Green sources of energy and especially photovoltaic technologies are needed to accomplish the global climate targets and satisfy the requirements of modern society. Perovskite-based solar cells have shown rapid development in power conversion efficiency during the last decade, approaching the level of prevailing silicon-based technology. However, record-breaking perovskite layers have only been achieved using small-scale deposition techniques. For this reason, we have developed an inkjet printing process to finely control and enhance the crystallization process of a printed perovskite solution. With this, we improved the crystallization formation to achieve homogeneous layers and reduce the number of undesired defects that disturb the generation of charges in the solar cell. Thus, we have been able to improve the efficiency of previously reported inkjet-printed layers to more than 16% and set the path to continue the development of large-area photovoltaic devices as large as 1 m².