Troubleshooting For Control Panel Problems; Nothing Is Displayed On The Led; Control Panel Is Inoperable; Troubleshooting For Network Problems - Brother ADS-3000N Service Manual

4.5

Troubleshooting for Control Panel Problems

4.5.1 Nothing is displayed on the LED

<User Check>
- Check that the AC power cord or DC plug is connected correctly.
Step
Connection failure of the panel PCB
1
harness
2 AC power cord failure
3 AC adapter failure
4 Panel PCB failure
5 Main PCB failure

4.5.2 Control panel is inoperable

Step
1 Rubber key attachment failure
Connection failure of the panel PCB
2
harness
3 Panel PCB attachment failure
4 Rubber key failure
5 Panel PCB failure
6 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.)
- Check the LAN cable.
Step
Deformed LAN terminal pin
1
Main PCB failure
Cause
Reconnect the panel PCB harness.
Replace the AC power cord.
Replace the AC adapter.
Replace the panel PCB ASSY.
Replace the main PCB ASSY.
Cause
Reattach the rubber key.
Reconnect the panel PCB harness.
Reattach the panel PCB ASSY.
Replace the rubber key.
Replace the panel PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-24
Remedy
Remedy
Remedy
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