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We cleaned the cartridge 4 times and changed it. The colours work fine, but the black print doesn't come out.
THe cartridge should be full, the app says so.
What can we do additionally to make the ink work?
Thank you beforehand
@AdrianaChiara Welcome to HP Community!
I understand that black printing issue.
Please let us know if you are able to make the photocopy without any issue.
Please refer to the below link to troubleshoot the issue.
Please update the firmware.
Keep us posted,
If you would like to thank us for our efforts to help you,
Give us a virtual high-five by clicking the 'Thumbs Up' icon below, followed by clicking on the "Accept as solution" on this post,
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