Troubleshooting For Software Problems; Does Not Respond To Operation From A Computer; Cannot Read Data - Brother ADS-1000W 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 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.)
• Check that the AC adapter is connected correctly.
Step
1 Program malfunction
Connection failure of the front cover
2
sensor harness
Front cover sensor or top cover
3
sensor failure
4 Main PCB failure

4.4.2 Cannot read data

<User Check>
• Check the relevant section in the User's Guide.
• Check that the AC adapter is connected correctly.
Step
Connection failure of the front cover
1
sensor harness
Front cover sensor or top cover
2
sensor failure
First side or second side CIS unit
3
failure
4 Main PCB failure
Cause
Reinstall the latest firmware.
Reconnect the front cover sensor harness.
Replace the cover switch ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the front cover sensor harness.
Replace the cover switch ASSY.
Replace the first side or second side CIS
unit.
Replace the main PCB ASSY.
2-24
Remedy
Remedy
Confidential