Canon imagePROGRAF PRO-300 PRO-300 series User Manual - Page 479

Ink Does Not Come Out Check1 Make sure of the estimated ink levels in the ink tanks. Check the ink status on the LCD. Checking Ink Status on the LCD Check2 Are the print head nozzles clogged? Follow the steps below to print a nozzle check pattern and determine whether the ink is ejected properly from the print head nozzles. Step1 Print the nozzle check pattern. After printing the nozzle check pattern, examine the pattern. • For Windows: Printing a Nozzle Check Pattern • For macOS: Printing a Nozzle Check Pattern If the pattern is not printed correctly, go to the next step. Step2 Clean the print head. After cleaning the print head, print the nozzle check pattern and check the result. • For Windows: Clean the print head • For macOS: Clean the print head If it does not improve, clean the print head again. If it still does not improve, go to the next step. Step3 Clean the print head deeply. After cleaning the print head deeply, print the nozzle check pattern and check the result. • For Windows: Clean the print head deeply • For macOS: Clean the print head deeply If it does not improve, turn off the printer, wait for more than 24 hours, and go to the next step. When you turn the printer off, do not unplug it from the power supply. Step4 Clean the print head deeply again. After cleaning the print head deeply again, print the nozzle check pattern and check the result. If it still does not improve, go to the next step. 479