Troubleshooting

Chapter 13

Solution 5: Check the power supply

Solution: Check the power supply.

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.

Cause: The product was not properly connected to a power supply or needed to be reset.

If this did not solve the issue, try the next solution.

154 Troubleshooting

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HP C4472, C4485, C4435, C4440 manual Solution 5 Check the power supply, To check the power supply