COPYRIGHT © 1998 CANON INC. CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-5CHAPTER 5 TROUBLESHOOTING5) To adjust the original leading edge stopposition, use the push switches SW1 andSW2 on the DADF control PCB.A press on each push switch will shift theoriginal stop position by 0.34 mm.When the correct position is attained,press the push switch (SW3) once. Thecopy paper will be discharged and thenew setting will be stored in memory.TP1J10J15J1CB1 J2 J14J12J11J7J6J13J5J9J8J3B12 B12 113121312131142A1 A121 1 1 1 9101 4 228171DSW1SW2SW1SW3Figure 5-116•Push Switch and Shift in PositionTable 5-103Note:Holding down the push switch will notmake more than a single shift.DADFLeading edge Rear edgeCopy paperCopyboard glassFigure 5-117Suppose that the copy paper stop positionl 4 is 10 mm from the end of the copyboard glasswhen the push switch (SW3) on the DADFcontroller PCB has been pressed once to stopthe copy paper on the copyboard glass and theDADF has been opened.Close the DADF slowly without removingthe copy paper.To shift the stop position of the copy papertoward the rear by 1.6 mm,1.6 mm/0.34 (adjustment pitch) = 4.70The push switch (SW1) should be pressedfive times.Press the push switch (SW1) five times,and press the push switch (SW3) on the DADFcontroller PCB once to discharge the copypaper and store the new setting.Direction of shiftRearFrontPush switchSW1SW2