Printer won't print because "paper size detected" "does not match paper size selected in software"

[WDAustin]

The printer will not print – at each attempt I get an error message: “The paper size detected by the printer sensor does not match the paper size selected in software…”.   However, the paper size specified (in every place I know to do so) is “letter”, and 8.5”  X  11”, which is the size of the loaded paper.   This was at first a sporadic problem, now consistent – nothing will print (except a “Self Test Diagnostic Page” DID print today).

[Sizzlingsum_13]

Hello@WDAustin

Welcome to HP Forums, this is a great place to get support, find answers and tips, Thank you for posting your query.

As I understand that you're getting " paper size detected"  "does not match paper size selected in software" error message.

I'll be more than glad to help you out!!

Here is a list of steps that commonly resolve issues : Click here

Please complete the steps and let me know the outcome.

I'll be eagerly waiting to assist you with same,

Cheers 🙂

Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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[WDAustin]

Unfortunately, none of the suggested remedies:  "(1) Adjust the paper size setting;  (2) Check the paper source setting;  and  (3) Reset the Printer" ....... worked.     I'm still getting the same error message ....   I am using Windows 10, but I had printed for a while after using Windows 10 ..... and, in any case, I tried updating the firmware, to no avail.

[Sizzlingsum_13]

@WDAustin

Thank you for the update )

Can I Know the model name of your printer?

 Please report back.

[WDAustin]

Product Name:   HP Officejet 6500 E710n-z series

Serial Number:  (removed content)

[A4Apollo]

Hey there! @WDAustin, thanks for the response.

Thanks for performing the troubleshooting.

As you mentioned that the issue still persists even after troubleshooting.

Please try creating custom paper size and check if the issue still persists.

Refer this article to know how to create custom paper size.

Let me know if this helps!

Have a great day! 🙂