Block Diagram - Brother MFC-J2320 Service Manual

2.4

Block Diagram

ADF unit
ADF cover sensor
Second side document scanning position sensor PCB
Document detection sensor PCB
First side document scanning position sensor PCB
Sensor relay PCB
Scanner cover sensor
PF encoder PCB
Switchback sensor
Paper tray 2 detection sensor
MP paper detection sensor
Registration sensor PCB
Purge cam sensor
Engine
Power
supply PCB
AC line
Second side CIS unit First side CIS unit
AFE / LED AFE / LED
driver driver
Motor
Combo IC
(Saffron)
USB
Host
SD /
USB
MSduo
Control panel
Wireless LAN
Fig. 2-5
Scanner unit
Main PCB
EEPROM
DDR3
LAN
(MAC)
ASIC
SPI
Backup
ROM
ROM
LCD PCB
Key PCB
Touch
Color
Power
LCD panel
Electrostatic Electrostatic
switch
IC IC
2-8
PC
USB
Ethernet
LAN
Head/carriage unit
Head unit
Head thermistor
Speaker
AMP
Carriage PCB
CR encoder sensor
Paper width sensor
Modem PCB
Modem SDAA
Ink cover sensor
Certification Chip PCB
Ink remaining sensor PCB
Ink cartridge PCB
Cartridge sensor
Casing internal thermistor
Ink refill unit
Tel line
Ext Tel line
Confidential