white streaks in my black printing , hp envy 4520

[overkill999]

why has my printing got streaks in , as my cartridge is brand new , could it be the quality of the paper

[Rainbow23]

@overkill999

Welcome to HP Support Community. This is a great place to post questions find answers and tips.
Thank you for posting your query. I will be glad to help you.

I see that you are facing print quality issues with your HP ENVY 4520 All-in-One Printer.

Please follow the steps listed below to run the automated printhead or ink cartridge cleaning tool:

1. Load plain white paper in the tray.
2. Open the HP Smart app, and then click the picture of your printer to open the settings and management tools.
3. In Print Quality Tools or in Advanced Settings>>Tools>>Utilities>>Print Quality Toolbox, select Clean Printhead to start the cleaning tool.
4. Review the Print Quality Diagnostic page that prints for defects and any instructions to resolve the issue. Run up to two more cleaning cycles, if necessary.

You may also refer to this document

Let me know if this helps.

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Take care and have a good day.