If using multiple colors in the design, mix the ink colors according to the desired specifications. Adjust the ink viscosity or other settings as necessary to achieve the desired print quality.

 There are various printing methods available for metal pens, depending on the desired outcome and budget. Common printing methods for metal pens include pad printing, laser engraving, screen printing, and UV printing. Each method has its advantages and considerations.

Start by inspecting the pen to ensure it meets your quality standards. Check for any defects, such as scratches, ink leaks, or damaged components. If any issues are found, set aside those pens for repair or replacement.