Quote from: Lundberg02 on April 08, 2014, 05:12:06 PMThe test image is PrinterEvaluationImage_V002_ProPhoto.tif available from several sites on the web such as books.outbackphoto.com/DOP2010_03/printer_tests/???Hum, I downloaded both the PP RGB and ARGB test file and when I put the ARGB on top of the PP RGB file and set the blend to Difference, I see very, very little difference which leads me to