Epson CX3800 Service Manual download pdf (Page 161)

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A

APPENDIX Exploded Diagram 161

Figure 7-3. Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Exploded Diagram 2

300

200

Rev.01 C612-ELEC-001

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850

1 2 ... 156 157 158 159 160 161 162 163 164 165 166 ... 170 171

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 10
• Humidity 40 to 60% RH 11
1.2.2 Scanner Specifications 18
1.2.3 Common 19
1.2.3.4 Acoustic Noise 20
1.2.3.6 CE Marking 20
1.3 Interface 21
1.4 Stand-alone Copy 22
1.4.2 Copy Speed 23
1.4.4.1 Standard Copy 24
1.4.4.2 BorderFree Copy 25
1.4.4.3 Small Margins Copy 26
1.5 Control Panel 27
(For Europe and Asia) 28
Figure 1-14. Control Panel 28
1.5.3 Operations 29
1.5.3.2 Low Power Panel Mode 30
1.5.5 Memory Functions 33
OPERATING PRINCIPLES 35
2.1 Overview 36
2.2 Printer Mechanism 36
2.2.2 Print Head 37
2.2.2.1 Printing Process 38
2.2.2.2 Printing Method 38
Carriage Unit 39
CR Motor 39
CL position 46
(valve closing condition) 46
Ink absorption position 46
(valve opening condition) 46
2.2.5.1 Capping Mechanism 47
2.2.5.2 Pump Unit Mechanism 48
2.2.6 Ink Sequence 49
2.3 Scanner Mechanism 51
2.4.1 PSB/PSE Board 53
2.4.2 C612 Main Board 54
2.4.2.3 Motor Driver Circuit 57
2.4.2.4 Combination Circuit 58
2.4.2.5 Sensor Circuit 59
TROUBLESHOOTING 61
3.1 Overview 62
CN1 Panel BoardPanel FFC 66
Extension Spring Retard 69
LD Roller 70
Compression Spring 70
Extension Spring 0.143 71
Clutch tooth 71
Compression Spring 2.36 72
Change Lever 72
Memory Chip 73
Connector 73
Head FFC 73
CSIC Connectors 73
CSIC Board 73
PE Sensor Lever 74
PE Sensor 74
Spring 0.22 74
EJ Frame Unit 75
Paper Guide Front Unit 75
Spur Gear 36 75
Star Wheel Holders 76
Paper Guide Upper Unit 76
Scanner Motor 77
Connector Cable 77
Slit of the CR 81
Encoder Board 81
CR Scale 81
Encoder FFCCR Encoder Board 81
PF Encoder Sensor 82
PE Sensor Connector Cable 82
Slider Lock Lever 83
Seal rubber part 86
Compression 86
Print Head 87
Connectors 87
CN6 CN5 CN7 87
CR movement 89
Porous Pad Paper Guide Front 90
Star Wheel Rollers 91
DISASSEMBLY/ASSEMBLY 92
W A R N I N G 93
4.1.3 Work Completion Check 94
4.3 Disassembly Procedures 96
4.4 Printer Section 97
4.4.2 Paper Support Assy 98
4.4.3 Stacker Assy 98
4.4.4 Scanner Unit 99
4.4.5 Panel Unit 100
4.4.6 Housing, Upper 101
4.4.7 Printhead 102
A D J U S T M E N T 103
R E Q U I R E D 103
4.4.8 Printer Mechanism 104
C A U T I O N 105
X axis: 4 points 106
4.4.9 PS Board Unit 107
Tube Clump 108
Eject Ink 108
Waste Ink Tube 108
4.4.11 Main Board Unit 111
4.4.12 ASF Unit 113
4.4.13 Holder Shaft Unit 115
4.4.16 CR Guide Frame 118
4.4.17 CR Motor 119
(only after replacement) 119
4.4.18 PF Motor 120
Board/Head FFC 121
for details 123
4.4.21 EJ Frame Unit 125
4.4.22 Ink System Unit 126
and Figure 6-12 (p153)for 127
4.4.24 PF Roller Unit 128
4.5 Scanner Section 129
4.5.2 Scanner Carriage Unit 130
Driven Pulley 132
ADJUSTMENT 133
C H E C K 134
P O I N T 134
PF band 135
 PF Band Ad 137
5.2.1 EEPROM Data Copy 137
5.2.2 Market Setting 137
5.2.3 USB ID Input 137
5.2.4 Waste Ink Pad Counter 137
5.2.5 Ink Charge 138
5.2.6 Head ID Input 138
5.2.7 Top Margin Adjustment 138
5.2.8 First Dot Adjustment 138
[Judging Standard] 139
5.2.10 Bi-D Adjustment 140
5.2.11 CR Offset 140
5.3.1 PG Adjustment 141
C.B.S 3x6 142
Thickness gauge 142
PG up (narrower) 143
PG down (wider) 143
Left side Right side 144
PF Scale 144
MAINTENANCE 148
MAINTENANCE Overview 150 150
Guide Rail of the 151
Housing, Lower 151
Scanner Carriage Unit 151
MAINTENANCE Overview 152 152
MAINTENANCE Overview 153 153
Bush 10 (Right) 154
PF Roller Unit 154
Spool Gear 13.5 154
APPENDIX 155
7.1 Connector Summary 156
Table 7-3. CN3 - PE Sensor 157
Table 7-4. CN5 - Print Head 157
Table 7-5. CN6 - Print Head 157
Table 7-6. CN7 - Print Head 157
7.2 Exploded Diagram 159
APPENDIX Exploded Diagram 160 160
APPENDIX Exploded Diagram 161 161
APPENDIX Exploded Diagram 162 162
APPENDIX Exploded Diagram 163 163
APPENDIX Exploded Diagram 164 164
7.3 Parts List 165
APPENDIX Parts List 166 166
7.4 Electrical Circuits 167
Board: C612 MAIN 168
Rev. : B 168
Sheet: 1/2 168
Board: C610 PSB 169
Sheet: 1/1 169
Board: C610 PSE 170
Board: C612 PNL 171
Rev. : A 171

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Epson CX3800 Service Manual Page 161

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