1. The blank has good compatibility, so far no Problems. In the following CD / DVD burner brands tested: Freecom: compatible, no calibration error Plextor: compatible, no calibration error Phillips: compatible, no calibration error GCC-4241N / Notebook: Calibration error 2. printability / result is possible in good quality. I use Canon PIXMA iP4000 to print. TIP: This printer is a ensprechendes print program included. To avoid remaining edge now under new place with outside diameter 118mm and an inner diameter of 17 to 20mm. The Printing Preferences positions should Photo / Custom / diffusion and photo- optimizer with more contrast - looks very good. 3. What will point deduction? What is certain is the introduced by the center hole lettering ugly! TIP: Primarily very dark color in this design Select area and work surface. Of course, the calibration error is the GCC-4241N also a small flaw. 4. However, rather 4 points in the note above tips.