Wood by UV printer will not need coating, just print directly. There is stable white UV ink, so we can print on dark and light color wooden gift with embossment.
These images show wooden gifts printed by UV printer
The last image shows that wood were printed by UV printer and eco-solvent printer(multi-function printer).
Wood printed by eco-solvent printer need coating before printing.
There is no stable white eco-solvent ink,so we cannot print on dark color wood by eco-solvent printer.