My HP 7720 Scanner applies a black line down the page of any scanned documents, how do i fix this

[Chrisdl1]

My HP 7720 Scanner applies a black line down the page of any scanned documents, how do I fix this?

[Andr-1611 · Accepted solution]

HI,

clean all glass surfaces,

Also use a magnifying glass, as sometimes the dirt particles cannot be seen with the naked eye.

Hope this helps.

Kind Regards
Andr-1611

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