Epson Stylus CX3700 Service Manual page 7

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850
Chapter 4 DISASSEMBLY/ASSEMBLY
4.1 Overview ............................................................................................................. 93
4.1.1 Precautions.................................................................................................. 93
4.1.2 Tools ........................................................................................................... 93
4.1.3 Work Completion Check ............................................................................ 94
4.2 Caution regarding Assembling/Disassembling of the Printer Mechanism, and
How to Ensure of Quality on Re-assembled Product.......................................... 95
4.3 Disassembly Procedures...................................................................................... 96
4.4 Printer Section ..................................................................................................... 97
4.4.1 Document Cover/Document Cover Mat/ASF Cover.................................. 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
4.4.8 Printer Mechanism.................................................................................... 104
4.4.9 PS Board Unit ........................................................................................... 107
4.4.10 Waste Ink Pads/Stacker Lock/Rubber Feet ............................................ 108
4.4.11 Main Board Unit ..................................................................................... 111
4.4.12 ASF Unit ................................................................................................. 113
4.4.13 Holder Shaft Unit.................................................................................... 115
4.4.14 Spur Gear 36.8/Extension Spring 0.143/Clutch ..................................... 116
4.4.15 PE Sensor Board/PE Sensor Lever ......................................................... 117
4.4.16 CR Guide Frame ..................................................................................... 118
4.4.17 CR Motor ................................................................................................ 119
4.4.18 PF Motor ................................................................................................. 120
4.4.19 Carriage Unit/CR Encoder Board/PW Sensor Board/Head FFC ........... 121
4.4.20 Paper Guide Upper Unit ......................................................................... 124
4.4.21 EJ Frame Unit ......................................................................................... 125
4.4.22 Ink System Unit ...................................................................................... 126
4.4.23 Paper Guide Front Unit........................................................................... 127
4.4.24 PF Roller Unit......................................................................................... 128
4.5 Scanner Section ................................................................................................. 129
4.5.1 Scanner Housing, Upper ........................................................................... 129
4.5.2 Scanner Carriage Unit............................................................................... 130
4.5.3 Scanner Motor Unit/Scanner HP Sensor/Driven Pulley ........................... 132
Chapter 5 ADJUSTMENT
5.1 Overview ........................................................................................................... 134
5.1.1 Required Adjustments .............................................................................. 134
5.2 Adjustment by Using Adjustment Program ...................................................... 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
5.2.9 Head Angular Adjustment ........................................................................ 139
5.2.10 Bi-D Adjustment..................................................................................... 140
5.2.11 CR Offset................................................................................................ 140
5.2.12 PF Band Adjustment (TBD) ................................................................... 140
5.3 Adjustment Except Adjustment Program.......................................................... 141
5.3.1 PG Adjustment ......................................................................................... 141
5.3.2 PF Scale Sensor Positioning Adjustment ................................................. 144
5.3.3 Original Adjustment ................................................................................. 145
Chapter 6 MAINTENANCE
6.1 Overview ........................................................................................................... 149
6.1.1 Cleaning.................................................................................................... 149
6.1.2 Service Maintenance................................................................................. 149
6.1.3 Lubrication................................................................................................ 151
Chapter 7 APPENDIX
7.1 Connector Summary.......................................................................................... 156
7.1.1 Major Component Unit............................................................................. 156
7.2 Exploded Diagram............................................................................................. 159
7.3 Parts List............................................................................................................ 165
7.4 Electrical Circuits .............................................................................................. 167
Revision A
7