Dell 3130cn Service Manual
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Brand: Dell
Category: Label Maker , Printer
Type: Service manual for Dell 3130cn - Color Laser Printer
Pages: 854
Chapter 6 Principles of Operation
Chapter 6 Principles of Operation CONTENTS
Version 3 2008.05.30
1. Printing Process ..........................................................................................................6 - 1
1.1 Summary of Printing Process ........................................................................................................... 6 - 1
1.2 Schematic Diagram for Printing Processes ...................................................................................... 6 - 2
1.3 Description of Printing Process Techniques ..................................................................................... 6 - 3
1.3.1 Charging with electricity ............................................................................................................ 6 - 3
1.3.2 Exposure................................................................................................................................... 6 - 4
1.3.3 Development............................................................................................................................. 6 - 6
1.3.4 Transfer (Drum -> Paper) ......................................................................................................... 6 - 8
1.3.5 Cleaning (TONER CARTRIDGE)............................................................................................ 6 - 10
1.3.6 Fusing ..................................................................................................................................... 6 - 11
2. Paper Path.................................................................................................................6 - 12
2.1 Paper Path ...................................................................................................................................... 6 - 12
2.2 Layout of Paper Path ...................................................................................................................... 6 - 13
3. Functions of Major Functional Components..............................................................6 - 14
3.1 Paper Cassette ............................................................................................................................... 6 - 14
3.1.1 Major functions........................................................................................................................ 6 - 14
3.1.2 Reference diagram ................................................................................................................. 6 - 15
3.1.3 Multiple Sheet Feed Prevention.............................................................................................. 6 - 16
3.1.4 Reference diagram ................................................................................................................. 6 - 16
3.1.5 Bottom Plate Moving............................................................................................................... 6 - 17
3.2 Paper Feeder .................................................................................................................................. 6 - 18
3.2.1 Major functions........................................................................................................................ 6 - 18
3.2.2 Reference diagram ................................................................................................................. 6 - 19
3.3 MPF & Regi Assy............................................................................................................................ 6 - 20
3.3.1 Major functions........................................................................................................................ 6 - 20
3.3.2 Reference diagram ................................................................................................................. 6 - 21
3.3.3 Multiple Sheet Feed Prevention.............................................................................................. 6 - 22
3.3.4 Reference diagram ................................................................................................................. 6 - 22
3.3.5 Lead-edge Registration.......................................................................................................... 6 - 23
3.3.6 Reference diagram ................................................................................................................. 6 - 23
3.3.7 Paper detection by the Regi Sensor ...................................................................................... 6 - 24
3.3.8 Reference diagram ................................................................................................................. 6 - 24
3.4 Transfer Belt & Fuser...................................................................................................................... 6 - 26
3.4.1 Major functions........................................................................................................................ 6 - 26
3.4.2 Reference diagram ................................................................................................................. 6 - 27
3.5 PRINTHEAD ................................................................................................................................... 6 - 28
3.5.1 Major functions........................................................................................................................ 6 - 28
3.5.2 Reference diagram ................................................................................................................. 6 - 29
3.6 TONER CARTRIDGE ..................................................................................................................... 6 - 30
3.6.1 Major functions........................................................................................................................ 6 - 30
3.6.2 Reference diagram ................................................................................................................. 6 - 31
3.7 Drive................................................................................................................................................ 6 - 32
3.7.1 Major functions........................................................................................................................ 6 - 32
3.7.2 Reference diagram ................................................................................................................. 6 - 34
3.8 Electrical ......................................................................................................................................... 6 - 36