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‎07-07-2021 12:51 AM

HP Recommended

I would like to know what kind of grease HP uses in printheads to apparently improving contact between printhead contacts and carriage contacts.

Anyone knows?

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5 REPLIES 5

‎07-07-2021 06:14 AM

HP Recommended

You need to clean that greasy film.




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‎07-08-2021 08:12 AM

HP Recommended

Which plotter do you have? None of the normal consumer/small business models with replaceable heads would have any grease unless HP has changed something recently. Due to the density of contacts, any type of conductive grease would be a sure cause of shorts in the printhead due to overlap.

If you find the information provided useful or solves your problems, help other users find the solution easier by giving kudos and marking my post as an accepted solution.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.



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‎07-09-2021 12:24 PM

HP Recommended

If HP wouldn´t think it useful, I don´t think they would put it in the first place...

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‎07-09-2021 12:26 PM

HP Recommended

I remember in 10, 11, 80, 81, 72 printheads..

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‎07-10-2021 12:59 PM

HP Recommended

That greasy film is for contact protection, not for better contact.




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