| 摘要 |
A method for identifying transfer efficiency in a xerographic print engine utilizes customer images, thereby avoiding the use of specialized images and the corresponding loss of productivity and paper waste. The method includes electronically sensing a two-dimensional residual mass structure on a substantial portion of a substrate surface within the xerographic print engine after image transfer, analyzing the two-dimensional structure using signal and/or image processing techniques, and determining the transfer efficiency, based on the sensed two-dimensional residual mass structure by applying the following functional equation form or variant: sensor_response=[(1-Mxfer<sub2>-</sub2>efficiency)*MpixelCnt]+[(1-Yxfer<sub2>-</sub2>efficiency)*YpixelCnt]+[(1-Cxfer<sub2>-</sub2>efficiency)*CpixelCnt]+[(1-Kxfer<sub2>-</sub2>efficiency)*KpixelCnt].
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