Epson Stylus C40UX, Service Manual

Page: 7 / 125

4.1.2 Tools .......................................................................................................... 59
4.1.3 Screws ........................................................................................................ 59
4.1.4 Work Completion Check ........................................................................... 60
4.2 Disassembly ....................................................................................................... 61
4.2.1 Upper housing removal .............................................................................. 61
4.2.2 ASF unit removal ....................................................................................... 63
4.2.3 Waste ink pad removal .............................................................................. 64
4.2.4 PS unit removal .......................................................................................... 65
4.2.5 Paper eject roller removal .......................................................................... 66
4.2.6 Paper Guide Upper/Left removal ............................................................... 68
4.2.7 MAIN board removal ................................................................................ 71
4.2.8 CR motor removal ..................................................................................... 73
4.2.9 Printhead unit removal ............................................................................... 74
4.2.10 LD unit removal ....................................................................................... 76
4.2.11 Printer mechanism removal ..................................................................... 77
Chapter 5 Adjustment
5.1 Overview ............................................................................................................ 79
5.1.1 Required Adjustment ................................................................................. 79
5.1.2 Adjustment Program Initial Setting menu ................................................. 80
5.1.3 Adjustment Program feature ...................................................................... 81
5.1.4 EEPROM initial setting ............................................................................. 83
5.1.5 Head ID ...................................................................................................... 83
5.1.6 Bi-D ........................................................................................................... 85
5.1.7 USB ID ...................................................................................................... 86
5.1.8 Top margin ................................................................................................. 88
5.1.9 Head cleaning ............................................................................................ 89
5.1.10 Initial ink charge ...................................................................................... 90
5.1.11 Refurbishment for DOA .......................................................................... 90
5.1.12 Protection counter check .......................................................................... 92
5.1.13 EEPRON check ....................................................................................... 94
5.1.14 EEPROM back up data ............................................................................ 95
5.1.15 A4 pattern will print ................................................................................. 96
Chapter 6 Maintenance
6.1 Overview ............................................................................................................ 99
6.1.1 Cleaning ..................................................................................................... 99
6.1.2 Service Maintenance ................................................................................ 100
6.1.3 Lubrication ............................................................................................... 100
Chapter 7 Appendix
7.1 Connector Summary ...................................................................................... 104
7.1.1 Major Component Unit ............................................................................ 104
7.2 EEPROM Address Map ................................................................................ 106
7.3 Component Layout ......................................................................................... 110
7.4 Parts List ......................................................................................................... 112
7.5 Exploded Diagram .......................................................................................... 113
7.6 Electrical Circuits ........................................................................................... 119