HP DeskJet 3820 InkJet Printer "2010 black blinking" Questions

black ink led blinking try this solution http://pcmediks.blogspot.com/2010/08/how-to-disable-ink-level-monitor-for.html

...black and all the lights start flashing. Is there anything I can do to fix it? I had a similar error (not the same! C2FE0100), and cleared it up with the following procedure: 1) While the HP logo was ...

...2010/12/16 Y. Solve this please! we disconnected the batteries, and it STILL says the black cartridge is empty. Could there be yet another set of batteries in the 5510 ? Has anyone verified that ...

...2010 Kodak.com/go clear?" But if I disconnect the usb cable it can scan to an inserted card. After many hours with Kodak help and getting their solutions over and over, they finally said it's not a ...