Canon MAXIFY MB5420 MB5400 series PDF User Manual Windows - Page 207

Maintenance Procedure Follow these steps to restore print quality if printing becomes faint or uneven, colors are incorrect, or printing results are not as expected (as when parallel lines are not printed parallel). Note • Increasing the print quality in the printer driver may give better results. Changing the Print Quality and Correcting Image Data (Windows) Changing the Print Quality and Correcting Image Data (Mac OS) To Correct Faint or Uneven Printing: Step1 Print the nozzle check pattern. From your machine Printing the Nozzle Check Pattern From your computer Printing a Nozzle Check Pattern (Windows) Printing a Nozzle Check Pattern (Mac OS) Step2 Examine the nozzle check pattern. Some missing lines or horizontal white streaks in the pattern: Step3 Clean the print head. From your machine Cleaning the Print Head From your computer Cleaning the Print Heads (Windows) Cleaning the Print Heads (Mac OS) After cleaning the print head, print and examine the nozzle check pattern again: Step1 Problem not resolved after you perform from step 1 to step 3 twice: Step4 Perform deep print head cleaning. From your machine Deep Print Head Cleaning From your computer Cleaning the Print Heads (Windows) Cleaning the Print Heads (Mac OS) 207