Canon iP8700 series Online Manual page 472

1688
Cause
The ink has run out. (The lamp on the ink tank flashes.)
Action
Replace the ink tank and close the top cover.
Printing under the current condition may damage the printer.
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 printer's RESUME/CANCEL 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.
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