Epson 1400 - Stylus Photo Color Inkjet Printer, Service Manual, Page: 6 / 168

EPSON Stylus Photo 1390/1400/1410 Revision B
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Contents
Chapter 1 PRODUCT DESCRIPTION
1.1 Overview ............................................................................................................... 9
1.2 Printing Area ....................................................................................................... 10
1.2.1 Printing Area (Cut sheet, Envelope)........................................................... 11
1.3 PG Setting............................................................................................................ 16
1.4 Printer Function ................................................................................................... 17
1.4.1 Operator Controls ....................................................................................... 17
1.4.2 Buttons........................................................................................................ 17
1.4.3 LED Indicators............................................................................................ 17
1.4.4 Panel Functions........................................................................................... 17
1.4.5 Printer Condition and Panel LED Status .................................................... 18
1.4.6 Errors .......................................................................................................... 19
1.5 Size and Weight................................................................................................... 20
1.6 Accessories .......................................................................................................... 20
Chapter 2 OPERATING PRINCIPLES
2.1 Overview ............................................................................................................. 22
2.2 Printer Mechanism............................................................................................... 22
2.2.1 Carriage Mechanism................................................................................... 23
2.2.2 Printhead Specifications ............................................................................. 26
2.2.3 Paper Feeding Mechanism.......................................................................... 26
2.2.4 Paper Feeding Mechanism.......................................................................... 30
2.2.5 Ink System Mechanism............................................................................... 31
2.2.6 Ink Sequence............................................................................................... 33
2.2.7 Power-On Sequence.................................................................................... 34
2.3 Electrical Circuit Operating Principles................................................................ 35
2.3.1 Power Supply Circuit Operating Principle ................................................. 36
2.3.2 C655 MAIN Circuit Operating Principle ................................................... 37
Chapter 3 TROUBLESHOOTING
3.1 Overview ............................................................................................................. 40
3.1.1 Troubleshooting according to Panel Messages .......................................... 40
3.1.2 Troubleshooting based on Observed Faults................................................ 62
Chapter 4 DISASSEMBLY AND ASSEMBLY
4.1 Overview ............................................................................................................. 72
4.1.1 Precautions.................................................................................................. 72
4.1.2 Tools ........................................................................................................... 73
4.1.3 Screws......................................................................................................... 73
4.1.4 Work Completion Checklist ....................................................................... 74
4.1.5 Sharp Metal Edges...................................................................................... 75
4.1.6 Method for making CSIC board removal tool............................................ 75
4.2 Disassembly/Assembly Procedures..................................................................... 76
4.2.1 Removing the Housings.............................................................................. 78
4.2.2 Waste Ink Pad............................................................................................. 84
4.2.3 Front Paper Guide Pad................................................................................ 85
4.2.4 ASF Assy.................................................................................................... 86
4.2.5 Removing the Boards ................................................................................. 90
4.2.6 Disassembling the Printer Mechanism ....................................................... 92
4.2.7 Removing the Motors ............................................................................... 122
4.2.8 Removing the Sensors .............................................................................. 124
4.3 Procedure Specific to Stylus Photo 1390 .......................................................... 128
4.3.1 Upper Housing.......................................................................................... 128
4.3.2 Paper EJ Frame Assy................................................................................ 129