Epson FX-870/1170 User Manual Page 5
- Page / 181
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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How to Use this Manual
This manual contains the information that a service provider needs to support the Epson
FX-870/1170 printer.
0
It provides general information and specifications for the printer.
0
It tells you how to set up and configure the printer at a customer site.
.
If you encounter problems, the manual explains how to troubleshoot the printer, based
on the symptoms you are experiencing.
0
Once you have isolated the problem, the manual shows you how to take the printer
apart to remove any faulty component and replace it.
.
Then, the text describes how to adjust the printer.
l
The manual also provides a detailed discussion of the theory of operation.
.
There are schematics, circuit diagrams, exploded diagrams, and an index at the back of
the manual for quick reference.
The paragraphs below describe the contents of this manual in further detail.
1 Printer Features
Chapter 1 contains printer specifications, answers to a list of likely questions that custom-
ers may ask the servicer, an explanation and tables of control panel settings, and a brief
description of the major printer components.
2 Installation and Setup Procedures
This section lists site requirements for the printer. It describes how to unpack the printer,
connect it, power it up, and test it.
The text describes the printer interfaces, and gives
signal tables and serial cable configurations. Finally, this section tells you what the cus-
tomer needs to do to avoid problems and achieve maximum printer life.
3 Troubleshooting
This section begins with quick reference tables for the printer’s test points. The chapter
also provides an explanation of what each error code means, flowcharts that walk you
through the troubleshooting of various problems, an illustration of connector locations, and
illustrations of sensor locations.
You can use the set of troubleshooting tables and flowcharts to isolate the problem as far as
possible.
If you encounter problems using
software,
the
!Z’roubZeshooting
section lists supported
Epson ESC/P control codes and symbol sets. There are tips for graphics handling and an
explanation of how to read hex dump printouts.
Epson
FX-87W1170
- 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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