https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/iP-4600-color-cartridges-consumption/m-p/109915#M11810 <P>My printer used mainly for B&amp;W light use. Only very occasionally print in color. Why do my color cartridges empty so quickly.</P><P>Understand automatic self-cleaning process &amp; have tried both leaving the printer on &amp; switching it on &amp; off when using.</P><P>Probably only use the printer once or twice a week for a sheet or two.</P> Thu, 14 Aug 2014 07:59:09 GMT rogerdunn 2014-08-14T07:59:09Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/iP-4600-color-cartridges-consumption/m-p/109915#M11810 <P>My printer used mainly for B&amp;W light use. Only very occasionally print in color. Why do my color cartridges empty so quickly.</P><P>Understand automatic self-cleaning process &amp; have tried both leaving the printer on &amp; switching it on &amp; off when using.</P><P>Probably only use the printer once or twice a week for a sheet or two.</P> Thu, 14 Aug 2014 07:59:09 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/iP-4600-color-cartridges-consumption/m-p/109915#M11810 rogerdunn 2014-08-14T07:59:09Z