Canon PIXMA G620 G600 series User Manual - Page 275

• From the computer ◦ 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. Step5 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. Step6 Perform ink flush. After performing ink flush, print the nozzle check pattern and check the result. Ink flush consumes a great amount of ink. Frequent ink flush can rapidly consume ink, so perform it only when necessary. How to Perform Ink Flush Important • Performing ink flush when the remaining ink level is not enough may damage the printer. Before performing ink flush, check the remaining ink level of all colors. How to Perform Ink Flush If the nozzle check pattern is not printed correctly even after performing ink flush, check the installing condition of the print head. Check Installation of Print Head Check4 When an ink tank runs out of ink, refill the ink tank. If the remaining ink level is below the lower limit line (A), refill the ink tank with the corresponding color of ink. If you use the printer until the ink tank becomes empty, perform ink flush after refilling the ink tank. Refilling Ink Tanks How to Perform Ink Flush Note • The color of the printed image may differ from the color on the screen due to different coloration methods between the display and the printer. Also, colors may vary depending on the environment in which you are viewing the display and the color adjustment. For these reasons, the print result may not be the same color. Check5 Perform print head alignment. If printed lines are misaligned/distorted or print results are otherwise unsatisfactory, adjust the print head position. 275