含蜡的墨粉在进入热定影鼓的压印线后，蜡开始熔化并且移动到墨粉的表层从而降低了墨粉的表面能，使墨粉容易从热定影鼓上脱离。
When wax incorporated toner particles pass through the fusing nip , wax in the toner melts and moves to the toner surface to provide toner release from the fuser roll and thus forms the image .
压印线