| 摘要 |
PURPOSE: A printing device and a cleaning method thereof are provided to completely clean residues remaining a printing head. CONSTITUTION: A plurality of printing heads(200) comprise a plurality of nozzles printing a solution on a substrate. A head transfer module(300) supports the printing heads. The head transfer module transfers the printing head at a home location in a first axial direction. The head transfer module transfers the printing head from the home location to a cleaning location. A head cleaning module(400) cleans the printing heads. |
