Canon Pro-1000 series Online Manual page 281

The Maintenance screen will appear.
5. Select Print head cleaning, then press the OK button.
The Print head cleaning screen will appear.
6. Select System cleaning, then press the OK button.
The confirmation screen will appear.
7. Select Yes, then press the OK button.
The printer starts system cleaning of the print head.
Do not perform any other operations until the printer completes system cleaning of the print head. This
takes about 6 minutes.
The pattern print confirmation screen will appear.
8. Select Yes, then press the OK button.
The nozzle check pattern will be printed.
9. When the completion message appears, press the OK button.
10. Examine the nozzle check
If the problem is not resolved after performing system cleaning, 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.
pattern.
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