The interest in functional ceramic coatings based on low cost and flexible manufacturing has been heightened by the effectiveness shown by chemical solution deposition of metal-organic salts, usually based on the use of spin coating, dip coating, or slot die coating techniques prior to thermal treatment to achieve decomposition of the starting salts. The possibility of implementing effective drop on demand systems in the manufacturing process allows a more efficient way to apply the precursor solution homogeneously onto the substrate, thus, enabling control of thickness of the ceramic coating, by controlling the drop size and the pitch of the printing pattern, among other manufacturing advantages such as control of solvent evaporation. In the present work, the authors report on their experiments concerning ink jet coating of functional complex ceramics for La_0.7Sr_0.3Mn_O3 and YBa₂Cu_3O7–x layers and patterns over single crystal and polycrystalline substrates using an electromagnetic system and a single nozzle piezoelectric dispenser. Characterization of rheological properties of the developed ink and of the resulting coating by optical microscopy, x-ray diffraction, scanning electron microscopy, and magnetic behavior are reported.