@Kendra1243, Welcome to HP Support Community,
Thank you for posting your query; I’m here to help by guiding you through steps to resolve this issue
It sounds like you’ve been putting in a lot of effort to fix the issue yourself, but I totally understand your frustration. When the printer’s not printing properly for months, and it keeps costing time and effort without much improvement.
Even after cleaning, sometimes the problem lies within the ink delivery system, or the printer may have issues like a clogged printhead.
Perform a nozzle check. If clogged, run the deep cleaning cycle.
Ensure no paper or debris is obstructing the ink flow. Clean the paper feed rollers.
Check for firmware updates on HP Support website.
Unplug the printer for a few minutes, then plug it back in to reset it.
Print a test page to check print quality.
Also, you may refer this guide: Troubleshooting print-quality issues | HP® Support
I hope these steps help resolve the issue
Please feel free to reply here if you have any questions or if you need further clarification on any of the steps.
Take care and have a good day.
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Regards,