Canon TR7660 Online Manual page 541

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Cause
The ink has run out.
What to Do
Replace the ink tank and close the scanning unit / cover.
If you want to continue printing in this condition, you need to disable the function for detecting the
remaining ink level. Press and hold the printer's Stop button for at least 5 seconds, and then release it.
With this operation, disabling the function for detecting the remaining ink level is memorized.
Please be advised that Canon shall not be liable for any malfunction or trouble caused by using a non-
genuine Canon ink tank or by using non-genuine Canon ink.
Note
• If the function for detecting the remaining ink level is disabled, the ink tank is displayed in white on
the touch screen when the current ink level is checked.
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