We used a non-contact robotic microarrayer to print known SLE autoantigens (histones H2A and H4, H2B, and H3, Ribo P, dsDNA, U1-70K, Ro52, Ro60, La/SSB, and Smith) on the surface of the chips’ GMR biosensors. This evidence concerns the gene TRIM21 and systemic lupus erythematosus.