CHAPTER 4 MAINTENANCE AND INSPECTIONCOPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 2001 4-3A layout of the parts requiring periodic servicing is shown below.F04-301-01F04-301-02[4][18][17] [3] [13][12] [14] [11][5][15][8] [9][2][6][7] [10][1][22][20][24][16][25][21][23]