Canon MP980 series On-Screen Manual page 94

Checking the Ink Status Page 94 of 947 pages
the ink tank. If the function for detecting the remaining ink level is disabled, replace the ink tank with a new
one.
See Replacing Procedure .
If the ink lamp is still off after reinstalling the ink tank, there has been an error and the machine cannot print.
Check the error message displayed on the LCD.
Refer to " Troubleshooting " in the on-screen manual: Advanced Guide .
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