Epson Stylus Color 660 Service Manual Page 54
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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EPSON Stylus COLOR 670 Revision A
Troubleshooting Unit Level Troubleshooting 54
3.2 Unit Level Troubleshooting
You can identify the troubles, using flowcharts in this section and then find
defective unit. When you find out defective unit, refer to “Unit Repair (Printer
Mechanism)” to find defective components and replace them.
Table 3-3. LED Indicators
Condition
LED Indication
Remedy
Power
Paper
Check
Ink End
(Black)
Ink End
(Color)
No Paper -- On -- -- Set paper
Paper Jam -- Blink Off Off Remove jammed paper
Ink End /
No Cartridge
(black)
-- -- On --
Close the cartridge
cover properly or
replace the ink
cartridge with new
one.
Ink End /
No Cartridge
(color)
-- -- -- On
Close the cartridge
cover properly or
replace the ink
cartridge with new
one.
Ink Low
(black)
-- -- Blink --
Replace he ink
cartridge with new
one.
Ink Low
(color)
-- -- -- Blink
Replace he ink
cartridge with new
one.
Maintenance
Request
Blink Blink Blink Blink
Replace the waste ink
pad and reset the
waste ink counter
stored in EEPROM.
Fatal Error Blink Blink On On
Turn off and back on
the printer. If the
problem still remains,
repair the related units.
Table 3-4. Top-Level Troubleshooting
Symptom Problem Flowchart No.
Printer does not operate
at power on.
LEDs do not light.
Printer mechanism does not
operate.
Flowchart 3-1
Error is detected Error is indicated by LED indication. Flowchart 3-2
Failure occurs during
printing.
Printing is not performed.
Abnormal printing (dot missing, etc.)
Print quality is poor.
Flowchart 3-3
Printer does not feed
paper correctly.
No paper is fed.
Paper feed is irregular.
Paper jam occurs.
Flowchart 3-4
Control panel operation
is abnormal.
No response to button access. Flowchart 3-5
- 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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