Touch Panel Is Inoperable; Troubleshooting For Network Problems; Cannot Scan Via Network Connection - Brother ADS-2600W Service Manual

4.5.3 Touch panel is inoperable

Step
1 Key PCB attachment failure
Connection failure of the key PCB
2
harness
Connection failure of the touch
3
panel sensor FPC
Connection failure of the front cover
4
sensor harness
5 Front cover sensor failure
6 Key PCB failure
7 Touch panel sensor failure
8 Power supply PCB failure
9 Main PCB failure
4.6

Troubleshooting for Network Problems

4.6.1 Cannot scan via network connection

<User Check>
- Check the relevant section in the Network Setting Guide.
- Check the network connection.
- Reset the network. (Refer to the User's Guide.)
Step
Connection failure of the wireless
1
LAN PCB harness
2 Wireless LAN PCB failure
Deformed LAN terminal pin
3
Main PCB failure
Cause
Reattach the key PCB.
Reconnect the key PCB harness.
Reconnect the touch panel sensor FPC.
Reconnect the front cover sensor harness.
Replace the front cover sensor ASSY.
Replace the key PCB ASSY.
Replace the touch panel sensor.
Replace the power supply PCB ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the wireless LAN PCB ASSY
harness.
Replace the wireless LAN PCB ASSY.
Replace the main PCB ASSY.
2-35
Remedy
Remedy
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