Features: 1) 750 printer, an immensely productive printer, is preferred firstly for the overwhelming superiority: super speed of printing, thermal drying system and convenient switch between indoor ink and outdoor ink 2) High-speed printing and drying: 750 printer can produce photo image at the speed of 63 square feet an hour. Process of rolling up and laminating could be speeded up after printing for the thermal drying system would provide fast and even drying 3) Flexible ink: with 8 pieces of ink-supplying pipes and ink-storages, only 4 of them are needed to be replaced, which offers easy switch between indoor ink and outdoor ink. The updated design-sealed connecting port ensures simplicity of changing ink carriages and easy cleaning