In recent years inkjet printing technology has been increasingly applied as advanced deposition technology in the field of printed electronics.[1] The reasons for the awakening interest to use inkjet printing are the high flexibility in terms of patterns (mask-less) and materials, and the low cost approach as only a small amount of materials is required in comparison to other solution-based deposition techniques.[2].Most of research works are based on laboratory inkjet equipment for manufacturing using single nozzle systems or small printheads and fabricating small numbers of devices. Therefore, the variability and mismatch of large quantities of printed devices are underrepresented in literature and are key factors towards commercialization of printed electronics. [3,4]Our work focuses on the manufacturing of hundreds of allinkjet printed Organic Thin Film Transistors (OTFTs) in A4 flexible foils using small R&D printheads. Electrical and morphological characterizations were performed in order to obtain device statistics to investigate the origins of the failures responsible for the decreasing yields. The statistical results of such characterization are studied and presented.