发明名称 A METHOD AND APPARATUS OF FORMING COMBINED TONER IMAGES
摘要 <p>Toner images are combined for later transfer to a receiving sheet by forming first and second toner images on an image member (1) and transferring the first toner image to an intermediate member (41; 54). The first toner image is transferred back to the image member in registration with a second toner image to form a combined toner image.</p>
申请公布号 WO1992007308(A2) 申请公布日期 1992.04.30
申请号 US1991007664 申请日期 1991.10.22
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