Abstract: The present invention relates to an aligning anchor for positioning a substrate on a printing surface. The printing surface comprises a plurality of suction holes being distributed over the printing surface to provide a suction force to a contact side of the substrate. The aligning anchor comprises a first aligning element comprising a contact surface shaped to contact the printing surface, wherein the first aligning element has a thickness perpendicular to the contact surface. The aligning anchor further comprises a first positioning pin and a second positioning pin, each positioning pin protruding in a height direction substantially perpendicular from the contact surface and being shaped to fit into a suction hole.