Troubleshooting
Chapter 12
Solution 2: Check the power cord and USB cable
Solution: Make sure that the power cord and USB cable are properly attached and plugged in. Also, make sure that the product is turned on.
To check the power supply
1.Make sure the power cord is firmly connected to both the product and the power adaptor. Plug the power cord into a power outlet, surge protector, or power strip.
1Power connection
2Power cord and adaptor
3Power outlet
2.Make sure the product is turned on.
3.If the product is not receiving electrical power, connect it to another power outlet.
4.Turn off the product and reset it by disconnecting the power cord.
5.Wait 5 seconds, and plug in the power cord.
6.Turn on the product.
7.Try to scan again.
162 Troubleshooting