Hp officejet 6500 all lights are flashing and mechine says turn off and on

SOURCE: hp officejet 6500 all lights

: Check the power cord

1.
Turn on the product.
2.
Remove the power cord from the back of the product.
3.
Check the power cord for any physical damage. If the power cord is damaged, replace the power cord.

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If these steps resolved the issue , you do not need to continue troubleshooting.
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If the issue persists , continue to the next solution.

Turn the product off and then on again

1.
Press the Power button ( ) to turn the product off.
2.
Wait 60 seconds, and then press the Power button ( ) to turn the product back on.
3.
If the product does not turn off when the Power button ( ) is pressed, wait three minutes, and then proceed to the next solution.

Plug the product into a wall outlet
Follow these steps to make sure the product is plugged in correctly.

1.
Unplug the power cord from the back of the product.
2.
Unplug the power cord from any surge protectors or power strips.
3.
Select a wall outlet to plug the product into. Test the wall outlet by plugging another electric appliance, such as a lamp, into the wall outlet and turning it on. Unplug the test appliance.
4.
Plug the power cord into the back of the product.
5.
Plug the power cord into the wall outlet.
6.
Press the Power button ( ) to turn the product on.

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If these steps resolved the issue , you do not need to continue troubleshooting.
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If the issue persists , continue to the next solution.

Solution six: Reset the product
Follow these steps to reset the printer.

1.
Unplug the power cord from the back of the product.
2.
Unplug the power cord from the wall outlet.
3.
Wait 10 seconds, and then plug the power cord back into the wall outlet.
4.
Plug the power cord into the back of the product.
NOTE: Many power cords have an LED light on the power module or on the end of the cord that plugs into the product. Make sure the LED light is lit and steady.
5.
Press the Power button ( ) to turn the product on.

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If these steps resolved the issue , you do not need to continue troubleshooting.
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If the issue persists , continue to the next solution.

6. Perform a partial reset of the product

1. Disconnect the power cord from the product.
2. Wait for 20 seconds.
3. Press and hold # and 3 while reconnecting the power cord.
4. When the product turns on, release both buttons.
5. Try printing again.