Konica Minolta 5430 DL 5440 DL 5450 - Manual (Page 22)

magicolor 5430 DL /5440 DL /5450 Theory of Operation
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CONTENTS
I Outline
1. System configuration............................................................................................ 1-1
2. Product specifications .......................................................................................... 1-2
2.1 Type ................................................................................................................... 1-2
2.2 Functions ........................................................................................................... 1-3
2.3 Maintenance ...................................................................................................... 1-5
2.4 Machine Specifications ...................................................................................... 1-5
2.5 Operating Environment...................................................................................... 1-5
3. Center cross section ............................................................................................ 1-6
4. Paper path............................................................................................................ 1-7
5. Image creation process ........................................................................................ 1-8
II Composition/Operation
1. Overall composition.............................................................................................. 2-1
1.1 Timing chart at machine powerup ..................................................................... 2-1
1.2 Control block diagram ........................................................................................ 2-2
2. Print head (PH) .................................................................................................... 2-3
2.1 Composition....................................................................................................... 2-3
2.2 Operation ........................................................................................................... 2-4
2.2.1 Overview....................................................................................................... 2-4
2.2.2 Laser exposure process ............................................................................... 2-4
2.2.3 Laser emission timing................................................................................... 2-5
2.2.4 Laser emission area ..................................................................................... 2-5
2.2.5 Laser light intensity control ........................................................................... 2-6
2.2.6 Registration correction control ...................................................................... 2-6
3. Toner Cartridge (TC) / TC Overall composition .................................................... 2-7
3.1 Composition....................................................................................................... 2-7
3.2 Drive ................................................................................................................ 2-10
3.3 Operation ......................................................................................................... 2-12
3.3.1 Configuration of Toner Cartridge ................................................................ 2-12
3.3.2 Loading/unloading mechanism of Toner Cartridge ..................................... 2-12
3.3.3 Toner Cartridge life control ......................................................................... 2-13
4. Toner Cartridge / Hopper ................................................................................... 2-14
4.1 Composition..................................................................................................... 2-14
4.2 Operation ......................................................................................................... 2-15
4.2.1 Toner Level Detection (magicolor 5430DL/5440DL) ................................... 2-15
4.2.2 Toner Level Detection (magicolor 5450) ..................................................... 2-15
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