Unsolvable paper jam

[Anatole1]

I own a HP OfficeJet Pro 8740 which at the moment is not printing because the printer claims there is a paper jam.  However, I have had many paper jams before and  know how to clear them.  (More often than not, the jam involves one of the paper trays, but I have also encountered other types of paper jams.)  No matter where I looked in the printer I do not see ANY paper jam and ANY pieces of paper.  The printer is too heavy for me to take  to a repair shop, and frankly, I have no idea which repair shop in Honolulu, Hawaii, would handle problems with the HP printers.  Please help!

[Dragon-Fur]

@Anatole1 

Welcome to the HP User Community.

Greetings from the West Coast USA.

Printer might think it needs cleaning or maintenance...

Use this guide to fix:

 Paper Jam Error

Hopefully something will kick it free.

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HP OfficeJet Pro 8740 All-in-One Printer series 

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