Canon imageRUNNER 5065 series Service Manual page 11

5.4.4.3 After Replacing the Reader Controller PCB........................................................................................................................... 5- 19
5.4.5 Interface PCB ........................................................................................................................................................ 5- 19
5.4.5.1 Before Removing the Interface PCB...................................................................................................................................... 5- 19
5.4.5.2 Removing the Interface PCB ................................................................................................................................................. 5- 19
5.4.6 Memory PCB ......................................................................................................................................................... 5- 20
5.4.6.1 Before Removing the Memory PCB....................................................................................................................................... 5- 20
5.4.6.2 Removing the memory PCB .................................................................................................................................................. 5- 20
5.4.7 Inverter PCB .......................................................................................................................................................... 5- 20
5.4.7.1 Before removing the inverter PCB ......................................................................................................................................... 5- 20
5.4.7.2 Removing the Inverter PCB ................................................................................................................................................... 5- 20
5.4.7.3 After Replacing the Inverter PCB........................................................................................................................................... 5- 21
5.4.8 Scanner Motor ....................................................................................................................................................... 5- 21
5.4.8.1 Before Removing the Scanner Motor..................................................................................................................................... 5- 21
5.4.8.2 Removing the Scanner Motor ................................................................................................................................................ 5- 21
5.4.8.3 Mounting the Scanner Motor.................................................................................................................................................. 5- 22
5.4.9 ADF Open/Close Sensor ....................................................................................................................................... 5- 22
5.4.9.1 Before Removing the ADF Open/Close Sensor..................................................................................................................... 5- 22
5.4.9.2 Removing the ADF Open/Close Sensor ................................................................................................................................ 5- 22
5.4.10 Scanner HP Sensor ............................................................................................................................................. 5- 22
5.4.10.1 Before Removing the Scanner HP Sensor........................................................................................................................... 5- 22
5.4.10.2 Removing the Mirror Base HP Sensor ................................................................................................................................. 5- 22
5.4.11 Original Size Sensor ............................................................................................................................................ 5- 23
5.4.11.1 Before Removing the Original Size Sensor.......................................................................................................................... 5- 23
5.4.11.2 Removing the original size sensor ....................................................................................................................................... 5- 23
5.4.12 Cooling Fan ......................................................................................................................................................... 5- 24
5.4.12.1 Before Removing the Cooling Fan ....................................................................................................................................... 5- 24
5.4.12.2 Removing the Cooling Fan................................................................................................................................................... 5- 24
5.4.13 Scanner Drive Cable............................................................................................................................................ 5- 24
5.4.13.1 Outline.................................................................................................................................................................................. 5- 24
5.4.13.2 Before Removing the Scanner Drive Cable ......................................................................................................................... 5- 24
5.4.13.3 Removing the Scanner Drive Cable..................................................................................................................................... 5- 24
5.4.13.4 Fitting the Scanner Drive Cable ........................................................................................................................................... 5- 27
5.4.13.5 Adjusting the Position of the No. 1/No. 2 Mirror Base.......................................................................................................... 5- 27
5.4.14 Waste Toner Box Holder ..................................................................................................................................... 5- 28
5.4.14.1 Before Removing the Collecting Toner Bottle Holder .......................................................................................................... 5- 28
5.4.14.2 Removing the Collecting Toner Bottle Holder ...................................................................................................................... 5- 28
Chapter 6 Laser Exposure
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
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