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5.4.6.1 Removing the Copyboard Glass.....
................................................................................................... 5- 37
5.4.6.2 Removing the ADF Reading Glass ................................................................................................... 5- 38
5.4.6.3 Removing the Contract Sensor Home Position Sensor..................................................................... 5- 39
5.4.7 Original Size Sensor ................................................................................................................................. 5- 39
5.4.7.1 Removing the Reader Rear Cover..................................................................................................... 5- 39
5.4.7.2 Removing the Copyboard Glass........................................................................................................ 5- 40
5.4.7.3 Removing the Original Size Sensor .................................................................................................. 5- 41
5.4.8 Reader Heater (option).............................................................................................................................. 5- 42
5.4.8.1 Removing the Copyboard Glass........................................................................................................ 5- 42
5.4.8.2 Removing the Reader Heater (right) ................................................................................................. 5- 43
5.4.8.3 Removing the ADF Reading Glass ................................................................................................... 5- 43
5.4.8.4 Removing the Reader Heater (left).................................................................................................... 5- 44
Chapter 6 Laser Exposure
6.1 Construction ......
................................................................................................................................................ 6- 1
6.1.1Specifications, Control Mechanism, and Functions.................................................................................... 6- 1
6.1.2Major Components...................................................................................................................................... 6- 2
6.1.3Construction of the Control System............................................................................................................ 6- 2
6.2 Basic Sequence...................................................................................... ........................................................... 6- 6
6.2.1Basic Sequence ............................................................................ . ............................................................ 6- 6
6.3 Various Controls....................................................................... .... ................................................................... 6- 7
6.3.1 Controlling the Laser Activation Timing......................... ... ...................................................................... 6- 7
6.3.1.1 Turning On and off the Laser Light ................... .. ............................................................................. 6- 7
6.3.1.2 Main Scanning Synchronous Control........... . . .................................................................................. 6- 8
6.3.2 Controlling the Intensity of Laser Light .......... ... ...................................................................................... 6- 9
6.3.2.1 APC Control....................................... . . ........................................................................................... 6- 9
6.3.3 Controlling the Laser Scanner Motor .. ... ............................................................................................... 6- 10
6.3.3.1 Controlling the Laser Scanner Motor................................................................................................ 6- 10
6.3.4 Controlling the Laser Shutter.... . . .......................................................................................................... 6- 10
6.3.4.1 Controlling the Laser Shutter ............................................................................................................ 6- 10
6.4 Parts Replacement Procedure.. ..................................................................................................................... 6- 12
6.4.1 Laser Scanner Unit.................................................................................................................................... 6- 12
6.4.1.1 Removing the Front Cover Unit........................................................................................................ 6- 12
6.4.1.2 Removing the Left Cover.................................................................................................................. 6- 12
6.4.1.3 Removing the Laser Unit................................................................................................................... 6- 12
Chapter 7 Image Form
ation
7.1 Construction ......
................................................................................................................................................ 7- 1
7.1.1Specifications of the Image Formation System........................................................................................... 7- 1
7.1.2Major Components of the Image Formation System .................................................................................. 7- 2
7.2 Image Formation Process.................................................................................................................................. 7- 4
7.2.1Image Formation Process (outline) ............................................................................................................. 7- 4
7.2.2Image Formation Process (image formation).............................................................................................. 7- 5
7.3 Basic Sequence.................................................................................................................................................. 7- 6
7.3.1Sequence of Operation (initial rotation)...................................................................................................... 7- 6
7.3.2Sequence of Operation (initial rotation)...................................................................................................... 7- 6
7.3.3Sequence of Operation (copying)................................................................................................................ 7- 7
fineline6
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