Brother ImageCenter ADS-2800W, Service Manual

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Confidential
4.7 Troubleshooting for Other Problems
4.7.1 Machine does not turn ON
4.7.2 Cannot update firmware
4.7.3 Cannot save data in USB flash memory
4.7.4 USB device connection error
<User Check>
- Check that the power cord or DC plug is connected to the host correctly.
Step Cause Remedy
1
Connection failure of the panel PCB
harness Reconnect the panel PCB harness.
2 Power cord failure Replace the power cord.
3 AC adapter failure Replace the AC adapter.
4 Panel PCB failure Replace the panel PCB ASSY.
5 Panel unit failure Replace the panel unit.
6 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Make sure that there is no other function running.
Step Cause Remedy
1
Firmware version does not match Install the latest version firmware. (Refer to
"1.1" in Chapter 4 .)
2 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that the USB flash memory is inserted into the USB terminal correctly.
- Replace the USB flash memory and try saving data again.
- Check that the USB flash memory is not write-protected.
Step Cause Remedy
1
Connection failure of the USB host
PCB harness Reconnect the USB host PCB harness.
2 Panel PCB failure Replace the panel PCB ASSY.
3 USB host PCB failure Replace the USB host PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that the connected USB device is supported.
- Replace the USB flash memory and try again.
Step Cause Remedy
1
Connection failure of the USB host
PCB harness Reconnect the USB host PCB harness.
2 USB host PCB failure Replace the USB host PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.