You should first try the cleaning procedure that is available through your printer's control panel - .HP Officejet 6600 6700 Printers Fixing Poor Print Quality Problems If that does not work here is a video on removing the HP print head.
I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881
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You should first try the cleaning procedure that is available through your printer's control panel - .HP Officejet 6600 6700 Printers Fixing Poor Print Quality Problems If that does not work here is a video on removing the HP print head.
I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881