Epson Stylus CX7300 Service Manual page 7

EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C
Chapter 4 DISASSEMBLY/ASSEMBLY
4.1 Overview ............................................................................................................. 91
4.1.1 Precautions.................................................................................................. 91
4.1.2 Tools ........................................................................................................... 92
4.1.3 Work Completion Check ............................................................................ 92
4.1.4 Procedural Differences between the Models .............................................. 94
4.2 Disassembly Procedures...................................................................................... 95
4.3 Removing the Housing ........................................................................................ 96
4.3.1 Paper Support Assy..................................................................................... 96
4.3.2 Stacker Assy ............................................................................................... 96
4.3.3 Document Cover/ASF Cover...................................................................... 97
4.3.4 Scanner Unit/Hinge .................................................................................... 98
4.3.5 Upper Housing/Card Slot Cover............................................................... 100
4.4 Removing the Circuit Boards ............................................................................ 101
4.4.1 Main Board Unit ....................................................................................... 101
4.4.2 Panel Unit/LCD Unit ................................................................................ 103
4.4.3 Power Supply Unit.................................................................................... 105
4.5 Disassembling the Printer Mechanism .............................................................. 107
4.5.1 Printhead ................................................................................................... 107
4.5.2 CR Scale ................................................................................................... 109
4.5.3 Hopper ...................................................................................................... 110
4.5.4 Removing the Printer Mechanism (Lower Housing)................................ 111
4.5.5 Left Frame ................................................................................................ 113
4.5.6 Front Frame/Right Frame ......................................................................... 114
4.5.7 Star Wheel Holder Assy ........................................................................... 116
4.5.8 EJ Roller ................................................................................................... 116
4.5.9 PF Encoder Sensor.................................................................................... 117
4.5.10 PF Scale .................................................................................................. 118
4.5.11 PF Motor ................................................................................................. 119
4.5.12 CR Motor ................................................................................................ 120
4.5.13 Main Frame Assy.................................................................................... 122
4.5.14 CR Unit................................................................................................... 124
4.5.15 Upper Paper Guide ................................................................................. 126
4.5.16 ASF Unit ................................................................................................. 126
4.5.17 Ink System Unit ...................................................................................... 128
4.5.18 Front Paper Guide................................................................................... 131
4.5.19 PF Roller ................................................................................................. 132
4.5.20 Waste Ink Pads ....................................................................................... 133
4.6 Disassembling the Scanner Unit........................................................................ 134
4.6.1 Upper/Front Scanner Housing .................................................................. 134
4.6.2 Scanner Carriage Unit .............................................................................. 135
4.6.3 Scanner Motor Unit .................................................................................. 138
4.7 Differences in Disassembling/Reassembling Stylus CX7300/TX200 series .... 139
4.7.1 Panel Unit (CX7300/TX200 series) ......................................................... 139
Chapter 5 ADJUSTMENT
5.1 Adjustment Items and Overview....................................................................... 142
5.1.1 Servicing Adjustment Item List................................................................ 142
5.1.2 Required Adjustments .............................................................................. 144
5.2 Using the Adjustment Program ......................................................................... 146
5.2.1 TOP Margin Adjustment .......................................................................... 146
5.2.2 First Dot Position Adjustment .................................................................. 146
5.2.3 Head Angular Adjustment ........................................................................ 147
5.2.4 Bi-D Adjustment....................................................................................... 148
5.2.5 PF Adjustment .......................................................................................... 148
5.2.6 PF Band Adjustment................................................................................. 150
5.2.7 Bottom Margin Adjustment...................................................................... 150
Chapter 6 MAINTENANCE
6.1 Overview ........................................................................................................... 152
6.1.1 Cleaning.................................................................................................... 152
6.1.2 Service Maintenance................................................................................. 152
6.1.3 Lubrication................................................................................................ 153
Chapter 7 APPENDIX
7.1 Exploded Diagram / Parts List .......................................................................... 159
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