Canon FY8-13FW-000DADF-A1 Service Manual

Contents

COPYRIGHT © 1998 CANON INC. CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-1CHAPTER 5 TROUBLESHOOTINGI. STANDARDS ANDADJUSTMENTSA. Mechanical System1 Adjusting the DADF Height1) Remove the copier's rear cover.Turn the bolt of the left/right support sothat the distance a between the two rubberfeet at the rear and the horizontal size plateon the copyboard glass is 0.2±0.1 mm(about two sheets of copy paper of 64 g/m 2 ) when the DADF is closed, i.e., the feetat the front are in contact with thecopyboard glass.After adjustment, tighten the nuts to lockthem.DADFRubber foot(front)SupportCopier'srear coverRubber foot(rear)Horizontalsize plateNutBolt Copyboard glassCopieraa=0.2+0.1mmFigure 5-1012) After adjustment, check to make sure thatboth left and right rubber feet at the front ofthe DADF are in contact with thecopyboard glass. Otherwise, adjust the leftand right supports once again.2 Adjusting the Original StopPositionAdjust the original stop position after"adjusting the DADF height"; then, perform"correcting the skew," "adjusting the distanceto the horizontal size plate," and "adjusting theoriginal leading edge stop position."a. Correcting the Skew1) Remove the screw, and detach the DADFcontroller cover.DADF controller coverScrewFigure 5-1022) Shift bit 1 of the DIP switch (DSW1) onthe DADF controller PCB to ON.ON1 2 3 4 5 6 7 8LED1LED2SW1TP1J10J15J1CB1 J2 J14J12J11J7J6J13J5J9J8J36 1B12 B12 113121312131142A1 A121 1 1 1 9101 4 228171DSW1SW2SW3Figure 5-1033) Place an A3 or 279.4×431.8-mm(11"×17") sheet of copy paper (64 g/m 2 )on the original tray.