Epson LX-300+II RTP Service Manual page 7

Chapter 4 Disassembly and Assembly
4.1 Overview ............................................................................................................ 66
4.1.1 Precautions ................................................................................................. 66
4.1.2 Tools .......................................................................................................... 66
4.1.3 Service Checks After Repair ..................................................................... 68
4.2 Disassembly and Assembly .............................................................................. 69
4.2.1 Printhead Unit Removal ............................................................................ 70
4.2.2 Upper Housing Unit Removal ................................................................... 71
4.2.3 Printer Mechanism Removal ..................................................................... 72
4.2.4 Panel Board Assembly Removal ............................................................... 73
4.2.5 Main Board Assembly Removal ................................................................ 74
4.2.6 P/S Board Assembly Removal ................................................................... 75
4.2.7 Printer Mechanism Disassembly ............................................................... 76
Chapter 5 Adjustment
5.1 Adjustment Tool ............................................................................................... 86
5.1.1 System Requirement .................................................................................. 86
5.1.2 Running the Program ................................................................................. 86
5.2 Adjustments ...................................................................................................... 89
5.2.1 Platen Gap Adjustment .............................................................................. 89
5.2.2 Bi-D Adjustment ........................................................................................ 90
5.2.3 Top Margin Adjustment ............................................................................ 90
5.2.4 Bottom Margin Adjustment ....................................................................... 91
Chapter 6 Maintenance
6.1 Maintenance ...................................................................................................... 93
6.1.1 Cleaning ..................................................................................................... 93
6.1.2 Lubrication ................................................................................................. 93
Chapter 7 LX-300+II RTP
7.1 DISASSEMBLY AND ASSEMBLY ............................................................... 98
7.1.1 Printhead Unit Removal ............................................................................ 99
7.1.2 Upper Housing Unit Removal ................................................................. 100
7.1.3 Printer Mechanism Removal ................................................................... 101
7.1.4 Panel Board Assembly Removal ............................................................. 102
7.1.5 Main Board Assembly Removal .............................................................. 103
7.1.6 P/S Board Assembly Removal ................................................................ 104
7.1.7 Printer Mechanism Disassembly ............................................................. 104
7.2 Adjustment ...................................................................................................... 105
7.3 Parts List ......................................................................................................... 106
7.4 Exploded Diagrams ........................................................................................ 108
Chapter Appendix
A.1 Connector Summary ..................................................................................... 111
A.1.1 Major Component Unit ........................................................................... 111
A.1.2 Pin Assignments ..................................................................................... 111
A.2 EEPROM Address Map ................................................................................ 114
A.3 Parts List ........................................................................................................ 117
A.4 Exploded Diagrams ....................................................................................... 122
A.5 Electric Circuit Schematics .......................................................................... 126