Table Of Contents - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N
Chapter 1 Product Description
1.1 Product Specifications ...................................................................................... 20
1.1.1 Basic Specifications .................................................................................. 20
1.1.2 Paper Specifications .................................................................................. 25
1.1.3 Replacement Parts .................................................................................... 28
1.1.4 Controller Specifications .......................................................................... 29
1.2 List of Printer Messages ................................................................................... 30
Chapter 2 Operating Principles
2.1 Overview ............................................................................................................ 34
2.1.1 Overview of the Electrophotographic Printing ......................................... 34
2.2 Print Data Flow ................................................................................................. 37
2.3 Driving Force Trasmission Route ................................................................... 38
2.3.1 Main Unit .................................................................................................. 38
2.3.2 OPTION FEEDER .................................................................................... 41
2.3.3 Duplex Unit .............................................................................................. 42
2.3.4 OCT .......................................................................................................... 42
2.4 Paper Transport ............................................................................................... 43
2.4.1 Paper Feeding Route ................................................................................. 43
2.4.2 Paper Feeding Route Layout .................................................................... 44
2.5 Functions of Major Components .................................................................... 45
2.5.1 Various Sensors ........................................................................................ 45
2.5.2 PAPER CASSETTE ................................................................................. 46
2.5.3 PAPER FEEDER ...................................................................................... 48
2.5.4 XERO ....................................................................................................... 49
2.5.5 FUSER ...................................................................................................... 51
2.5.6 500 PAPER EXIT & FACE UP TRAY ................................................... 52
2.5.7 DRIVE ...................................................................................................... 53
2.5.8 ELECTRICAL .......................................................................................... 54
2.5.9 OPTION FEEDER .................................................................................... 55
Contents
2.5.10 DUPLEX ................................................................................................ 56
2.5.11 OCT ....................................................................................................... 57
2.6 Control ............................................................................................................... 59
2.6.1 Paper Size Control .................................................................................... 59
2.6.2 ROS Control ............................................................................................ 59
2.6.3 Fuser Control ............................................................................................ 60
2.7 Operating Principles of Electric Circuitry ..................................................... 61
2.7.1 Operation Overview of the Main Control Circuit Board .......................... 61
Chapter 3 Troubleshooting
3.1 Overview ............................................................................................................ 64
3.1.1 Specified Tools ......................................................................................... 64
3.1.2 Procedure for Troubleshooting ................................................................. 64
3.1.3 Preliminary Checks ................................................................................... 65
3.1.4 Precautions in Performing Work .............................................................. 65
3.1.5 Notes on Troubleshooting ........................................................................ 66
3.1.6 Mechanical Controller Test Printing Function ......................................... 67
3.1.7 Details of Error Messages and Solutions .................................................. 68
3.1.8 Service Call Errors .................................................................................... 70
3.2 Troubleshooting When There is Error Display ............................................. 72
3.2.1 NVRAM Error ......................................................................................... 73
3.2.2 ROS Error ................................................................................................. 73
3.2.3 Fuser Error ................................................................................................ 73
3.2.4 FAN Error ................................................................................................. 74
3.2.5 Main Motor Error ..................................................................................... 75
3.2.6 Engine communication error (AcuLaser M4000N only) ......................... 75
3.2.7 Cover Error ............................................................................................... 76
3.2.8 Paper Jam/Regi to Fuser ........................................................................... 76
3.2.9 Paper Jam/Exit .......................................................................................... 78
3.2.10 Paper Jam/Tray to Regi .......................................................................... 79
3.2.11 Paper Jam/Misfeed ................................................................................. 81
Revision C
13
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