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    Canon Pro-1 Vertical banding - Nozzle check OK except for CO

    Update: The problem with the CO contamination seems to be getting better and a photo test sheet is now close to perfect. Thinking that it was a fault in the print head, I forked out AUD 900 for a brand new one. However, installing that made no difference and the Nozzle Check pattern still...
  2. C

    Canon Pro-1 Vertical banding - Nozzle check OK except for CO

    Did you solve this problem? I have a Canon imagePROGRAF PRO-1000 that started showing a magenta or red cast on the CO but the Nozzle Check pattern is otherwise good. The printer wasn't used for several months, and I also suspect a cross contamination problem at the print head because I've...
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