HP Deskjet 6980 InkJet Photo Printer "makes line light blink tech" Questions

...tech chat and talk on line with a hp pesron. I did have the printer for 16 month...time flies thought it was for 9. Even thought it was out of Warranty... they replaced it after a few question. ...

...light on solid - should all be blinking) This situation has occurred by my refilling the original ink tanks with quality ink designed for my brand and model of printer. Had disabled ink level ...

...light slow blinks for awhile. Then it turns to fast blink, which means "the contents of the MD-1000's nonvolatile memory have been lost." And that will go on forever, printing nothing. Have tried ...