I noticed that you are wondering how to unlock your printer preferences for your HP Officejet pro 8610 printer. I am happy to look into this issue for you!
Just to clarify, Do you mean the printer preferences on the computer or on the printer itself? If on the computer What Operating System are you using? Windows, or Mac? What version? http://www.whatsmyos.com
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Once I know this information, I will do some research for you!