Canon Community

Is it really true that the printer will not even print b/w only if one of the color tanks is 1/4 full?  Effectively this means that one gets only 3/4 tank use (at maximum) when one of the tanks reaches 1/4 full.  Is there any workaround?

Printing a document in color today worked fine for a dozen pages, and then the first bad page started fine but by the end of page only magenta was printing.  With more attempts only yellow printed and finally nothing,  A nozzle check showed black was...