Printer says paper tray is empty and it is not empty.

[Anniescrafty]

In HP Smart it says that the Paper Tray is empty and it is not empty.

[Dragon-Fur]

@Anniescrafty 

Welcome to the HP Community --

Unfortunately, without knowing the printer model, most answers you find will be generic in nature.

In general, this type of error might involve one or more of...

• The printer Firmware is outdated -- The solution:  Udate the printer Firmware

• The Paper Size and / or Paper Type of paper loaded in the intake tray does not match the paper detected by the printer's "Small", "Medium", or "Large" paper groups.
• Which type of printers use this 3 group method?  Certainly the DeskJet models, maybe one or two others.

• The Paper Size and / or Paper Type settings set in the Printer Control Panel or EWS - Tray and Paper do not match the actual paper loaded in the intake Tray -- Generally this type of mis-match results in a "paper does not match" error but there might be circumstances where the wrong message is triggered.

• The printer hardware -- the intake Tray -- is not able to detect that paper is loaded.  

Possible Solution

• Remove the stack of paper, flex (Do not fan), stack and straighten the paper.
• Use the instructions in your printer's user guide to reload the paper into the intake tray and close the tray.
• Update the Printer Control Panel for Paper Size / Type or update using EWS

• The printer includes more than one tray -- The Source (tray) settings in the print application "More Settings" are set to Automatic and should instead be set to the Tray for the current job.    
• HP_Smart_Win_PDF_Print_15

• The printer needs a power Reset -- this won't help unless the issue is due to a stuck sensor that can (will) be reset by removing the printer power completely for a set amount of time.

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[Anniescrafty]

Thank you Dragon…I will double check all that you recommended!  
I’ve done my DH of what was recommended and with no luck…but I’ll keep trying! 
Thank you!