Canon MAXIFY MB5420 MB5400 series PDF User Manual Windows - Page 216

6. Load a sheet of A4 or Letter-sized plain paper in cassette 1. Important • The screen for registering page size and media type is not displayed during any of the operations available in the Maintenance screen. Therefore, printing will be executed even if paper other than A4 or Letter-sized plain paper is loaded. • Nozzle check patterns cannot be printed from cassette 2. Load paper in cassette 1. 7. Pull out the output tray extension and open the paper output support. 8. Tap Yes. The nozzle check pattern is now printed. 9. Tap OK when a message is displayed indicating that deep print head cleaning is finished. 10. Examine the nozzle check pattern. If printing problems remain, turn the machine off, wait at least 24 hours, and perform deep print head cleaning again. Leave the machine plugged in after you turn it off. If the problem is still not resolved, the print head may be damaged. Contact the service center. 216