Step-Contact Printer: Contact printer in which the film being copied and the raw stock are advanced intermittently by frame. Exposure occurs only when both are stationary.

• 间歇式接触印片机：未曝光的胶片和待拷贝的胶片在接触印片机中逐格地间歇前进，只有当两者处于静止状态时，才发生曝光。