Why I won’t buy another Canon all-in-one printer

Last year, I bought a Canon MP830 printer/scanner/copier/fax/tea maker/whatever for my home office. I chose this particular device because it had all the features I was after, including CD printing, duplex printing, printing to the edge of the sheet, decent photo printing quality, and great document handling including automatic dual-sided copying. It also had theoretical high speed operation and ink economy with 5 separate tanks. It also looked like a sturdy piece of kit that wasn’t going to wobble all over the place in use, and which might stand a chance of lasting a long time. It was at the …