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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.

‎12-25-2025 01:59 AM - edited ‎12-25-2025 02:01 AM

HP Recommended

Good morning to everyone. I don't know how to clean adf rollers of my scanner HP LaserJet Pro MFP M428fdw . There is a blank line in the same place every time i try to scan a document.

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1 REPLY 1

‎01-14-2026 02:08 AM

HP Recommended

Hi,

Thanks for using the HP Support Community.

 

Please refer to this video (example) to clean the scan bar:

 

https://www.youtube.com/watch?v=WYx1ZfoGKfM

 

Do not remove (or tear away) any plastic on the LaserJet printer!

 

Hope that helps!

I am an HP Employee. Although I am speaking for myself and not for HP.
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HP AiO Printers : Resolving Vertical lines or bands on copied or scanned document
HP AiO Printers : Resolving Vertical lines or bands on copied or scanned document
youtube.com/watch?v=WYx1ZfoGKfM
Click on the link to subscribe and get the latest video uploads: https://goo.gl/y4Rcn1 This tutorial shows how to resolve vertical lines or bands in a copied document. The lines are usually caused by a speck of dirt on the scanner glass or ADF scanner glass strip. This applies to All-In-One ...
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