Hi Piterson, I met this issue before, and resolved it finally. I use ArcGIS API for JavaScript 3.2. 'esri/tasks/PrintTask' class. The solution is: don't define Parameters.outSpatialReference in printTask.execute function. I think somehow this is a bug in exportWebMap service. in mapOptions the spatialReference and outSpatialReference are transformed to wkt. and if you define outSpatialReference, it isn't transformed.
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