Canon imagePROGRAF TX-4000 MFP T36 series User Manual - Page 732

Roll Paper Is not Switched Automatically When using certain paper types and widths under certain temperature and humidity conditions, roll paper auto switching may not be possible. Set Paper retention setting to Release in the touch screen menu and feed the paper manually. Menu Structure Loading the Upper Roll on the Printer Note • Roll paper cannot not be fed or switched automatically until you change this setting. If the roll cannot be switched at the end, make sure Switch roll paper when low is set to Enable. Paper Source Does Not Switch When Roll Paper Is Used Up 732