Fujitsu s300 Service Manual

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This section describes common problems that may occur during usage of the ScanSnap and how to 
solve the problems.
Before you call a repair service, perform simple troubleshooting steps in the table below.
If performing these troubleshooting steps does not resolve your problem, contact an authorized 
FUJITSU scanner service provider. 

The scanner 
cannot be 
turned on. 

Are the power or USB bus 
power cable and the USB 
cable connected correctly?

Correctly connect the power or USB 
cable and USB bus power cable to the 
computer.
When using a hub, check the hub’s 
power supply.
When using a USB bus power cable, use 
a powered USB hub equipped with an 
AC adapter. If you connect to a non-
powered hub, the scanner may not work 
properly.

Disconnect and then re-connect the 
power or USB bus power cable.
(Note: Wait at least 5 seconds before 
reconnecting the Power/USB bus power 
cable)

Is the paper chute closed? 
(The scanner’s power is 
controlled by closing/opening 
the paper chute.)

Open the paper chute.

Is Windows normally started 
up?
(This scanner’s power is 
controlled by turning on/off the 
computer.)

Wait until Windows has started up 
completely. 

 LED may turn off when 

Windows is starting up or in the sleeping 
mode.

Scanning does 
not start.

Is ScanSnap Manager for the 
ScanSnap S300 installed in 
your computer?

Install ScanSnap Manager for the 
ScanSnap S300. (See 

Is the USB cable connected 
correctly?

Connect the USB cable correctly. (When 
a hub is used, check the hub’s power 
supply.) 
When using a USB bus power cable, use 
a powered USB hub equipped with an 
AC adapter. If you connect to a non-
powered hub, the scanner may not work 
properly.

Does the   LED light blink 
continuously?

Disconnect and then re-connect the 
power or USB bus power cable.
(Note: Wait at least 5 seconds before 
reconnecting it.)