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Epson 440 User Manual Page 42
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Table of contents
TROUBLESHOOTING
BOOKMARKS
Rated
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/ 5. Based on
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OPERATING PRINCIPLES
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2
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1
PRECAUTIONS
3
REVISION STATUS
5
Product Description
6
Operating Principles
6
Troubleshooting
6
Disassembly and Assembly
6
Appendix
7
PRODUCT DESCRIPTION
8
1.1 FEATURES
9
1.2 Specifications
11
1.2.2 Paper Specification
15
1.2.2.4 Index Card
16
1.2.3 Printing Area
17
1.2.3.1 Adjust Lever Setting
19
[Black Ink Cartridge]
20
[Color Ink Cartridge]
21
1.2.6 Electric Specification
23
1.2.7 Reliability
23
1.2.8 Safety Approvals
23
1.2.9 Acoustic Noise
24
1.2.10 CE Marking
24
1.2.11 Input Data Buffer
24
1.3 Interface
25
Table 1-13
29
1.4 Control Panel
32
1.4.2 Panel Functions
33
1.5 Error Status
35
1.5.4 No Ink-Cartridge
36
1.5.5 Maintenance Request
36
1.5.6 Fatal Errors
36
1.6 Printer Initialization
37
1.7 Initialization Settings
37
1.8 Main Components
38
1.8.5 Power Supply Board
40
OPERATING PRINCIPLES
42
2.1 Overview
43
2.1.1 Printer Mechanism
44
2.1.1.1 Printing Mechanism
45
2.1.1.2 Printing Process
46
2.1.1.3 Carriage Mechanism
47
Eject Roller
48
Paper guide(Front)
48
[Previous]
51
[Stylus Color 440,640,740]
51
2.1.1.5 Ink System
52
CW Rotation
54
CCW Rotation
54
AC Input
56
TRANS(T1)
57
C206 PNL
60
Transceiver
62
(IC16)
62
C209 PNL
64
2.2.4.4 Timer Circuit
71
2.2.4.5 DRAM Control
72
TROUBLESHOOTING
81
Stylus Color 640: C256Main
82
Stylus Color 740: C257Main
82
Chapter 3 Troubleshooting 83
83
Chapter 3 Troubleshooting 84
84
Chapter 3 Troubleshooting 85
85
3.2.2 Error is detected
86
Chapter 3 Troubleshooting 87
87
Chapter 3 Troubleshooting 89
89
Chapter 3 Troubleshooting 90
90
Chapter 3 Troubleshooting 91
91
The Main
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Chapter 3 Troubleshooting 92
92
Chapter 3 Troubleshooting 93
93
Chapter 3 Troubleshooting 94
94
Chapter 3 Troubleshooting 95
95
Chapter 3 Troubleshooting 96
96
Chapter 3 Troubleshooting 97
97
Chapter 3 Troubleshooting 98
98
DISASSEMBLY AND ASSEMBLY
99
W ARNING
100
4.1.2 Tools
101
4.2 Disassembly Procedures
104
4.2.1 Removing the Housing
105
ADJUSTM ENT
106
REQUIRED
106
Printhead U nit
110
Fastener H ead
110
(N o .4 )
112
Absorber Tray Assem bly;A
112
Pump Assembly
114
Cap Assembly
114
Head Cleaner
115
Order of assembling
115
PF M otor Assem bly
118
H P D e te c to r
128
ADJUSTMENT
129
5.1 Overview
130
Chapter 5 Adjustment 131
131
5.2 Adjustment
132
Chapter 5 Adjustment 133
133
Chapter 5 Adjustment 134
134
Maintenance
135
Adjustment
135
A4 Check
135
Pattern
135
M S-D O S Prom pt-S C 640
136
Is the m odel nam e correct?
137
Starting SERVICE PROGRAM
138
N o te :
139
Transportation Liquid C harge
140
H ead cleaning
140
Chapter 5 Adjustment 141
141
Maximum is 19,800 points
142
Esc: Previous
142
Chapter 5 Adjustment 144
144
Chapter 5 Adjustment 146
146
W riting to EEPROM now
147
Esc: Previous
147
M S-D O S Prom pt-SC 640
148
Chapter 5 Adjustment 149
149
Chapter 5 Adjustment 150
150
Left Gap
152
Right Gap
152
MAINTENANCE
153
6.1 Overview
154
6.1.3 Lubrication
155
Chapter 6 Maintenance 156
156
Chapter 6 Maintenance 157
157
Chapter 6 Maintenance 158
158
Chapter 6 Maintenance 159
159
APPENDIX
160
A.1 Connector Summary
161
Chapter 7 Appendix 162
162
Chapter 7 Appendix 163
163
Chapter 7 Appendix 164
164
Chapter 7 Appendix 165
165
Chapter 7 Appendix 166
166
Chapter 7 Appendix 167
167
Chapter 7 Appendix 168
168
A.2 EEPROM Address Map
169
Chapter 7 Appendix 170
170
Chapter 7 Appendix 171
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Chapter 7 Appendix 172
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Chapter 7 Appendix 173
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Chapter 7 Appendix 174
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Chapter 7 Appendix 175
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Chapter 7 Appendix 176
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Chapter 7 Appendix 177
177
Adjusted at factory
177
Chapter 7 Appendix 178
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Chapter 7 Appendix 179
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Chapter 7 Appendix 180
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Chapter 7 Appendix 181
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Chapter 7 Appendix 182
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Chapter 7 Appendix 183
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Chapter 7 Appendix 184
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Chapter 7 Appendix 185
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Chapter 7 Appendix 186
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Chapter 7 Appendix 187
187
A.4 Exploded Diagrams
188
Chapter 7 Appendix 189
189
Chapter 7 Appendix 190
190
Chapter 7 Appendix 191
191
Chapter 7 Appendix 192
192
REV.1.0 10002
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REV.1.0 10002
194
Chapter 7 Appendix 195
195
Chapter 7 Appendix 196
196
Rev.01 10004
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A.5 Part List
198
Part List
198
Chapter 7 Appendix 199
199
A.6 Circuit Diagrams
202
See the hard copy
203
Chapter 7 Appendix 208
208
Chapter 7 Appendix 209
209
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