Table Of Contents - Epson AcuLaser C2800 Service Manual

Chapter 1 PRODUCT DESCRIPTION
1.1 Overview ............................................................................................................ 14
1.2 Product Specifications ........................................................................................ 15
1.2.1 Basic Specifications................................................................................. 15
1.2.2 Paper Specifications ................................................................................ 21
1.2.3 Replacement Parts ................................................................................... 24
1.2.4 Controller Specifications ......................................................................... 25
1.3 List of Printer Messages ..................................................................................... 27
1.4 Product Comparison ........................................................................................... 29
Chapter 2 OPERATING PRINCIPLES
2.1 Print Process Overview ...................................................................................... 31
2.2 Print Process Diagram ........................................................................................ 32
2.3 Technical Explanation of Print Process.............................................................. 33
2.3.1 Charging .................................................................................................. 33
2.3.2 Exposure .................................................................................................. 34
2.3.3 Development............................................................................................ 35
2.3.4 Transfer (Drum Æ Paper) ........................................................................ 36
2.3.5 Cleaning (Toner Cartridge) ..................................................................... 37
2.3.6 Discharging.............................................................................................. 38
2.3.7 Fusing ...................................................................................................... 39
2.3.8 Cleaning (Transfer Belt).......................................................................... 39
2.4 Paper Feed .......................................................................................................... 40
2.4.1 Paper Feed Path ....................................................................................... 40
2.4.2 Paper Feed Path Layout........................................................................... 40
2.5 Main Structures and Functions........................................................................... 41
2.5.1 Paper Cassette.......................................................................................... 41
2.5.2 Paper Feeder ............................................................................................ 43
2.5.3 MSI & Regi Assy .................................................................................... 44
2.5.4 Transfer Belt & Fuser .............................................................................. 47
2.5.5 ROS ASSY .............................................................................................. 49
2.5.6 Xerographics............................................................................................ 50
Contents
2.5.7 Drive ....................................................................................................... 52
2.5.8 Electrical ................................................................................................. 53
2.5.9 Duplex..................................................................................................... 55
2.5.10 550 Paper Feeder .................................................................................. 56
2.6 Mode .................................................................................................................. 59
2.6.1 Operating Modes..................................................................................... 59
2.7 Control ............................................................................................................... 60
2.7.1 Paper Size Control .................................................................................. 60
2.7.2 ROS Light Intensity Control................................................................... 61
2.7.3 Process Control ....................................................................................... 62
2.7.4 Color Registration Control...................................................................... 64
2.7.5 Fuser Control .......................................................................................... 65
2.8 Drive Transmission Path.................................................................................... 66
2.8.1 DRIVE ASSY MAIN ............................................................................. 66
2.8.2 TONER DISPENSER (Y, M, C, K) ....................................................... 69
2.8.3 DRIVE ASSY PH ................................................................................... 70
2.8.4 MOTOR ASSY DUP.............................................................................. 71
2.8.5 DRIVE ASSY OPT FDR........................................................................ 72
2.9 Features of the Controller .................................................................................. 73
2.9.1 Power Supply .......................................................................................... 75
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