Service manual

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
8
Confidential
4.2.7 M/B Cover............................................................................................... 74
4.2.8 Waste Ink Tray Assy ............................................................................... 74
4.2.9 Middle Housing....................................................................................... 75
4.3 Removing the Circuit Boards............................................................................. 78
4.3.1 Main Board Unit...................................................................................... 78
4.3.2 Panel Board ............................................................................................. 81
4.3.3 Power Supply Board................................................................................ 83
4.4 Disassembling the Printer Mechanism ............................................................... 85
4.4.1 Printhead.................................................................................................. 85
4.4.2 Linear Scale............................................................................................. 87
4.4.3 Printer Mechanism................................................................................... 88
4.4.4 PF Encoder/PF Scale ............................................................................... 90
4.4.5 PF Motor.................................................................................................. 91
4.4.6 Ink System Unit....................................................................................... 92
4.4.7 ASF Unit.................................................................................................. 93
4.4.8 APG Unit................................................................................................. 95
4.4.9 CR Motor................................................................................................. 96
4.4.10 CR Unit.................................................................................................. 98
4.4.11 Paper Eject Frame Assy....................................................................... 100
4.4.12 Upper Paper Guides............................................................................. 102
4.4.13 Front Paper Guide Assy....................................................................... 104
4.4.14 Waste Ink Pads .................................................................................... 105
4.5 Disassembly of Scanner Unit ........................................................................... 106
4.5.1 Scanner Housing.................................................................................... 106
4.5.2 CIS Unit................................................................................................. 107
4.5.3 CR Motor Unit....................................................................................... 108
Chapter 5 ADJUSTMENT
5.1 Adjustment Items and Overview...................................................................... 111
5.1.1 Servicing Adjustment Item List............................................................. 111
5.1.2 Required Adjustments ........................................................................... 114
5.2 Adjustment by Using Adjustment Program ..................................................... 116
5.2.1 Top Margin Adjustment ........................................................................ 116
5.2.2 Head angular adjustment ....................................................................... 116
5.2.3 Bi-D Adjustment ................................................................................... 117
5.2.4 PW Adjustment/First Dot Position Adjustment .................................... 118
5.2.5 PF Adjustment....................................................................................... 119
5.3 PG Adjustment ................................................................................................. 120
5.4 Banding Reduction System (BRS) Adjustment/Paper Feed Amount Profile (PFP)
Correction................................................................................................................ 122
5.4.1 Overview ............................................................................................... 122
5.4.2 Adjustment Procedure ........................................................................... 124
5.5 Scanner Original Adjustment........................................................................... 127
Chapter 6 MAINTENANCE
6.1 Overview .......................................................................................................... 131
6.1.1 Maintenance Error................................................................................. 131
6.1.2 Cleaning................................................................................................. 131
6.1.3 Lubrication ............................................................................................ 132
Chapter 7 APPENDIX
7.1 Exploded Diagram / Parts List ......................................................................... 139
Chapter 8 Epson Stylus Photo PX660/PX660 Premium/Artisan 635
8.1 Overview .......................................................................................................... 141
8.2 Disassembly/assembly...................................................................................... 142
8.2.1 Procedural Differences between the Models......................................... 142
8.2.2 Disassembly Procedures........................................................................ 144
8.3 Adjustment ....................................................................................................... 157
8.3.1 Overview ............................................................................................... 157
8.3.2 Required Adjustments ........................................................................... 158
8.3.3 Touch Panel Calibration........................................................................ 160
8.3.4 Touch Panel Operation Check............................................................... 160
8.3.5 Overview Artisan 635 ........................................................................... 163
8.3.6 USB Interface Epson Stylus Photo PX660/PX660 Premium/Artisan 635...
163
8.3.7 Memory Card Slots Epson Stylus PX660/PX660 Premium ................. 164
8.3.8 Memory Card Slots Artisan 635........................................................... 165
8.3.9 Electrical Specifications ................................... 166