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officeJet Pro 7740---Cartridge problem

OfficeJet Pro 7740
Microsoft Windows 10 (64-bit)

We are getting this error message :

"Catridge problem

One or more cartridges are missing or damaged.

Until cartridges are replaced make sure the printer is turned on to avoid damage to the printer"


1) we  removed cartridges one by one to see which one was faulty. Nothing changed. Same error message.


2)we inserted new cartridges.Nothing changed. Same error message.


3)we unplugged the machine from the wall outlet for a minute.Nothing changed. Same error message.


4)we updated the firmware to the latest version.


we cannot print anything, not even the test pages.

also before and after the new cartridges, the estimated supply levels are down, like empty..

its not able to read the ink levels correctly.


Smart app tells us that a cartridge is missing.


HP Support Agent
HP Support Agent
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officeJet Pro 7740---Cartridge problem



Welcome to the HP Support Community.


If you've performed all the steps from here:, I recommend you to contact the HP Support Team regarding this as this could be a hardware issue.




Note:  Select the country accordingly to get the contact details for support.


Let me know if this helps.


If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution button, that'll help us and others see that we've got the answers!



Have a great day!

I am an HP Employee

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