Brother ADS-2600W, Service Manual

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Confidential
4.5.3 Touch panel is inoperable
4.6 Troubleshooting for Network Problems
4.6.1 Cannot scan via network connection
Step Cause Remedy
1 Key PCB attachment failure Reattach the key PCB.
2
Connection failure of the key PCB
harness Reconnect the key PCB harness.
3
Connection failure of the touch
panel sensor FPC Reconnect the touch panel sensor FPC.
4
Connection failure of the front cover
sensor harness Reconnect the front cover sensor harness.
5 Front cover sensor failure Replace the front cover sensor ASSY.
6 Key PCB failure Replace the key PCB ASSY.
7 Touch panel sensor failure Replace the touch panel sensor.
8 Power supply PCB failure Replace the power supply PCB ASSY.
9 Main PCB failure Replace the main PCB ASSY.
<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 Cause Remedy
1
Connection failure of the wireless
LAN PCB harness Reconnect the wireless LAN PCB ASSY
harness.
2 Wireless LAN PCB failure Replace the wireless LAN PCB ASSY.
3
Deformed LAN terminal pin
Main PCB failure Replace the main PCB ASSY.