Confronting the big threat cloud of global automotive recession, much cheaper and leaner paint process is required. Isuzu is challenging for the subject, and establishing lean green compact topcoat booth. This presentation will tell about "Past, current and future of Isuzu Fujisawa full automated topcoat booth" to give ideas of solution. Key points of the presentation will be "Established cheap dust off system, compact cell paint system, 2coat system", and "Future leanest energy saving system". This is the story of aiming and challenging for realizing "Champion topcoat booth" to combat threat cloud.