Epson 440 User Manual download pdf (Page 128)

EPSON Stylus Color 440/640/740 Revision A

Chapter 4 Disassembly and Assembly 128

4.2.4.10 Removing the HP Detector

1. Remove the housing. (Refer to Section 4.2.1.)

2. Remove the cable from the HP detector and take it out after

releasing the fixed hook.

Figure 4-24. Removing the HP Detector

H P D e te c to r

1 2 ... 123 124 125 126 127 128 129 130 131 132 133 ... 211 212

    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 91
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 171 171
Chapter 7 Appendix 172 172
Chapter 7 Appendix 173 173
Chapter 7 Appendix 174 174
Chapter 7 Appendix 175 175
Chapter 7 Appendix 176 176
Chapter 7 Appendix 177 177
Adjusted at factory 177
Chapter 7 Appendix 178 178
Chapter 7 Appendix 179 179
Chapter 7 Appendix 180 180
Chapter 7 Appendix 181 181
Chapter 7 Appendix 182 182
Chapter 7 Appendix 183 183
Chapter 7 Appendix 184 184
Chapter 7 Appendix 185 185
Chapter 7 Appendix 186 186
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 193
REV.1.0 10002 194
Chapter 7 Appendix 195 195
Chapter 7 Appendix 196 196
Rev.01 10004 197
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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