Cause
The ink has run out. (The lamp on the ink tank flashes.)
Action
Replace the ink tank and close the operation panel.
Printing under the current condition may damage the machine.
If you want to continue printing in this condition, you need to release the function for detecting the remaining ink level. Press and hold the machine's Stop button for at least 5 seconds, and then release it.
With this operation, releasing the function for detecting the remaining ink level is memorized. Please be advised that Canon shall not be liable for any malfunction or trouble which may be caused by continuation of printing under the ink out condition.
Note
