Lexmark printer prints poorly......Still ink bar is high!!!!! HELP! PLEASE!?

I have a Z710 Lexmark printer and I' m trying to print something but always prints badly! I checked to see if the nozzles were clean and their not, so it recommended that i buy new ink! My ink bar is like full! I DONT WANNA BUY NEW INK WHEN ITS FREAKING FULL! wtf is wrong with this stupid printer!!!!! My... show more I have a Z710 Lexmark printer and I' m trying to print something but always prints badly! I checked to see if the nozzles were clean and their not, so it recommended that i buy new ink! My ink bar is like full! I DONT WANNA BUY NEW INK WHEN ITS FREAKING FULL! wtf is wrong with this stupid printer!!!!! My assingment is due tomorrow!!!!! HELP ME!
Update: Print quality is set to normal.......
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