Epson FX-870/1170 User Manual Page 51
- Page / 181
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Installation and Setup
The cable configuration for connecting the printer serially to a 25-pin (XT-type) computer
connector is shown in the figure below.
PtiIltff
side
25pin
to
25pin
Serial Cable
Computer
1 FGND,
,l
FGND
:~.-x,xl
5
CTS
4
,5
CTS
6 DSR
4
+6
DSR
Figure 2-2. Serial Cable Configuration to a
25Pin
Computer Connector
-
Checking the Printer with the Computer
The paragraphs below describe ways to check the computer’s connection to the printer. If
you have problems after performing these checks, see Chapter 3,
Troubleshooting.
Parallel Connection to an MS-DOS Computer
Once you have connected the printer to the computer, you can test the connection by send-
ing a print screen to the printer. (At the MS-DOS prompt, type
DIR
and press
Enter.
Then
press
Print Screen
or
Shift+Print Screen.)
If the printer does not respond, try modifying the MS-DOS MODE command. From the
MS-DOS directory, type the following command and press
Enter:
MODE
LPTn,,P
In this command,
n
represents the port you are sending data through (typically
LPTl
or
LPTB)
and P specifies unlimited retries for time-out errors. The computer will respond with
the message:
Resident
portion
of
MODE
loaded
Infinite
retry
on
parallel
printer
time-out
Epson
FX-870/1170
2-3
- 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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