Canon PIXMA TS6250 Online Manual page 122

The confirmation screen will appear.
7. Select Yes.
The printer starts cleaning the print head deeply.
Do not perform any other operations until the printer completes the deep cleaning of the print head. This
takes about 1 to 2 minutes.
The pattern print confirmation screen will appear.
8. Select Yes.
The nozzle check pattern will be printed.
9. When the completion message appears, select OK.
10. Examine the nozzle check
If a particular color is not printed properly,
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 your nearest Canon service
center to request a repair.
pattern.
replace the ink tank
122
of that color.