Thank you for that. Sorry for slow reply. That does help. I have decided to throw out this piece of junk and avoid Canon forever.. just like I avoid their lenses and cameras and buy Leica. Epson it is.. but thanks apologies for my damning reply.
Hi again
Thank you for the advice.
The tray is not open.. nor does it have any kind of debris.. it is spotless.. but even opening it then closing it etc or following your other suggestions carefully does nothing.. the yellow light flashes six times.. 1851 error it says on screen.
Thanks for all this info. With a new looking but seemingly dead Pro-1 and your help I installed a new coin battery got past 26 flashes reset time with service tool v3400 (tried via Mac and Wine but failed) then via Win 7 PC. And having got the correct drivers etc the machine was whizzing and...