
REV.-A
TABLE OF CONTENTS
CHAPTER 1.
GENERAL DESCRIPTION
CHAPTER 2.
OPERATION PRINCIPLES
CHAPTER 3.
DISASSEMBLY AND ASSEMBLY
CHAPTER 4.
ADJUSTMENTS
CHAPTER 5.
TROUBLESHOOTING
CHAPTER 6.
MAINTENANCE
APPENDIX
-
vi -
-
LG1-570/lo7cJ
1
-
SEIKO EPSON’s
2
-
Copyright 1991 by
2
-
1.2 SPECIFICATIONS
11
-
1.2.2 Firmware Specifications
17
-
(* 136-column)
18
-
1.3 INTERFACE OVERVIEW
22
-
1.5 DIP SWITCHES AND
26
-
JUMPER SETTING
26
-
Printer Initialization
29
-
1.6.9 Tear-off Function
31
-
OPERATION PRINCIPLES
37
-
Printhead
39
-
Mechanism
39
-
Figure 2-2. Carriage Movement
40
-
Push Tractor Method
42
-
MECHANISM
43
-
Rear entrance paper insertion
45
-
M“?.’?.TRACT”RA’S’”
46
-
● COMBINATION GEAR (3)
48
-
Figure 2-18. Data Flow
52
-
and Circuits
52
-
2.3.2 Reset Circuit
53
-
‘50~TEMp2
54
-
Figure 2-23
56
-
MOTOR, PF Drive Circuit
56
-
Drive Circuit
57
-
Figure 2-24
58
-
OF FIGURES
60
-
3.1 OVERVIEW
61
-
1.~lain washer
63
-
3.2.1 Changing the Printhead
65
-
Removing the Printer Case
66
-
Removing the Circuit Boards
67
-
GROUNDING WIRE
68
-
(* 136-column only)
68
-
‘“sH’Q~JD,pR,\\
73
-
COMPRESSION SPRING, 1300
76
-
SHAFT, RELEASE
76
-
‘.2/!:”::EMBLy(RIGHT)
79
-
Box Driver
83
-
BUSH, PARALLEL, ADJUST
83
-
Adjustment operation
85
-
4.3 CIRCUIT ADJUSTMENT
87
-
. No printing at
90
-
Check printhead
94
-
Terminal Assignment )
96
-
Wire Assignment )
96
-
5.3 REPAIR OF THE MAIN BOARD
102
-
Either ROM or
103
-
BOARD ASSY., MAIN (Cont.)
104
-
● Replace the plat
106
-
● Replace the
107
-
LIST OF TABLES
108
-
CHAPTER 6
108
-
MAINTENANCE
108
-
LIST OF FIGURES
108
-
6.1 PREVENTIVE MAINTENANCE
109
-
5 Oil pad
110
-
APPENDIX
113
-
CONNECTOR SUMMARY
115
-
I Signal Nama
117
-
Head data 11
118
-
“’T
120
-
Rectifier
121
-
,,~,$
122
-
,,----1;
124
-
2002850 00
126
-
Rafermwxi
130
-
Ref. No
131
-
A.5 CASE OUTLINE DRAWING
132
-
—------l
133
-
Printed in Japan
135
-
91 .09-.5-G
135
-
Addendum
136
-
LQ-570/1070
137
-
ActionPrinter
137
-
5000/5500
137
-
PRECAUTIONS
140
-
REVISION SHEET
143
-
TABLE OF CONTENTS
144
-
CHAPTER 1
145
-
GENERAL DESCRIPTION
145
-
1.1 FEATURES
147
-
Table 1-2. Optional Units
148
-
(LQ-1070)
148
-
1.2.1 Hardware Specifications
149
-
inch when using envelopes
150
-
1.2.2 Firmware
155
-
Specifications
155
-
LQ, proportional, condensed
158
-
1.3.1 Parallel Interface
160
-
1.4 CONTROL PANEL
162
-
1.5.1 DIP Switch Settings
164
-
1.5.2 Jumper Setting
165
-
1.6 OPERATING INSTRUCTIONS
166
-
1.6.4 Error Conditions
167
-
1.6.5 Buzzer Operation
167
-
1.6.6 Printer Initialization
167
-
1.6.7 Default Values
168
-
PAUSE or RUNNING
170
-
1.7 MAIN COMPONENTS
172
-
CHAPTER 2
175
-
OPERATION PRINCIPLES
175
-
2.1.1 Printhead Mechanism
177
-
Carriage
178
-
Movement
178
-
2.1.3 Paper Feed Mechanism
179
-
2.2 POWER SUPPLY OPERATION
187
-
2.3 CONTROL CIRCUIT OPERATION
189
-
191
-
--------IM
191
-
2.3.3 Sensor Circuits
192
-
2.3.4 MOTOR, CR Drive Circuit
193
-
2.3.6 Printhead Drive Circuit
195
-
2.3.7 EEPROM Control Circuit
196
-
CHAPTER 3
197
-
DISASSEMBLY AND ASSEMBLY
197
-
3.1.2 Tools
199
-
3.2 DISASSEMBLY AND ASSEMBLY
202
-
3.2.1 Changing the Printhead
203
-
ER, CONNECTOR, UPPER
204
-
FRAME, MAIN, RIGHT
209
-
MOTOR, PF
209
-
CABLE, HEAD, FRONT
209
-
CABLE, HEAD, REAR
209
-
Point to Note for Assembly
214
-
ASSY., PE, REAR
215
-
Left Frame
216
-
PRINTER MECHANISM (Bottom)
218
-
CHAPTER 4
219
-
ADJUSTMENTS
219
-
4.3.1 Adjustment Process
225
-
CHAPTER 5
226
-
TROUBLESHOOTING
226
-
5.1 OVERVIEW
227
-
A.1 CONNECTOR SUMMARY
253
-
C062 MAIN Board
258
-
CO62 PSB Board 2002849
260
-
C062 PSE Board 2002850
262
-
CO62 PNL Board
263
-
ASSY.2002849 00
265
-
CO62 PNL
267
-
ASSY 2002852 00
267
-
Figure A-16
271
-
Model-5E60 Exploded Diagram
271
-
switch
272
-
The LQ-570+/1070+
276
-
Appendix B
277
-
Epson LQ-570+/1070+
277
-
Appendix B. The LQ-570+/1070+
278
-
Faster Bit Image Print Speeds
279
-
Faster Paper Feed Speeds
279
-
Additional Scalable Fonts
279
-
Character Table Differences
280
-
LQ-570 LQ-570/1070+
281
-
Figure B-3. Data Flow
284
-
or Circuit
285
-
Location
285
-
Functions
285
-
Also controls various
285
-
Reset Circuit
286
-
Sensor Circuits
288
-
TMP90CO41
291
-
E05A50(ICll)
291
-
LQ-570/1070 Service
292
-
Figum B-11. Main
293
-
Boa&Assembly
293
-
Special Tool
294
-
Removing the C062 PNL Board
295
-
Adjustments
296
-
Troubleshooting
297
-
Error Codes
298
-
Indicator
298
-
Asdgnments
299
-
Reference Materials
300
-
Table B-13
301
-
Connector Summary
301
-
Figure B-16
306
-
Board Component Layout
306
-
Figure B-l 7
307
Comentarios a estos manuales