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HP Recommended
HP OfficeJet Pro 6978
macOS 10.14 Mojave

When I turn the printer on, I get the paper jam message (when no paper is jammed), then when I clear it, I get the 0x6100004a error message.  I try to access the cartridges, but the cartridge carriage seems to be frozen to the right, so I cannot clean the printheads, install new cartridges, or see what the problem is.  I cannot find how to release the cartridge carriage.  I do print frequently so the print heads should not be clogged and it was working fine just a day ago. 

 

2 REPLIES 2
HP Recommended

Take a look at this support doc.

Is the warranty still valid?

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Please mark the post that solves your issue as "Accept as Solution".
I am a volunteer and do not work for HP.
HP Recommended

I tried everything. I also called customer support.

They told me it was a hardware issue and that the printer is trash. It is less than two years old. 

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