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Microsoft Windows 10 (64-bit)

Hi, I'm having a lot of trouble trying to increase the toner density of my laser printer. the option is not available in printer properties also I do not get the option in the Web service online, I also have the easy printer manager app and there is nothing in this also.

I also tried downloading the HP smart app and it just does not detect my printer at all.

 

any help welcome thank you so much 

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