We have developed totally dry, environment-friendly and smallfootprint digital printing machine for In-mold and Hot stamp which is characterized by its Foil printing. Recently, digitalization of foil printing system such for In-mold is attracting strong attention since the variety o f exterior parts for consumer products, such like laptop PC, is increasing to provide different decorations accordingly to the personalization trend. We adopted thermal transfer method which has unique feature that it could print regardless of transferring material such like pigment for this application and made best use of it during commercialization. We report the content of study and measures against variety of problems such as heat radiation design etc required for speeding up the machine to meet the requirement of business use product.