Cleaning The Print Head Deeply - Canon Pixma MG3550 Online Manual

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.
1. Make sure that the power is turned on.
2. Hold down the Stop button until the Alarm lamp flashes orange three times, then release it
immediately.
The machine starts cleaning the print head deeply.
The cleaning will be complete when the ON lamp lights green after flashing.
Do not perform any other operations until the machine completes the deep cleaning of the print head. This takes
about 1 to 2 minutes.
3. Check the print head condition.
To check the print head condition, print the nozzle check pattern.
Printing the Nozzle Check Pattern
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, replace the FINE cartridge with a new one.
Replacing a FINE Cartridge
If the problem is still not resolved after replacing the FINE cartridge, contact the service center.
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