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Note: From May 1, 2024, the HP Scan and Capture app will no longer be available (retired) in the Microsoft Store and HP will not release any further app updates. Alternatively, you can download HP Smart from the Microsoft Store. For more information on how to set up your printer using the HP Smart app, go to HP printer setup (HP Smart app).
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.
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‎06-14-2019 08:07 AM

HP Recommended

I receive a vertical black line in the middle of the 1st page only of a scan on my pagewide 477 dw multi

Does not show up on back side of 2 page scans.

Does not show up on printed pages

Printer is pretty new

Clean environment

Tried cleaning rollers 

Software issue?

2 people had the same question
2 REPLIES 2

‎06-15-2019 09:40 AM

HP Recommended

You have contamination on the scanner glass you need to clean. This unit has 2 scan heads so you need to make sure both are clean. If the line is on the side that is face up in the document feeder, then lift the lid and clean the slit of glass on the left side. If the line is on the other side then you need to clean the backside scanner. Check YouTube for instructions to do that.

If you find the information provided useful or solves your problems, help other users find the solution easier by giving kudos and marking my post as an accepted solution.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.



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‎06-17-2019 01:48 PM

HP Recommended

Thanks for your reply.  If you are correct, I see a small black fleck under the glass on the left side pane.  How do I get under the glass to remove or even blow out with compressed air?

Thanks for your quick initial reply

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