1. A method for controlling an imaging system, comprising: first scanning a test pattern image with a scanning device, the test pattern image being disposed on an image receiving medium and the image receiving medium being exposed to the scanning device in a first orientation; second scanning the test pattern image with the scanning device, the image receiving medium being exposed to the scanning device in a second orientation; and comparing, with a processor, information collected in the first scanning and information collected in the second scanning to isolate at least one image quality defect in the scanned test pattern image.