Control Electronics; Configuration - Brother MFC4820C Service Manual

4.3 CONTROL ELECTRONICS

4.3.1 Configuration

The hardware configuration of the facsimile machine is shown below. The wiring diagram is given
in Appendix 6.
Microphone/Headphone*
Control panel
Control panel PCB
Scanner/ink slot cover
open sensor
SCANNING
CIS unit
CIS travel motor
AC line
Driver PCB
DC motor driver
Stepping motor driver
Line
NCU PCB
External telephone
Compact Flash
Media PCB
SmartMedia
Memory Stick
USB PCB
PC
Handset* Modular
PCB*
Hook
switch*
Speaker
Backup
battery*
Power supply
PCB
Driver flat cables
EEPROM
Configuration of Facsimile Machine
SDRAM
8/16MB
Head flat
cables
Print head PCB
Print head
Print head
Carriage motor
ASF
ASF switch
Sensor PCB
(Registration sensor)
ASF motor
Purge unit
Purge motor
Purge HP switch
Air pump & motor module
Air pump motor
Pump motor encoder
Paper feed motor
4 -3 4
Main PCB
ROM
4/8 MB
MODEM
SUB GA
ASIC
Paper width
Ink cartridge
sensor
sensor PCB
CR encoder
Ink cartridge
sensors
INK JET PRINTING
PF encoder
& PAPER FEEDING
* Not provided on the MFC4420C.