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3.3

CONTROL ELECTRONICS

3.3.1 Components

The following illustration shows the hardware components. The corresponding wiring diagrams
appear in
Appendix
WLAN
LAN
*1
WLAN PCB
*2
LAN I/F
5-wire in 6-wire
connector housing
Main
SDRAM
ASIC
*8
ROM
MODEM
EEPROM
Media 1
PictBridge
(xD/SD/MS
card)
USB
- Digital camera
- USB flash memory drive
5.
*3
Backup battery
PC
*4
Speaker
USB
2-wire
5-wire
5-wire
6-wire
18-wire
*8
3-wire
SDAA
2-wire
(Japan) 6-wire
(Other countries) 2-wire
5-wire
(Models with microphone) 7-wire
28-wire
4-wire
10-wire (Head 3)
12-wire (Head 1)
11-wire (Head 2)
2-wire
DC motor driver
7-wire
9-wire
Main PCB
2-wire
2-wire
4-wire
2-wire
DC motor driver
7-wire
2-wire
DC motor driver
12-wire
4-wire
Stepping motor driver
3-wire
Stepping motor driver
*13
*14
3-wire
Media 2
4-wire
(CF card)
Bluetooth
PCB
*5
Hook switch PCB
Power supply
PCB
*6
Cordless PCB
*7
Charge PCB
*8
Line
MJ PCB
External telephone
Control panel PCB Scanner cover sensor
Ink cartridge cover sensor
*10
Color LCD
*11
Touch panel relay PCB
INK JET PRINTING & PAPER FEEDING
Carriage PCB
CR encoder sensor
Paper width sensor
Head thermistor
M
Carriage motor
Ink refill ASSY
Ink cartridge detection sensor PCB
Ink cartridge detection sensors
Ink empty sensor PCB
Ink empty sensors
Casing internal temperature thermistor
Maintenance unit
Purge cam switch
Cap lift cam switch
ASF motor unit
ASF encoder sensor
ASF motor
M
PF encoder PCB
4-wire
PF encoder sensor
Registration sensor PCB
Registration sensor
3-wire
M
Paper feed motor
SCANNING
CIS unit
M
CIS motor
ADF unit
Document front sensor PCB
Document front sensor
Document rear sensor PCB
Document rear sensor
M
ADF motor
*15
3-45
*6
Antenna
AC line
Monochrome LCD
*11
Touch panel
Head/
carriage
unit
For wireless LAN-enabled models
*1
For wired LAN-enabled models
*2
For models with backup battery
*3
*4
For models with speaker
*5
For models with handset
*12
*6
For models with cordless handsets
*7
For models with charge stand
*8
For MFC only
*9
For models with monochrome LCD
For models with color LCD
*10
For models with touch panel
*11
For models with ADF
*12
For models with PhotoCapture Center
*13
For models supporting Compact Flash
*14
For Bluetooth support models
*15
(BlockDiagram_BHmini9_E)
*9
Confidential

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