https://community.usa.canon.com/t5/Professional-Photo-Printers/Cannon-Pro-100-not-using-all-of-the-ink/m-p/227531#M5132 Give Canon a call at 1-800-OK-CANON. Sun, 17 Dec 2017 21:36:35 GMT jrhoffman75 2017-12-17T21:36:35Z https://community.usa.canon.com/t5/Professional-Photo-Printers/Cannon-Pro-100-not-using-all-of-the-ink/m-p/227502#M5131 <P>Hi,</P><P>I have a question about ink. I am using the Canon Pro-100. I am using Canon brand ink and the grey is not being used up, but says the tank is empty. It is only using about half. If I insert a new one, it works fine. This is now the 4 time it happened. Any ideas? Suggestions? I cleaned the printer head, and nozzle.TIA! Jana</P><P><IMG src="https://community.usa.canon.com/t5/image/serverpage/image-id/15070i1BB35F8F5E64378D/image-size/medium?v=1.0&amp;px=-1" border="0" alt="Canon Ink grey.JPG" title="Canon Ink grey.JPG" /></P> Sun, 17 Dec 2017 16:30:37 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/Cannon-Pro-100-not-using-all-of-the-ink/m-p/227502#M5131 jboremski 2017-12-17T16:30:37Z https://community.usa.canon.com/t5/Professional-Photo-Printers/Cannon-Pro-100-not-using-all-of-the-ink/m-p/227531#M5132 Give Canon a call at 1-800-OK-CANON. Sun, 17 Dec 2017 21:36:35 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/Cannon-Pro-100-not-using-all-of-the-ink/m-p/227531#M5132 jrhoffman75 2017-12-17T21:36:35Z