Cleaning the Print Head Deeply. Canon PIXMA MG6850, PIXMA MG6851, PIXMA MG6853, PIXMA MG6840, Pixma MG6852, PIXMA MG6800 series

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.

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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.

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