https://community.usa.canon.com/t5/Professional-Photo-Printers/Pixma-pro-100-Black-ink-clogging/m-p/180888#M3540 <P>I have a pixma pro 100 for about 3 years.</P><P>&nbsp;</P><P>In times I don't print much, I keep printing or at least, printing a nozzle check at least once week. However, recently I noticed that the black ink and sometimes the cyan gets clogged just after three or even two days without use. Is that normal?&nbsp;</P> Sun, 31 Jul 2016 08:20:42 GMT Od4141 2016-07-31T08:20:42Z https://community.usa.canon.com/t5/Professional-Photo-Printers/Pixma-pro-100-Black-ink-clogging/m-p/180888#M3540 <P>I have a pixma pro 100 for about 3 years.</P><P>&nbsp;</P><P>In times I don't print much, I keep printing or at least, printing a nozzle check at least once week. However, recently I noticed that the black ink and sometimes the cyan gets clogged just after three or even two days without use. Is that normal?&nbsp;</P> Sun, 31 Jul 2016 08:20:42 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/Pixma-pro-100-Black-ink-clogging/m-p/180888#M3540 Od4141 2016-07-31T08:20:42Z