Which printing method is best described as requiring an ink-jet technology?

Impactless printing is the correct choice because it refers specifically to printing technologies that do not involve direct contact between the printing plate and the substrate. Ink-jet technology falls under this category as it uses nozzles to spray ink directly onto the media, allowing for high-quality prints without physical pressure. This method is widely utilized in digital printing applications, where precision and detail are critical.

The other methods involve different techniques. Screen printing requires a physical screen through which ink is pushed onto the substrate, making it a contact-based method. Offset lithography relies on transferring ink from a plate to a rubber blanket and then to the final material, also implying direct contact. The intaglio process involves engraving designs into a surface that holds ink, requiring pressure for ink transfer as well. Thus, impactless printing is distinct for its use of non-contact technology, making it the suitable answer for the question regarding ink-jet technology.