Canon MG6600 Series Manual page 681

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Cause
If the lamp on the ink tank is flashing, ink may have run out.
Action
Replacing the ink tank is recommended.
If printing is in progress and you want to continue printing, tap OK on the machine with the ink tank
installed. Then printing can continue. Replacing the ink tank is recommended after the printing. The
machine may be damaged if printing is continued under the ink out condition.
Note
• If multiple ink lamps are flashing red, check the status of each ink tank.
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