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Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
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Blank pages when scanning from feeder tray

HP Recommended
Envy 7640 e-All-in-One Printer
Microsoft Windows 10 (64-bit)

Using HP Smart to scan pages from the feeder tray results in blank pages.  I had to scan the pages one at a time from the glass bed.  I tried restarting the Printer, but that didn't help.  Twice while scanning pages the printer froze and had to be restarted.


Is there any way to have my Printer serviced?

HP Support Agent
HP Support Agent
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Welcome to the HP Support Community.


Are you able to copy from the feeder?


Clean a document scan feeder:


Clean the plastic and glass strips inside the document feeder with a soft, lint-free cloth sprayed with glass cleaner.


NOTE: Some printers ship with a document feeder cleaning cloth. If you have the cloth, load it into the document feeder and start a scan job to clean the scanner mechanism.

  1. Turn the printer off, disconnect the power cord, and then remove the rechargeable battery if your printer has one.

  2. Depending on your printer model, open any top cover, document feeder tray, and scan document feeder cover.

  3. Remove any debris such as bits of paper or paper clips from inside the document feeder.

  4. Spray a soft, lint-free cloth with glass cleaner, and then wipe the scanner glass and the white strip on the underside of the document feeder until clean, dry, and streak-free.


    To protect the interior printer parts, do not spray the cleaner directly on or into the printer.

  5. Completely close any covers and trays that you opened.

  6. Reconnect the power cord, reinstall the battery if necessary, and then turn on the printer.

Clean the automatic document feeder (ADF)

If your printer has an ADF, clean it regularly to help avoid paper jams and quality problems.

  1. Get a lint-free cloth and distilled water.

  2. Remove the original document from the ADF.

  3. Turn off the printer, and then disconnect the power cord.

  4. Open the ADF cover.

    Lifting the ADF cover

  5. Find the paper pick rollers and the separator pad inside the ADF.

    ADF paper pick rollers and separator pad

    Callout Description

    1.Paper pick roller

    2.Separator pad

  6. Lightly dampen a clean, lint-free cloth with filtered or distilled water, and then squeeze any excess liquid from the cloth.

  7. Use the damp cloth to clean the paper pick rollers and the separator pad.

  8. Leave the ADF cover open for two minutes to allow the rollers and pad to dry.

  9. Close the ADF cover.

  10. Reconnect the power cord, and then turn on the printer.

Try a firmware update as well:


Let me know if this helps.


If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!




Have a great day!

I am an HP Employee

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