Canon Community

I've set the paper size to A3+ in the page setup window of Lightroom, and set A3+ in the control panel of my Pro 1000. I click on "Print," the paper shoots out blank, and the error message above appears in the control panel window.   I've checked and...

I've learned the Pro-1000 uses at least a smidgin of ink clearing the printhead every time you turn it on.  Some folks suggest just never turning it off, to save that smidgin of ink.  Will doing so harm the printer?  Is there enough heat generated to...