Canon printer PIXMA MG6820 User Manual
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For B (lines are missing or horizontal white streaks are present) in the pattern C or pattern D, orin both patterns: The cleaning is required. Tap Also B, then tap Yes on the cleaning confirmation screen. The machine starts cleaning the print head. Cleaning the Print Head Note
Cleaning the Print HeadClean the print head if lines are missing or if horizontal white streaks are present in the printed nozzle checkpattern. Cleaning unclogs the nozzles and restores the print head condition. Cleaning the print head consumes ink, so clean the print head only when necessary. You need to prepare: a sheet of A4 or Letter-sized plain paper1. 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 Setup . Using the Operation Panel The setup menu screen will appear. 5. Tap Maintenance . The Maintenance screen will appear. 6. Tap Cleaning . The confirmation screen will appear. 202
7.Tap Yes. The machine starts cleaning the print head. Do not perform any other operations until the machine completes the cleaning of the print head. This takes about 1 minute. The pattern print confirmation screen will appear.8. Tap Yes. The nozzle check pattern will be printed. 9. Examine the nozzle check pattern . Note
Cleaning the Print Head DeeplyIf 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 paper1. 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 Setup . Using the Operation Panel The setup menu screen will appear. 5. Tap Maintenance . The Maintenance screen will appear. 6. Tap Deep cleaning . The confirmation screen will appear. 204
7.Tap Yes. The machine starts cleaning the print head deeply. Do not perform any other operations until the machine completes the deep cleaning of the print head. This takes about 1 to 2 minutes. The pattern print confirmation screen will appear.8. Tap Yes. The nozzle check pattern will be printed. 9. When the completion message appears, tap OK. 10. Examine the nozzle check pattern . If a particular color is not printed properly, replace the ink tank of that color. If the problem is not resolved, turn off the power and clean the print head deeply again after 24 hours. If the problem is still not resolved, the print head may be damaged. Contact the service center. 205
Aligning the Print HeadIf printed ruled lines are misaligned or print results are otherwise unsatisfactory, adjust the print head position. Note
The confirmation screen will appear. 7. Confirm the message, then tap Yes. The print head alignment sheet will be printed. Important
10. Close the document cover gently, then tap OK. The machine starts scanning the print head alignment sheet, and the print head position will be adjusted automatically. Important
Performing Maintenance Functions from Your Computer (Windows) Cleaning the Print Heads Aligning the Print Head Aligning the Print Head Position Printing a Nozzle Check Pattern 209
Cleaning the Print HeadsThe print head cleaning function allows you to clear up clogged print head nozzle. Perform print head cleaning if printing is faint or a specific color fails to print, even though there is enough ink. The procedure for cleaning the print head is as follows: Cleaning 1. Open the printer driver setup window 2. Click Cleaning on the Maintenance tab When the Print Head Cleaning dialog box opens, select the ink group for which cleaning is to be performed. Click Initial Check Items to display the items you need to check before performing cleaning. 3. Execute cleaning Make sure that the printer is on and then click Execute. Print head cleaning starts. Important