Epson EPL-5700 Service Manual page 7

OPERATING PRINCIPLES
2.1 OPERATING PRINCIPLES OF MECHANISM............................................................................................................2-1
2.1.1 Overview.......................................................................................................................................................................................... 2-1
2.1.2 Paper Path ....................................................................................................................................................................................... 2-2
2.1.3 Paper Feed Mechanism.................................................................................................................................................................. 2-3
2.1.3.1 Paper Feed Operation........................................................................................................................................................... 2-3
2.1.3.2 Paper Empty Sensor ................................................................................................................................................................2-4
2.1.4 Second Paper Feed Unit(Option)......................................................................................................................................................2-4
2.1.4.1 Mechanism ...............................................................................................................................................................................2-4
2.1.4.2 Paper Empty Sensor ................................................................................................................................................................2-5
2.1.4.3 Cassette Type Sensor..............................................................................................................................................................2-5
2.1.5 Laser Exposure..................................................................................................................................................................................2-6
2.1.5.1 Sub Scanning Direction(Vertical scanning direction)................................................................................................................2-6
2.1.5.2 Main Scanning Direction(Horizontal scanning direction) ..........................................................................................................2-7
2.1.5.3 Printable Area ..........................................................................................................................................................................2-7
2.1.6 Charging Process ..............................................................................................................................................................................2-7
2.1.6.1 Overview (Refer to Figure2-9 on the next page) ......................................................................................................................2-7
2.1.6.2 Cleaning OPC drum .................................................................................................................................................................2-8
2.1.7 Developing .........................................................................................................................................................................................2-9
2.1.7.1 Overview ..................................................................................................................................................................................2-9
2.1.7.2 Function of each parts in the development part .......................................................................................................................2-9
2.1.8 Transfer Process .............................................................................................................................................................................2-10
2.1.8.1 Overview ................................................................................................................................................................................2-10