Transporting copy papers in printer or copier - leading to stacking tray or return feed unit for double-sided copying after being turned over

摘要

Based on entered image data a reversing unit (15) can return a copy sheet printed on one side to repeat feed unit (14). A depository (16) accepts sheets copied on both sides. The transporting procedure comprises steps of supplying a copy paper, received from an image producing unit (10) such as a copier or printer, to the reversing unit, selectively guiding the turned-over paper to either it has an image on one or sides. ADVANTAGE - working.