Epson Stylus Color 660 Service Manual download pdf (Page 127)

EPSON Stylus COLOR 670 Revision A

Maintenance Overview 127

No.1

No.2

No.3

Upper Frame

No.11

Spur Gear 34

No.4

Spur Gear 67.2

Combination Gear 16.40.8

No.4

Spur Gear 23.2

No.5

Combination Gear 16, 40.8 Shaft

No.4

Combination Gear 3, 30

No.6

Bush 12 Inside

No.7

Bushing 6 Shaft Receiver

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 151 152

SERVICE MANUAL 1
PRECAUTIONS 3
About This Manual 4
Contents 4
Symbols Used in This Manual 5
Revision Status 6
Operating Principles 8
Troubleshooting 8
Disassembly and Assembly 8
Adjustment 9
Maintenance 9
Appendix 9
PRODUCT DESCRIPTION 10
1.1 Overview 11
1.2 Basic Specifications 12
1.2.4 Electric Specification 13
1.2.6 Reliability 14
1.2.7 Safety Approvals 14
1.2.8 Acoustic noise 14
1.3 Interface 15
Pin #1Pin #2 19
Pin #3 Pin #4 19
1.3.4.2 Interface Selection 20
1.3.4.3 IEEE 1284.4 protocol 20
1.3.5.1 Control codes 21
1.4.2.1 Switches 22
1.4.6 Printer Initialization 23
1.4.7 Errors 24
1.4.8 Paper Handling 24
1.4.9 Paper Specification 24
1.4.10.1 Cut Sheet 26
1.4.10.2 Envelope 27
1.4.11 Ink Cartridge 28
1.5 Physical Specification 29
1.6 Accessories 29
OPERATING PRINCIPLES 30
2.1 Overview 31
2.1.2 Printhead 33
2.1.2.1 Printing Process 34
2.1.2.2 Printing Method 35
2.1.3 Carriage Mechanism 36
PF Roller 37
Hopper Spring 39
Pad Spring 39
Tube squeezed 40
Tube released 40
2.1.7 Capping Mechanism 41
2.1.8 Ink Sequence 42
2.2.1 C301PSB/PSE Board 43
TRANS(T1) 44
2.2.2 C301MAIN Board 45
2.2.2.1 Main elements 46
E05B 70**(IC 2) 47
2.2.2.5 Reset Circuit 49
2.2.2.7 Sensor Circuit 51
TROUBLESHOOTING 52
3.1 Overview 53
Table 3-3. LED Indicators 54
3.2.2 Error is detected 55
Flowchart 3-3 56
Flowchart 3-4 56
Flowchart 3-5 57
DISASSEMBLY AND ASSEMBLY 66
4.1 Overview 67
W ARNING 68
4.1.2 Tools 69
4.1.3 Work Completion Check 70
4.2 Disassembly 71
4.2.1 Housing Removal 72
Cable Holders 73
ADJUSTMENT 74
REQUIRED 74
4.2.3 Control Panel Removal 75
Waste Ink Pad Assembly 76
Securing Screw 76
4.2.5.1 Printhead Removal 77
Head Fastener 77
Printhead 77
Torsion Spring 49 77
Viewed from front 78
Viewed from back 78
Pump Assembly 80
Combination Gear 6, 34.4 83
C Ring 6.1 x 0.5 x 9.0 83
Cable Direction 84
4.2.5.5 ASF Assembly Removal 85
ASF Left Protrusion 86
Installation Point 86
Head FFC 86
ASF Assembly 86
Right Hopper Release Lever 87
ASF HP Detection Wheel 87
Left ASF LD Roller 87
Fixing Bushing 87
Right LD Roller 89
Compression Spring 1.961 91
Screw Fixing Hooks 91
4.2.5.8 CR Assembly Removal 93
PE Sensor Lever Head 95
Left Bushing 12 97
Shift this toward the left 97
Front Side of the Printer 97
Right Upper Paper Guide 97
Sensor Securing Hook 98
CR HP Sensor 98
5.1 Overview 100
Put the gauge on a flat 101
Adjustment Adjustment 102 102
5.3.2 Adjustment Program 103
5.3.4 Check This Model Name 106
5.3.5 Head ID Input 107
5.3.7 Bi-D Adjustment 112
5.3.8 USB ID Input 115
TO ONLY CHECK THE USB ID 116
5.3.9 Head Cleaning 117
5.3.10 Initial Ink Charge 118
MAINTENANCE 122
6.1 Overview 123
6.1.2 Service Maintenance 124
6.1.3 Lubrication 125
Maintenance Overview 126 126
Maintenance Overview 127 127
Maintenance Overview 128 128
APPENDIX 129
7.1 Connector Summary 130
Table 7-8. Connector CN10 132
Table 7-9. Connector CN11 132
Table 7-10. Connector CN12 132
7.1.2 EEPROM Address Map 133
7.2 Component Layout 137
Appendix Component Layout 138 138
7.3 Exploded Diagram 139
REV.01 10189 140
REV.01 10189 141
7.4 Parts List 143
Appendix Parts List 144 144
Appendix Parts List 145 145
Appendix Parts List 146 146
Appendix Parts List 147 147
C301 MAIN Control Circuit 148
C301 PSB Power Supplu Circuit 148
C301 PSE Power Supply Circuit 148
C209PNL Circuit 148

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Epson Stylus Color 660 Service Manual Page 127

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