Canon Community

I keep getting a "A paper size that cannot be fed from Rear Tray was selected." error, even though I have used this paper routinely in the past. Is there some setting I am missing to override this? Thanks

I have received this error plus the 10-flash orange light, and looking on-line it seems it is likely a print head problem. However, I am unable to contact Canon (for a week the phone line always gives a 'closed' message, no replies to emails over the...