Canon Color imageCLASS MF9170c Service Manual page 106

Contents
6.1 Overview/Configuration ................................................................................................................................................ 6-1
6.1.1 Overview ...................................................................................................................................................................................... 6-1
6.2 Controlling the Laser ..................................................................................................................................................... 6-3
6.2.1 Overview ...................................................................................................................................................................................... 6-3
6.2.2 Laser Light Emission Control ...................................................................................................................................................... 6-4
6.2.3 Laser Light Intensity Control ....................................................................................................................................................... 6-4
6.2.4 Image Masking Control................................................................................................................................................................ 6-4
6.2.5 Failure Detection .......................................................................................................................................................................... 6-4
6.3 Controlling the Laser Scanner Motor ............................................................................................................................ 6-5
6.3.1 Overview ...................................................................................................................................................................................... 6-5
6.3.2 Failure Detection .......................................................................................................................................................................... 6-5
6.4 Parts Replacement Procedure ........................................................................................................................................ 6-6
6.4.1 Laser/Scanner Unit....................................................................................................................................................................... 6-6
6.4.1.1 Before Removing the Laser Scanner Unit ......................................................................................................................................................6-6
6.4.1.2 Removing the Laser Scanner Unit ..................................................................................................................................................................6-6
Contents