Canon imageRUNNER 5065 series Service Manual page 165

Contents
6.1 Construction ...................................................................................................................................................................6-1
6.1.1 Overview...................................................................................................................................................................................... 6-1
6.1.2 Major Components....................................................................................................................................................................... 6-1
6.2 Basic Sequence ..............................................................................................................................................................6-1
6.2.1 Basic Sequence of Operation (laser exposure) ............................................................................................................................ 6-1
6.3 Various Controls ............................................................................................................................................................6-2
6.3.1 Controlling the Laser Activation Timing..................................................................................................................................... 6-2
6.3.1.1 Generating the Sync Signal .............................................................................................................................................................................6-2
6.3.1.2 Flow of the Sync Signal ..................................................................................................................................................................................6-2
6.3.2 Controlling the Intensity of Laser Light ...................................................................................................................................... 6-2
6.3.2.1 Controlling the Laser Intensity........................................................................................................................................................................6-2
6.3.2.2 APC Control....................................................................................................................................................................................................6-3
6.3.3 Controlling the Laser Scanner Motor .......................................................................................................................................... 6-4
6.3.3.1 Controlling the Laser Scanner Motor..............................................................................................................................................................6-4
6.4 Parts Replacement Procedure.........................................................................................................................................6-5
6.4.1 Laser Scanner Unit....................................................................................................................................................................... 6-5
6.4.1.1 Removing the Laser Scanner Unit ..................................................................................................................................................................6-5
6.4.1.2 When Replacing the Laser Scanner Unit ........................................................................................................................................................6-5
Contents