# Document feed path

The document feed path of the documents to be read is as follows.

WF-C878Ra/WF-C878R are equipped with the CIS Modules in the ADF mechanism. Since the document is not needed to be reversed any more, the tapping*¹ skew correction is performed after the ADF PE Sensor A detects the document.

*1: Feeds paper by the rotation of the Pick-up Roller while the ADF 1st PF Roller is stopped. Even after the paper reaches the ADF 1st PF Roller, keeps feeding as is to make the paper arch for a predetermined time to correct the paper skew.