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‎11-15-2019 06:10 PM

HP Recommended
Product: HP Office Jet Pro 7740
Operating System: macOS 10.15 Catalina

What is "Marker supply" and what do I do to fix "marker supply low" so I can print again!

35 people had the same question
3 REPLIES 3

‎11-15-2019 06:32 PM

HP Recommended

There are two fixes in other posts.

1) with the power to the printer on, remove the power cord, wait a minute or two, power back up.

2) with the power on, remove the ink cartridge's, remove the power cord, wait a minute or two, power back up, install the ink cartridge's.

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‎11-16-2019 08:20 PM

HP Recommended

No joy.

 

I had seen that possible fix in the community postings and I tried it a few times. No joy. I tried it again just now and still no joy.

 

What am i to do?

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‎12-09-2019 01:23 PM

HP Recommended

Tried both options and still not working.  Any other ideas?

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