Epson Stylus PHOTO RX640 Service Manual page 7

EPSON Stylus PHOTO RX640/650
4.2.7 Printhead ................................................................................................... 51
4.2.8 Linear Scale .............................................................................................. 52
4.2.9 Printer Mechanism .................................................................................... 53
4.3 Disassembly of Housing Lower Assy .............................................................. 54
4.3.1 Waste Ink Pads ......................................................................................... 54
4.3.2 Power Supply Board ................................................................................. 54
4.3.3 Stacker Assy ............................................................................................. 55
4.4 Disassembly of Scanner Unit ........................................................................... 57
4.4.1 Scanner Housing ....................................................................................... 57
4.4.2 CCD Unit (Scanner Unit) ......................................................................... 58
4.4.3 HP Sensor (Scanner Unit) ......................................................................... 58
4.4.4 CR Motor Unit .......................................................................................... 58
4.4.5 Disassembly of TPU Unit ......................................................................... 59
4.5 Disassembly and Assembly of Major Parts of Printer .................................. 61
4.5.1 PF Motor, PF Encoder and PF Scale ........................................................ 61
4.5.2 I/S Assy ..................................................................................................... 62
4.5.3 ASF Assy .................................................................................................. 63
4.5.4 APG Assy ................................................................................................. 64
4.5.5 CR Motor .................................................................................................. 65
4.5.6 Carriage Assy ............................................................................................ 66
4.5.7 Eject Frame Assy ...................................................................................... 68
4.5.8 Upper Paper Guides .................................................................................. 69
4.5.9 Paper Guide Front Assy ............................................................................ 70
Chapter 5 Adjustment
5.1 Overview ............................................................................................................ 72
5.1.1 Adjustment by Use of Adjustment Program (TBD) ................................. 72
5.1.2 PG Adjustment .......................................................................................... 73
5.1.3 Scanner Home Position Adjustment ......................................................... 75
5.1.4 Preparations for Use of the Adjustment Program ..................................... 75
5.1.5 Home Position Adjustment Procedure ...................................................... 76
Chapter 6 Maintenance
6.1 Overview ............................................................................................................ 78
6.1.1 Maintenance Error .................................................................................... 78
6.1.2 Cleaning .................................................................................................... 78
6.1.3 Lubrication ................................................................................................ 79
Chapter 7 Appendix
7.1 Connectors ........................................................................................................ 83
7.2 Component Layout ........................................................................................... 85
7.3 Electric Circuit Diagrams ................................................................................ 86
7.4 Exploded Diagrams .......................................................................................... 95
7.5 ASP Reference List ......................................................................................... 102
Revision A
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