three Lenovo m7400 driver official version Chinese/ 14.3M Lenovo m7400 has a small size, optimized design of keys on the control panel, multiple shortcut keys to facilitate user control, ultra-low sleep power consumption, intelligent control is an advantage, and user-friendly control experience design is also an advantage. The expressiveness of dark details in printed and copied images needs to be improved, and the driving installation takes a long time. Lenovo m7400