Canon PIXMA MG6821 User Manual - Page 204

Cleaning the Print Head Deeply If print quality does not improve by the standard cleaning of the print head, clean the print head deeply. Cleaning the print head deeply consumes more ink than the standard cleaning of the print head, so clean the print head deeply only when necessary. You need to prepare: a sheet of A4 or Letter-sized plain paper 1. Make sure that the power is turned on. 2. Load a sheet of A4 or Letter-sized plain paper in the cassette. After pushing the cassette back, the paper information registration screen is displayed on the touch screen. Select A4 or Letter for Page size and Plain paper for Type, then tap OK. If a message is displayed on the screen, follow the directions in the message to complete registration. 3. Open the paper output tray gently. 4. Flick the HOME screen, then tap Using the Operation Panel The setup menu screen will appear. Setup. 5. Tap Maintenance. The Maintenance screen will appear. 6. Tap Deep cleaning. The confirmation screen will appear. 204