HP F4280 User Guide - Page 160

Solution, To check the power supply

Page 160 highlights

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. 1 Power connection 2 Power cord and adaptor 3 Power 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. 158 Troubleshooting

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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.
1
Power connection
2
Power cord and adaptor
3
Power 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.
Chapter 12
158
Troubleshooting
Troubleshooting