I am having a similar issue with the Terrain dataset (not the hillshade, just straight terrain). When exporting, I also get a blank file. I have tried several different file formats to export to (tiff, jpg, pdf, eps) with no effect. My preferred export settings are 300 dpi, 8 bit palette tiff. I have a workaround: export the data, rather than the map, match the symbology for the exported tiff and then export the map. It is clunky and less than ideal, but does get the job done. I do have a support ticket opened on this (#02062244), but no luck so far in resolving it. Also, I'm using 10.6. The issue began while i was using 10.5, and I upgraded as part of my troubleshooting before I opened the ticket.
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