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We would like to share some of the most frequently asked questions about Instant Ink. Check out this link: HP INSTANT INK, HP+ PLANS: INK AND TONER. .
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Black Ink won't print

HP Recommended
OfficeJet Pro 6968
Microsoft Windows 10 (64-bit)

I have a fairly new high capacity black ink cartridge from my instant ink subscription.  I  installed it new, and used it four days ago to print 4 color photos (4x6 images - nothing too big or crazy) and it worked just fine.


Today I changed the paper type back from photo paper 4x6 to plain paper 8.5x11 and suddenly the black doesn't work at all.  I tried to print a photo just now (another 4x6) and it worked perfectly.  Plain paper comes out blank.


HP solutions like cleaning the print heads and contact points don't work.  My   software is up to date.  I tried restarting the printer.  When I take the cartridge out the ink comes off black on my finger.

What am I doing wrong?  I'm a teacher at home and I really need my printer!!

HP Support Agent
HP Support Agent
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HP Recommended

Hi @Neffclan,


Please send us a private message with your Instant Ink account details or you may also respond to the private message I've sent out and I'll help you out, accordingly. Check next to your profile name, you should see a little blue envelope, please click on it. 


Let me know. 


And, Welcome to the HP Support Community


Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

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Have a great day!

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