Chapter 88-31[4] Duplexing inlet roller[5] Duplexing feeding roller 1[6] Duplexing feed sensor (PS17)[7] Duplexing feeding roller 28.7.2 Overview 0007-2221iR3570 / iR4570 / /Inside the duplexing assembly are 2 sets of rollers that are driven by the duplexing motor (M10).F-8-43[1] Reversing roller[2] Reversal sensor (PS4A)[3] Duplexing inlet sensor (PS3A)[4] Duplexing inlet roller[5] Duplexing feeding roller 1[6] Duplexing feed sensor (PS17)[7] Duplexing feeding roller 28.7.3 Sequence of Image Formation 0007-2223iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 /The machine goes thorough the following sequence to form images when making double-sided copies/prints:[6][3][2][1][4][5][7]