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    Canon i850 - need to change print head?

    Yes I'm sure. I've never refilled and I've always used Canon carts. I pulled them all yesterday and they look fine. Also this problem has persisted through several changes of each cart. I'm going to look for Windex. My wife only uses chamois on the windows but I think Windex or something...
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    Canon i850 - need to change print head?

    I've done as you suggested using several paper towels. I could only see two sponges one about 3/8 inch by 1 inch, the other about 1/2 inch square but I guess they must be the ones. After the switch-on cleaning cycle the print was fine, but after leaving it for an hour it was as before ie...
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    Canon i850 - need to change print head?

    Color problem apparent 7/20. Ran nozzle check yellow appears orange, black appears navy blue, otherwise OK. Did cleaning, repeated nozzle check, all colors & black OK. Pulled carts, all look OK. Next time problem appears (later today?) I'll examine carts before cleaning.
  4. L

    Canon i850 - need to change print head?

    No there's no banding but a change in the colors. Red becomes a rusty color and yellow almost disappears. Can't recall how the nozzle check looks I've had the problem for so long that I just go straight into the cleaning routine. I wouldn't know whether there's cross-contamination, but in what...
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    Canon i850 - need to change print head?

    I have a two year old Canon i850 printer. Every few days some of the colours do not print correctly. Cleaning the print head overcomes the problem but only for a few days. Deep cleaning does not seem to help any more than ordinary cleaning. Black prints OK. I only use Canon carts and the...
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