Epson Stylus Photo PX660 Service Manual Page 35
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- Table of contents
- TROUBLESHOOTING
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Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
OPERATING PRINCIPLES Overview 35
Confidential
2.1 Overview
This section describes the operating principles of the printer mechanism of Epson
Stylus Photo PX650/TX650/TX659/PX660/PX660 Premiun/Artisan 635.
2.1.1 Printer Mechanism
The printer mechanism of this product consists of the printhead, carriage mechanism,
paper loading mechanism, paper feed mechanism, and the ink system.
As the conventional models, this product is equipped with two DC motors; one is used
to drive the paper loading and paper feed mechanisms, and also the pump mechanism
that includes the carriage lock mechanism. The other one is used to drive the carriage
mechanism. Paper is fed from the rear at the ASF unit with the LD roller and Retard
roller, and ejected to the front at the tray.
Figure 2-1. Schematic Printer Mechanism
C H E C K
P O I N T
Description in this chapter is applied to Epson Stylus Photo PX650/
TX650/TX659/PX660/PX660 Premiun/Artisan 635.
PF Motor
CR Motor
CR Encoder
PE Sensor
PF Roller Shaft
APG Sensor
PF Encoder
APG Unit
I/S Assy
CR Lock Lever
Cap Assy
CR Guide Shaft
Eject Roller Shaft
CR Lock Lever
CR Assy
PW Sensor
Case Open
Sensor
CD-R Guide
Sensor
CD-R Tray
Sensor
ASF Unit
LD Roller
Retard Roller
Printhead
- SERVICE MANUAL 1
- PRECAUTIONS 3
- About This Manual 4
- Revision Status 5
- CONTENTS 7
- Chapter 5 ADJUSTMENT 8
- Chapter 6 MAINTENANCE 8
- Chapter 7 APPENDIX 8
- PRODUCT DESCRIPTION 9
- 1.1 Features 10
- 1.2 Printing Specifications 11
- 1.2.3 Print Mode 12
- 1.2.4 Supported Paper 14
- 1.3 Scanner Specifications 16
- 1.4 General Specifications 17
- 1.5 Interfaces 18
- 1.5.2 Memory Card Slots 19
- 1.6 Control Panel 20
- 1.7.1.4 Copy Speed 22
- 1.7.3 Backup Function 26
- 1.7.3.2 Backup Errors 27
- 1.7.4.1 Available DSC 28
- 1.7.5.2 Specialty Print Mode 31
- 1.7.6 Setup Mode 32
- OPERATING PRINCIPLES 34
- 2.1 Overview 35
- 2.1.2 Motors and Sensors 36
- 2.1.3 Printhead 37
- CR lock CR 38
- (Continue to the next page) 38
- 2.3 Printer Initialization 40
- TROUBLESHOOTING 41
- 3.1 Overview 42
- 3.2.2 Warning List 44
- Is any of the connectors 58
- Grease is applied 58
- Disconnect the connector 58
- DISASSEMBLY AND ASSEMBLY 60
- W A R N I N G 61
- 4.2.1 Paper Support Assy 64
- 4.2.2 Stacker Cover 64
- Upper Housing 68
- Scanner Unit 68
- 4.2.5 Scanner Unit 69
- 4.2.6 Panel Unit 72
- 4.2.7 M/B Cover 74
- 4.2.8 Waste Ink Tray Assy 74
- 4.2.9 Middle Housing 75
- 4.3.1 Main Board Unit 78
- 4.3.2 Panel Board 81
- 4.3.3 Power Supply Board 83
- 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
- Confidential 100
- 4.4.12 Upper Paper Guides 102
- 4.4.14 Waste Ink Pads 105
- 4.5.1 Scanner Housing 106
- 4.5.2 CIS Unit 107
- 4.5.3 CR Motor Unit 108
- ADJUSTMENT 110
- C H E C K 111
- P O I N T 111
- Table 5-1. Adjustment Items 112
- Table 5-2. Maintenance Items 113
- 5.1.2 Required Adjustments 114
- 5.2.1 Top Margin Adjustment 116
- 5.2.3 Bi-D Adjustment 117
- Area where A and B overlap 118
- -2 -1 0 1 2 3-3 119
- C A U T I O N 120
- Locating hole 120
- ADJUSTMENT PG Adjustment 121 121
- 5.4.1 Overview 122
- 5.4.2 Adjustment Procedure 124
- 5.4.2.2 PFP Adjustment 125
- Original Adjustment Jig 127
- MAINTENANCE 130
- 6.1 Overview 131
- 6.1.3 Lubrication 132
- Overview 133 133
- LUBRICATION OF DRIVEN PULLEY 133
- MAINTENANCE Overview 135 135
- Overview 136 136
- LUBRICATION OF ASF UNIT 136
- Overview 137 137
- LUBRICATION OF SCANNER UNIT 137
- APPENDIX 138
- 8.1 Overview 141
- 8.2 Disassembly/assembly 142
- 8.2.2.1 Scanner Unit 145
- 8.2.2.2 Panel Unit 148
- 8.2.2.3 Main Board Unit 150
- 8.2.2.4 Printer Mechanism 153
- 8.2.2.5 CR Unit 155
- 8.3 Adjustment 157
- 8.3.2 Required Adjustments 158
- (1) Keep pressing these 161
- Follow the instruction and 162
- 8.3.5 Overview Artisan 635 163
- (ISO/IEC24712 pattern) 166
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