Hlola umthelela oguquguqukayo we-Ultraviolet A Light Emitting Diodes (ama-UVA LED) emkhakheni wobuchwepheshe bokuphrinta, njengoba sihlolisisa izinhlelo zokusebenza nezinzuzo zawo ngaphezu kwezibani ze-mercury zendabuko. Zitholele ukuthi ama-UVA LED aguqula kanjani ukunemba kokuphulukisa kukayinki, athuthukisa ukunamathela kwe-substrate, futhi anike amandla ukuphrinta kwedatha okuguquguqukayo okuphumelelayo. Yembula ukusebenza kahle kwamandla, ukukhishwa kokushisa okuncishisiwe, nokuthembeka okwenza ama-UVA LED ahluke, kuyilapho uwaqhathanisa nezingqinamba zokukhipha ukushisa okuphezulu, amalambu e-mercury adinga ukunakekelwa kakhulu. Hlanganyela nathi ohambweni oluya ekusaseni lokusebenza kahle nokusimama kokuphrinta.