Troubleshooting For Software Problems; Does Not Respond To Operation From A Computer; Cannot Read Data - Brother ADS-3000N Service Manual

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

<User Check>
- Check that the USB cable or LAN 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 settings.
- Reset the machine to the default settings. (Refer to the User's Guide.)
Step
Program malfunction
1
Connection failure of the front cover
2
sensor harness
3 Rubber key attachment failure
4 Front cover sensor failure
5 Main PCB failure

4.4.2 Cannot read data

<User Check>
- Check that the USB cable or LAN 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 settings.
- Reset the machine to the default settings. (Refer to the User's Guide.)
Step
Connection failure of the front cover
1
sensor harness
2 Rubber key attachment failure
3 Front cover sensor failure
First side or second side CIS unit
4
failure
5 Main PCB failure
Cause
Install the latest version of the firmware.
(Refer to
Reconnect the front cover sensor harness.
Reattach the rubber key.
Replace the front cover sensor ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the front cover sensor harness.
Reattach the rubber key.
Replace the front cover sensor ASSY.
Replace the first side or second side CIS
unit.
Replace the main PCB ASSY.
2-23
Remedy
"1.1" in Chapter 4.)
Remedy
Confidential