I have a bcj 4000 printer was working fine. Started up next day lights started blinking.online hs hq and error. The book claims this is a controller error. Canon with their great support wants $25 to tell you the problem. Its keeps blinking does not stop until I shutoff. I know its not ink or power light would be blinking, but thats new.Removed and reinstalled, upgraded drivers NG. Any help please