Brother ADS-2000e, Service Manual

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4.4 Troubleshooting for Software Problems
End users can solve problems related to software, for instance, scanning is not possible from
a computer although scanning can be performed from the machine, as long as they follow
the User Check items. If the problem still cannot be solved, follow each procedure according
to the step number in the tables below.
4.4.1 Does not respond to operation from a computer
4.4.2 Cannot read data
<User Check>
- Check that the USB cable is not damaged.
- When using an interface switch, check that the correct machine is selected.
- Check the relevant section in the User's Guide.
- Check the driver setting.
- Reset the machine to the default settings. (Refer to the User's Guide.)
- Turn the power switch OFF and then ON again.
Step Cause Remedy
1 Program malfunction Reinstall the firmware.
2
Connection failure of the front cover
sensor harness Reconnect the front cover sensor harness.
3
Connection failure of the top cover
sensor harness Reconnect the top cover sensor harness.
4 Rubber key attachment failure Reattach the rubber key.
5 Front cover sensor failure Replace the front cover sensor ASSY.
6 Top cover sensor failure Replace the top cover sensor ASSY.
7 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check the relevant section in the User's Guide.
- Turn the power switch OFF and then ON again.
Step Cause Remedy
1
Connection failure of the front cover
sensor harness Reconnect the front cover sensor harness.
2
Connection failure of the top cover
sensor harness Reconnect the top cover sensor harness.
3 Front cover sensor failure Replace the front cover sensor ASSY.
4 Top cover sensor failure Replace the top cover sensor ASSY.
5
First side or second side CIS unit
failure Replace the first side or second side CIS
unit.
6 Main PCB failure Replace the main PCB ASSY.