ink level indicator on photosmart 375

The instruction manual doesn’t tell you how to read the ink leve indicator.  Mine is not printing but the ink level indicator shows what appears to be an almost empty drop with a tiny bit of green on the very bottom of the drop.  There is green under the drop....

photosmart C6180 All-in-One, Ink Problem

  I have a C6180 All-in One on a Dell Med tower with Windows XP Pro system, It has worked good for the last few years. I had a light cyan ink cartridge go empty a week ago and put a new cartridge in like always, but it keeps giving me a replace cartridge and...