Canon BJC 4300 InkJet Printer "red status light constantly blinking" Questions

...Status Information 2 1 Page Test A 3 Continuous Printing Nozzle Test 4 1 Page When you release the POWER button, the test page starts to print. *All self-test prints require Letter or A4 size paper. ...

...status light blinks constantly and the red & yellow colors are lit up ,suggesting a change.However I rarely print in color. I would just like to be able to print in black . Hope you can help. ...