Hi and good morning,
In this case you may need to simply replace that printer head, but you can watch these two videos to get some insight on this process. If cleaning the head doesn't solve the issue , you can order a new head HP and replace it, the process is easy and the head comes with good easy to follow instructions;-)
The videos are generic and cover most of the printers yours may be slightly different;-)
In any case, I will stick with you until this is complete.
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