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Note: From May 27, 2025, the HP Print and Scan Doctor will no longer be available (retired) and HP will not release any further app updates. You can learn more by clicking here Replacement for Print and Scan Doctor.
Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
We would like to share some of the most frequently asked questions about HP Solution Center not working : Adobe Flash Player Error and Unable to Scan.

‎05-15-2025 10:13 AM

HP Recommended
Product: HP ENVY Photo 7855 All-in-One Printer
Operating System: Microsoft Windows 10 (32-bit)

The auto feed does not function in scanning mode.

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1 REPLY 1

‎05-17-2025 05:14 AM

HP Recommended

@50t, Welcome to HP Support Community. 

 

Thank you for posting your query, I will be glad to help you. 
If the Auto Document Feeder (ADF) on your HP ENVY Photo 7855 isn't working in scanning mode on Windows 10, here are some steps you can try to resolve the issue:

 

Check ADF Settings in HP Smart or Scanning Software

Make sure the ADF is selected as the source when scanning:

  • Open HP Smart or your scanning software.
  • Choose Scan > Source > Select Document Feeder (not Flatbed).

Clean the ADF Rollers

Dust or debris can prevent the ADF from picking up paper:

  • Turn off the printer and unplug it.
  • Open the ADF cover.
  • Use a lint-free cloth dampened with distilled water to clean the rollers and separator pad.
  • Let it dry for 2 minutes before closing the cover and powering on.

Reset the Printer

A simple reset can sometimes fix feeder issues:

  • Turn off the printer.
  • Unplug it from the wall for 60 seconds.
  • Plug it back in and turn it on.

Update Firmware

Outdated firmware can cause hardware malfunctions:

Try Copying from the ADF

This helps determine if the issue is with scanning software or the hardware:

  • Place a document in the ADF.
  • Use the printer’s control panel to Copy.
  • If it copies successfully, the ADF hardware is likely fine.

Use HP Smart Instead of HP Scan and Capture

HP Scan and Capture has been retired. Use HP Smart from the Microsoft Store for better compatibility. 
 

If none of these steps work, the ADF hardware might be faulty. 

You may refer to this document - HP printers - Automatic document feeder does not pick paper or feeds too many sheets | HP® Support
 

I hope this helps. 

 

Take care and have a good day. 

 

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Select "Yes" on the bottom left to say “Thanks” for helping! 

 

Max3Aj

HP Support 

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