL2 TELRL2
PCB
-2
-5
TELRL1 TELRL1
CN2-6
-1
TELSL1 TELSL1
+30V CN9-4
-3
+30V
Power supply PCB
-2
PGND
-1
PGND
Backup
battery
MFC640CW
MFC640CW
CN5
LINE
CN4
EXT
MFC640CW
CN1-6
FG
-5
FG FG
-4
TELSL2
Handset
-3
TELRL2
-2
TELRL1
-1
TELSL1
Confidential