Epson FX-870/1170 User Manual Page 145
- Page / 181
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- FX-870/1170 1
- FCC Compliance Statement 2
- Copyright Notice 3
- Trademarks 3
- Precautions 4
- How to Use this Manual 5
- EptmnFX-870/1170 6
- Numbers and Addresses 7
- Contents 8
- Removing the Panel Unit 9
- Printer Features 10
- List of Figures 11
- List of Tables 11
- 80-column model 14
- 136-column model 14
- Hardware Specifications 15
- FX-8700170 20
- 0.12” (3.0 mm) or more 22
- EpsonFX-870/1170 22
- Epson FX-8700170 24
- Interfaces 25
- Control Panel 29
- Default Settings 32
- Position 1 (3rd step) 37
- Printer Initialization 38
- Table 1-21. Buzzer Functions 39
- Main Components 40
- ,,DAld-lfil-l 41
- Epson FX-87011170 42
- Housing Assembly 44
- Chapter 2 48
- Site Requirements 49
- The Correct Power On Sequence 49
- Parallel Cables 50
- Serial Cables 50
- Serial Cable 51
- Tips to Increase Printer Life 52
- Troubleshooting 53
- Troubleshooting 3 54
- Table 3-2. Sensor Test Points 55
- Error Codes 58
- Problem Isolation 59
- Serial Communications Errors 60
- Possible Cause 61
- 3-10 Epson 63
- Self-Test 66
- Chart 6. Data 68
- Host is Printed Incorrectly 68
- FX-870/i 70
- Connector Locations 71
- Sensor Locations 72
- Figure 3-5. Platen Gap Sensor 73
- Disassembly and Assembly 78
- Disassembly and Assembly 4 80
- Service Checks After Repair 81
- Screw Specifications 82
- Removing the Printhead 86
- Removing the 87
- Insertion 93
- Printer Mechanism 97
- Arranging the Cables 100
- Disassembly 103
- Assembly 103
- Epson FX-870/1170 103
- Adjustments, Maintenance, and 105
- Lubrication 105
- Platen Gap Adjustment 106
- Preventive Maintenance 110
- Table 5-2. Lubrication Points 111
- Principles of Operation 113
- Carriage Mechanism 118
- Paper Handling Mechanisms 120
- Ribbon Advance Mechanism 133
- Power Supply Operation 134
- Pfinciples of Operation 135
- Secondary 136
- Control Circuit Operation 137
- E05A66YA (IC4) 139
- FX-87W1170 139
- Sensor Circuits 141
- Carriage Motor Drive Circuit 142
- Printhead Drive Circuit 144
- Parallel Interface Circuit 144
- PROM Control Circuit 145
- CH1=50V TIME=2ps 146
- Reference Materials 153
- Reference Materials 7 154
- Circuit Diagrams 158
- Circuit Diagram 159
- C076 PSB Power Supply Board 160
- CO76 PSB Power Supply Board 161
- Figure 7-6 162
- Figure 7-7 163
- Outline Drawings 166
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