Canon PIXMA iP4820 On-Screen Manual - Page 361

Cleaning the Print Heads Page 361 of 468 pages The Nozzle Check dialog box opens after the confirmation message. 5. Check the results To check whether the print quality has improved, click Print Check Pattern. To cancel the check process, click Cancel. Important Cleaning consumes a small amount of ink. Deep Cleaning consumes a larger amount of ink than Cleaning. Cleaning the print heads frequently will rapidly deplete your printer's ink supply. Consequently, perform cleaning only when necessary. Note If there is no sign of improvement after Deep Cleaning, switch off the printer, wait 24 hours, and then perform Deep Cleaning again. If there is still no sign of improvement, the ink may have run out or the print head may be worn. For details on the remedial action to be taken, see " Printer Moves But Ink Is Not Ejected ." Related Topic Checking the Print Head Nozzles Page top