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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.
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‎09-29-2025 05:03 PM

HP Recommended
Product: HP DeskJet 4155e All-in-One Printer

Hi! When I scan with the document feeder, I thin black vertical appears on the scan image.  I have cleaned and reset the unit.  Any suggestions?

 

1 REPLY 1

‎09-30-2025 11:48 AM

HP Recommended

@djhg 

 

scanner clean adf glasses - 2023-07-26 20 31 32.png

With such a small line, it is advisable to use a magnifying glass.
Some impurities cannot be detected with the naked eye.

 

Kind Regards
Andr-1611

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