My Pro9000 has given me 11 years of excellent service but is now leaving black lines on front and back of photographic prints and plain paper. I suspect that I need to clean the rollers but that option is not present on the maintenance screen and I...
Canon Pixma Pro 9000. A4 paper doesn't feed correctly. It feeds in on the right but not on the left, so that it crumples as it feeds and jams. A5 and 4x6 seem OK.