On my Stylus Pro 7600, the yellow color has started gradually fading as the print head reaches the left hand side of the image. The entire image will have strong yellow on the right, fading to pale yellow on the left. It is only the yellow. This is not a clogged head issue, since the yellow always prints, it just loses intensity as the head progresses left.
It doesn't matter if the image is 24" wide or 6" wide. If both sizes are printed on one paper, the left side of the 6" will be pale, but in the 24", it will still be strong when the head is in the same position on the paper as the 6", because it is not at the left side of the larger image yet. In other words the left side of the 6" is only partway the distance across the paper of the 24" image. It can't be that the head gradually looses contact with the paper, since the yellow is still strong in the larger image wher it has faded in the smaller. Sorry, this is hard to describe without a picture!
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