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I have an hp deskjet 3720 printer that has been failing for some time. Specifically it does not print black (the only time it printed black for me is when I did the head alignment but still not printing all the lines) and also doing head alignment and cleaning as recommended by an expert guy which I asked did not settle the thing
I am adding photos so as to be clearer

 

head alignmenthead alignmenthead cleaninghead cleaning

1 REPLY 1
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@Raziel_98

 

Welcome to the HP Support Community.

 

Does this happen while copying too?

 

Try the step from here: https://support.hp.com/za-en/document/c05041666

 

Keep me posted for further assistance.

 

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!


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