- In the current consideration of additive manufacturing processes and printed electronics, the focus of science and industry is on the evaluation of the electrical conductivity of printed structures. At the same time, however, the mechanical properties, such as adhesion, and consistent print results are neglected. The pretreatment of substrates often takes place without knowledge of the resulting surface energies and their effects on the quality of printed structures. This paper presents two different substrate pretreatments on glass, PI and PET as well as their effects on adhesion and the quality of the printed image. A layout is printed with Optomec’s Aerosol Jet using a silver nanoparticle ink. The quality of the examined structures is then verified using cross cut tape test and optical analysis.