Canon imageRUNNER 7095 Service Manual page 166

Contents
6.1 Construction..................................................................................................................................................... 6- 1
6.1.1 Outline of the Laser Exposure System................................................................................................. 6- 1
6.2 Basic Sequence .............................................................................................................................................. 6- 3
6.2.1 Basic Sequence of Operations (laser exposure system) .................................................................. 6- 3
6.3 Various Controls ............................................................................................................................................. 6- 3
6.3.1 Controlling the Laser Activation Timing ................................................................................................ 6- 3
6.3.1.1 Turning On and Off the Laser Unit................................................................................................. 6- 3
6.3.1.2 Flow of the BD Signal....................................................................................................................... 6- 4
6.3.2 Controlling the Intensity of Laser Light ................................................................................................. 6- 5
6.3.2.1 APC Control....................................................................................................................................... 6- 5
6.3.3 Controlling the Laser Scanner Motor .................................................................................................... 6- 6
6.3.3.1 Outline ................................................................................................................................................ 6- 6
6.3.4 Controlling the Laser Shutter.................................................................................................................. 6- 7
6.3.4.1 Controlling the Laser Shutter .......................................................................................................... 6- 7
6.4 Parts Replacement Procedure ..................................................................................................................... 6- 8
6.4.1 Laser Scanner Unit .................................................................................................................................. 6- 8
Contents