Epson Stylus CX7400 Service-Handbuch - Seite 7
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EPSON Stylus CX7300/CX7400/DX7400/CX8300/CX8400/DX8400
Chapter 4 DISASSEMBLY/ASSEMBLY
4.1 Overview ............................................................................................................. 98
4.1.1 Precautions.................................................................................................. 98
4.1.2 Tools ........................................................................................................... 98
4.1.3 Work Completion Check ............................................................................ 99
4.1.4 Procedural Differences between the Models ............................................ 100
4.2 Disassembly Procedures.................................................................................... 101
4.3 Removing the Housing ...................................................................................... 102
4.3.1 Paper Support Assy................................................................................... 102
4.3.2 Stacker Assy ............................................................................................. 102
4.3.3 Document Cover/ASF Cover.................................................................... 103
4.3.4 Scanner Unit/Hinge .................................................................................. 104
4.3.5 Upper Housing/Card Slot Cover............................................................... 106
4.4 Removing the Circuit Boards ............................................................................ 107
4.4.1 Main Board Unit ....................................................................................... 107
4.4.2 Panel Unit/LCD Unit ................................................................................ 109
4.4.3 Power Supply Unit.................................................................................... 111
4.5 Disassembling the Printer Mechanism .............................................................. 113
4.5.1 Printhead ................................................................................................... 113
4.5.2 CR Scale ................................................................................................... 115
4.5.3 Hopper ...................................................................................................... 116
4.5.4 Removing the Printer Mechanism (Lower Housing)................................ 117
4.5.5 Left Frame ................................................................................................ 119
4.5.6 Front Frame/Right Frame ......................................................................... 120
4.5.7 Star Wheel Holder Assy ........................................................................... 122
4.5.8 EJ Roller ................................................................................................... 122
4.5.9 PF Encoder Sensor.................................................................................... 123
4.5.10 PF Scale .................................................................................................. 124
4.5.11 PF Motor ................................................................................................. 124
4.5.12 CR Motor ................................................................................................ 126
4.5.13 Main Frame Assy.................................................................................... 127
4.5.14 CR Unit................................................................................................... 130
4.5.15 Upper Paper Guide ................................................................................. 131
4.5.16 ASF Unit ................................................................................................. 132
4.5.17 Ink System Unit ...................................................................................... 133
4.5.18 Front Paper Guide................................................................................... 136
4.5.19 PF Roller ................................................................................................. 137
4.5.20 Waste Ink Pads ....................................................................................... 138
4.6 Disassembling the Scanner Unit........................................................................ 139
4.6.1 Upper/Front Scanner Housing .................................................................. 139
4.6.2 Scanner Carriage Unit .............................................................................. 140
4.6.3 Scanner Motor Unit .................................................................................. 143
4.7 Differences in Disassembling/Reassembling Stylus CX7300/CX7400/DX7400. 144
4.7.1 Panel Unit (CX7300/CX7400/DX7400) .................................................. 144
Chapter 5 ADJUSTMENT
5.1 Adjustment Items and Overview....................................................................... 147
5.1.1 Servicing Adjustment Item List................................................................ 147
5.1.2 Required Adjustments .............................................................................. 149
5.2 Using the Adjustment Program ......................................................................... 151
5.2.1 TOP Margin Adjustment .......................................................................... 151
5.2.2 First Dot Position Adjustment .................................................................. 151
5.2.3 Head Angular Adjustment ........................................................................ 152
5.2.4 Bi-D Adjustment....................................................................................... 153
5.2.5 PF Adjustment .......................................................................................... 153
5.2.6 PF Band Adjustment................................................................................. 154
5.2.7 Bottom Margin Adjustment...................................................................... 155
Chapter 6 MAINTENANCE
6.1 Overview ........................................................................................................... 157
6.1.1 Cleaning.................................................................................................... 157
6.1.2 Service Maintenance................................................................................. 157
6.1.3 Lubrication................................................................................................ 158
Chapter 7 APPENDIX
7.1 Exploded Diagram / Parts List .......................................................................... 164
7.2 Electrical Circuits .............................................................................................. 164
Revision A
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