Epson Stylus Photo RX700 Service Manual page 7

EPSON Stylus Photo RX700
2.3.2 Features ..................................................................................................... 43
2.3.3 Main Board ............................................................................................... 44
2.3.3.1 Outline of the Main Board ................................................................. 44
2.3.3.2 Environmental Conditions ................................................................. 44
2.3.3.3 Power Supply Specifications ............................................................. 44
2.3.3.4 Main Board Circuit Configuration (Printer and Common Section) .. 45
2.3.3.5 Main Board Circuit Configuration (Card Section) ............................ 46
2.3.3.6 Main Board Circuit Configuration (Scanner Section) ....................... 47
2.3.4 Panel Board ............................................................................................... 47
2.3.5 Power Supply Board ................................................................................. 48
2.3.5.1 Circuit Constitution ........................................................................... 48
2.3.5.2 Input and Output Specifications ........................................................ 48
2.3.5.3 General Specifications ....................................................................... 50
Chapter 3 Troubleshooting
3.1 Overview ............................................................................................................ 52
3.1.1 Specified Tools ......................................................................................... 52
3.1.2 Preliminary Checks ................................................................................... 52
3.1.3 Procedure for Troubleshooting ................................................................. 53
3.1.4 Error List ................................................................................................... 54
3.1.5 Warning List ............................................................................................. 57
3.1.6 FATAL Error ............................................................................................ 59
3.2 Troubleshooting for Printer ............................................................................ 65
3.3 Power Supply Related Troubleshooting ......................................................... 69
3.4 Ink Supply Related Troubleshooting .............................................................. 70
3.5 I/F Related Troubleshooting ............................................................................ 72
3.6 Troubleshooting for Scanner ........................................................................... 73
Troubleshooting for Motors and Sensors ............................................... 75
3.7
Chapter 4 Disassembly and Assembly
4.1 Overview ............................................................................................................ 77
4.1.1 Precautions ................................................................................................ 77
4.1.2 Tools ......................................................................................................... 78
4.1.3 Preparation before Disassembly ............................................................... 78
4.1.4 Disassembly and Reassembly Procedure .................................................. 79
4.2 Removal of Exterior Parts ............................................................................... 80
4.2.1 Panel Assy ................................................................................................ 80
4.2.1.1 LCD Assy .......................................................................................... 81
4.2.1.2 Disassembly of LCD Assy ................................................................ 81
4.2.1.3 Disassembly of Panel Assy ............................................................... 82
4.2.2 Scanner Unit ............................................................................................. 83
4.2.3 Pressure Pump Assy ................................................................................. 85
4.2.4 Main Board Unit ....................................................................................... 86
4.2.5 Middle Housing ........................................................................................ 88
4.2.6 Linear Scale .............................................................................................. 91
4.2.7 Printhead ................................................................................................... 92
4.2.8 Valve Assy (Including Ink Tube Assy) .................................................... 94
4.3 Disassembly of Scanner Unit ........................................................................... 96
4.3.1 Disassembly Procedure for Scanner Unit ................................................. 96
4.3.2 Scanner Housing ....................................................................................... 97
4.3.3 HP Board .................................................................................................. 98
4.3.4 Carriage Cover Assy ................................................................................. 98
4.3.5 CR Motor Unit .......................................................................................... 99
4.3.6 CCD Unit (Carriage Unit Assy) ............................................................. 100
4.3.7 Disassembly of TPU Assy ...................................................................... 101
4.4 Disassembly and Assembly of Major Parts of Printer ................................ 102
4.4.1 ASF Rear Assy ....................................................................................... 103
4.4.2 I/C Holder Assy ...................................................................................... 105
4.4.3 Waste Ink Pads (I/C Holder Assy) ......................................................... 106
4.4.4 Printer Mechanism .................................................................................. 107
4.4.5 Power Supply Board ............................................................................... 109
4.4.6 Waste Ink Pads (Lower Case) ................................................................ 110
4.4.7 APG Assy ............................................................................................... 111
4.4.8 Ink System Assy ..................................................................................... 112
4.4.9 ASF Drive Assy ...................................................................................... 113
4.4.10 Rear Paper Guide Assy ......................................................................... 114
4.4.11 CR Motor .............................................................................................. 115
4.4.12 Carriage Assy ....................................................................................... 116
4.4.12.1 Assembly of Carriage Assy ........................................................... 117
4.4.12.2 Disassembly of Carriage Assy ...................................................... 118
4.4.13 Paper Guide Front Assy (Platen) .......................................................... 119
4.4.14 Waste Ink Pads (Platen Area) ............................................................... 120
4.4.15 Release Assy ......................................................................................... 121
4.4.16 PE Sensor Assy ..................................................................................... 122
4.4.17 Upper Paper Guides .............................................................................. 123
Revision A
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