Cause
Print head may be damaged.
What to Do
Take the actions below.
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Press down on the Canon logo on the ink tank.
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Remove the ink tank and install it again.
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Turn off the printer and turn it back on.
If this does not solve the problem, service is required.
For support and service options, sign into (or create) your Canon Account from the link below.
My Canon Account
TS702 Page