Epson 4600 Service Manual download pdf (Page 199)

EPSON Stylus CX3500/CX3600/CX3650/CX4500/CX4600 Revision A

APPENDIX Electrical Circuits 199

7.5 Electrical Circuits

The electric circuit diagrams below are shown at the following pages:

V C571 Main control circuit board

V C577 Main control circuit board

V C571 PSB/PSE power supply circuit board

V C571 Panel circuit board

1 2 ... 194 195 196 197 198 199 200 201 202 203 204 205 206

SERVICE MANUAL 1
PRECAUTIONS 3
About This Manual 4
Revision Status 5
CONTENTS 6
Chapter 5 ADJUSTMENT 7
Chapter 6 MAINTENANCE 7
Chapter 7 APPENDIX 7
PRODUCT DESCRIPTION 8
1.1 Overview 9
1.2 Specifications 11
• Humidity 40 to 60% RH 12
1.2.1.5 Printing Area 15
Base View 18
(out-of-range left margin) 19
(out-of-range top margin) 19
1.2.3 Common 20
1.2.3.5 Acoustic Noise 21
1.2.3.6 CE Marking 21
1.3 Interface 22
1.3.2 Standard Card Slots 23
1.4 Stand-alone Copy 25
1.4.2 Copy Speed 26
1.5 Memory Card Print 30
1.5.2 Functions 31
1.5.3 Index Sheet 33
1 2 3 1 2 3 35
1.5.5 Options 36
1.5.6 Trimming Function 36
Rotation 37
1.5.8 Layout Drawings 38
1.5.8.3 20-up 39
1.5.8.4 80-up 39
1.6 Control Panel 41
1.6.3 Operations 43
Table 1-44. Operations 44
1.6.3.3 Low Power Panel Mode 45
1.6.5 Memory Functions 50
1.6.6 Printer Initialization 51
OPERATING PRINCIPLES 52
2.1 Overview 53
2.2 Printer Mechanism 53
2.2.2 Print Head 54
2.2.2.1 Printing Process 55
2.2.2.2 Printing Method 55
2.2.3 Carriage Mechanism 56
2.2.5 Ink System Mechanism 63
2.2.5.1 Capping Mechanism 64
2.2.5.2 Pump Unit Mechanism 65
2.2.6 Ink Sequence 66
2.3 Scanner Mechanism 68
2.4.1 PSB/PSE Board 71
2.4.2 C571/577 Main Board 72
2.4.2.3 Motor Driver Circuit 75
2.4.2.4 Combination Circuit 76
2.4.2.5 Sensor Circuit 77
• PW Sensor 78
TROUBLESHOOTING 79
°C / phase) 80
(only for Stylus 82
CX4500/CX4600) 82
3.3 Troubleshooting 85
Torsion Spring 19.01 88
PG Sensor 88
Document Glass 89
Compression Spring 91
Extension Spring 0.143 92
Clutch tooth 92
Memory Chip 94
Connector 94
Head FFC 94
CSIC Connectors 94
CSIC Board 94
Spring 0.22 95
PE Sensor Lever 95
PE Sensor 95
EJ Frame Unit 96
EJ Roller UnitSpur Gear 36 96
Star Wheel Holders 97
Scanner Motor 98
Connector Cable 98
Scanner HP Sensor 99
Scanner Carriage FFC CN11 99
Compression Spring 2.36 101
Change Lever 101
Paper Guide Upper Unit 101
Slit of the CR 102
Encoder Board 102
CR Scale 102
Encoder FFCCR Encoder Board 102
PF Encoder Sensor 103
PE Sensor Connector CableCN3 103
PF Scale 103
Slider Lock Lever 104
Extension Spring Retard 105
Seal rubber part 107
Compression 107
Spring 1.47 107
CR movement 110
PF Roller Unit 110
LD Roller 111
Paper Guide Front Unit 111
Porous Pad Paper Guide Front 111
DISASSEMBLY AND ASSEMBLY 113
W ARNING 114
4.1.2 Tools 115
4.1.3 Work Completion Check 116
4.3 Disassembly 118
4.3.1 Document Cover 119
4.3.2 Paper Support Assy 120
4.3.3 Stacker Assy 120
4.3.4 Scanner Unit 121
ADJUSTM ENT 124
REQUIRED 124
4.3.5 Panel Unit 126
4.3.6 Housing Upper 127
4.3.7 Print Head 128
4.3.8 Printer Mechanism 130
4.3.11 Main Board Unit 136
4.3.12 ASF Unit 141
4.3.13 Holder Shaft Unit 143
4.3.14 CR Guide Frame 146
4.3.16 PF Motor 148
4.3.17 Carriage Unit 149
4.3.20 EJ Frame Unit 154
4.3.21 Ink System Unit 156
4.3.24 PF Roller Unit 159
ADJUSTMENT 161
5.1 Overview 162
• Platen Gap adjustment 163
5.2.1 EEPROM Data Copy 164
5.2.2 Waste ink pad counter 164
5.2.3.2 USB ID 165
OK pattern 166
NG pattern 166
5.2.11 Bi-D adjustment 167
5.2.12 PW adjustment 167
5.2.15 Print check pattern 168
5.3.1 PG adjustment 170
Note : “Down” means PG 171
(Platen Gap) wide 171
MAINTENANCE 174
6.1 Overview 175
MAINTENANCE Overview 176 176
6.1.3 Lubrication 177
MAINTENANCE Overview 178 178
MAINTENANCE Overview 179 179
MAINTENANCE Overview 180 180
APPENDIX 181
7.1 Connector Summary 182
Table 7-3. CN3 - PE Sensor 183
Table 7-4. CN4 - PG Sensor 183
Table 7-5. CN5 - Print Head 183
Table 7-6. CN6 - Print Head 183
Table 7-7. CN7 - Print Head 184
Table 7-8. CN8 - CR Motor 184
Table 7-9. CN9 - PF Motor 184
7.2 Component Layout 188
APPENDIX Component Layout 189 189
APPENDIX Component Layout 190 190
APPENDIX Component Layout 191 191
7.3 Exploded Diagram 192
APPENDIX Exploded Diagram 193 193
Rev.01 MECH01 194
Rev.01 MECH02 195
Rev.01 MECH03 196
7.4 Parts List 197
APPENDIX Parts List 198 198
7.5 Electrical Circuits 199

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Epson 4600 Service Manual Page 199

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