6-39 Confidential
(2) Disconnect the following harnesses and flat cables from the main PCB.
CAUTION: Do not remove the screws from the main PCB before disconnecting harnesses and
flat cables.
- Purge cam switch harness (2-wire)
- Ink cartridge sensor harness (9-wire)
- Power supply harness (4-wire)
- PF encoder/registration sensor harness (7-wire)
- Paper feed motor harness (2-wire)
- Carriage motor harness (2-wire)
- Main-MJ (EXT) harness (2-wire in black)
- Main-MJ (LINE) harness (2-wire in blue)
- Head flat cable 1 (14-wire)
- Head flat cable 2 (13-wire)
- Head flat cable 3 (12-wire)
- Hook switch harness
*
1
(6-wire)
- Charge harness*
2
(2-wire)
*
1
For models with handset
*
2
For models with cordless handset
(3) Release the main-MJ (EXT) harness and main-MJ (LINE) harness from the cable guides
provided on the SDAA enclosure.
îš„ Models with color LCD
Main PCB
Power supply harness
(4-wire)
Carriage motor harness
(2-wire)
Paper feed motor harness
(2-wire)
PF encoder/registration
sensor harness
(7-wire)
(WLAN PCB harness)
(4-wire in 6-wire connector
housing)
Hook switch harness (6-wire)
(Battery harness)
(4-wire)
For debugging at the factory.
Do not disturb it.
(LCD flat cable)
(28-wire)
(18-wire)
Ink cartridge senso
harness
(9-wire)
Purge cam switch
harness
(2-wire)
(LAN interface)
(CIS flat cable)
(12-wire)
Head flat cable 1
(14-wire)
Head flat cable 2
(13-wire)
Head flat cable 3
(12-wire)
(CIS motor harness)
(4-wire)
(USB interface)
For debugging at the factory.
Do not disturb it.
(6_34_1_e)
(Speaker harness)
(2-wire)
(Cordless flat cable)
(18-wire)
Main-MJ (EXT) harness
(2-wire in black)
Main-MJ (LINE)
harness
(2-wire in blue)
(ADF motor harness)
(4-wire)
(Document rear
sensor harness)
(3-wire)
(Document front
sensor harness)
(3-wire)
*
2
*
1
*
3
*
9
*
8
(Panel-main harness)
(7-wire , 5-wire )
*
6
*
7
*
5
*
4
Charge harness (2-wire)
*
2
*
1
For wired LAN-enabled models
*
2
For models with cordless handset
*
3
For models with 4.2-/3.3-inch wide color LCD
*
4
For models with 2.0-inch color LCD
*
5
For models with backup battery
*
6
For models with TAD
*
7
For models without TAD
*
8
For wireless LAN-enabled models
*
9
For models with handset