HP Smart Tank Plus 555 magenta and yellow colour is not printing

[Tranquilo]

Good afternoon all,

This is my first post on this forum so if I am doing it wrong then my apologies and hopefully you can direct me to the correct way.

I have a HP Smart Tank Plus 555 printer and since a few weeks 2 colours are not printing anymore. When I print the ink status report then these 2 are empty and the cyan and black are visible. The ink tank for all colours are full. I have tried the steps to clean the printheads but unfortunately no luck. 

I have read an article in this forum about hot water but this doesn't apply to this type of printer as I don't have a cartridge.

Can someone assist me of give any tips in solving this issue?

Thanks in advance for the replies.

Kind regards,

[Echo_Lake]

@Tranquilo

Thank you for posting on the HP Support Community.

Don't worry as I'll be glad to help, 
I appreciate your efforts to try and resolve the issue. If you have already performed the steps from the document Color or Black Ink Not Printing, Other Print Quality Issues: https://support.hp.com/in-en/document/c04100778 and the issue persists, it could be a hardware failure. 
 

I'm sending out a private message to assist you with the next course of action. Please check your Private message icon on the upper right corner of your HP Community profile Next, to your profile Name, you should see a little blue envelope, please click on it or simply click on this link: https://h30434.www3.hp.com/t5/notes/privatenotespage
 

Hope this helps! Keep me posted for further assistance.
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