Solution 5: check the power supply – HP Deskjet F4210 All-in-One Printer User Manual
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4.
If you receive a Disconnected error message, then check whether there is
another instance or another tab for the product with a copy number included, such
as HP Deskjet F4200 All-in-One Series 2.
5.
Select the second instance of the product and repeat steps 2 through 4.
6.
Try to scan again.
Cause: There might have been two instances of the product connected to the
HP Solution Center.
If this did not solve the issue, try the next solution.
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.
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.
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.
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