Hi Wayne, I know it is a strange request, but I'd like to print an nmrPipe format fid file. I can read the file in (but I have to ignore big endian popup). Anyways, when I try to print I get the following error: Exception in Tkinter callback Traceback (most recent call last): File "/sw/lib/python2.5/lib-tk/Tkinter.py", line 1403, in __call__ return self.func(*args) File "/Users/justin/Documents/Programs/Software/analysis/ccpnmr/ccpnmr2.0/python/ccpnmr/analysis/popups/PrintWindow.py", line 193, in saveFile frame.tick_location, frame.tick_placement, aspectRatio) File "/Users/justin/Documents/Programs/Software/analysis/ccpnmr/ccpnmr2.0/python/ccpnmr/analysis/core/PrintBasic.py", line 65, in printWindow handlers = setupHandlers(window, outputHandler, aspectRatio) File "/Users/justin/Documents/Programs/Software/analysis/ccpnmr/ccpnmr2.0/python/ccpnmr/analysis/core/PrintBasic.py", line 89, in setupHandlers if (yAxisPanel.axisUnit.isBackwards): AttributeError: 'NoneType' object has no attribute 'isBackwards' Thanks, Justin