Table Of Contents - Epson WF-R8590 Service Manual

EPSON WF-R8590
Chapter 1 Troubleshooting
1.1 Troubleshooting....................................................................................................................................................... 14
1.1.1 Troubleshooting Workflow ............................................................................................................................ 14
1.2 Power-On Sequence ................................................................................................................................................ 17
1.3 Fatal Error Code List ............................................................................................................................................... 20
1.3.1 FAX Troubleshooting..................................................................................................................................... 32
1.3.1.1 FAX Log ................................................................................................................................................ 32
1.3.1.2 Error Code/Superficial Phenomenon-Based Troubleshooting .............................................................. 37
Chapter 2 Disassembly/Reassembly
2.1 Overview ................................................................................................................................................................. 40
2.1.1 Tools ............................................................................................................................................................... 40
2.1.1.1 Screw types used in the printer .............................................................................................................. 41
2.1.2 Standard Operation Time for servicing the product ....................................................................................... 42
2.2 Parts Diagram .......................................................................................................................................................... 45
2.3 Disassembly and Assembly Procedure.................................................................................................................... 61
2.3.1 Preparation for servicing ................................................................................................................................ 61
2.3.1.1 Unlocking the CR Unit ......................................................................................................................... 61
2.3.1.2 Ink flushing ............................................................................................................................................ 62
2.3.1.3 Initial Ink charge.................................................................................................................................... 63
2.3.2 Consumables/Accessories .............................................................................................................................. 64
2.3.2.1 Maintenance Box ................................................................................................................................... 64
2.3.3 Housing........................................................................................................................................................... 65
2.3.3.1 Front Cover Assy ................................................................................................................................... 65
2.3.3.2 Paper Support Support ........................................................................................................................... 66
2.3.3.3 Stacker Assy .......................................................................................................................................... 66
2.3.3.4 Rear ASF Document Support Cover ..................................................................................................... 67
2.3.3.5 Left ADF Hinge Cover .......................................................................................................................... 67
2.3.3.6 Right ADF Hinge Cover ........................................................................................................................ 68
2.3.3.7 Paper Support......................................................................................................................................... 69
2.3.3.8 Panel Assy.............................................................................................................................................. 70
2.3.3.9 Speaker................................................................................................................................................... 71
2.3.3.10 Front Cover Microswitch..................................................................................................................... 72
2.3.3.11 Right Upper Front Cover ..................................................................................................................... 73
2.3.3.12 Panel Lower Front Cover..................................................................................................................... 73
2.3.3.13 Panel FFC ............................................................................................................................................ 74
2.3.3.14 Front Housing ...................................................................................................................................... 75
2.3.3.15 Middle Housing ................................................................................................................................... 86
2.3.4 Cover Sensors ................................................................................................................................................. 92
2.3.4.1 Rear Cover Microswitch ........................................................................................................................ 92
2.3.4.2 Rear Cover PF Sensor............................................................................................................................ 93
2.3.4.3 Right Pick Up Roller Sensor.................................................................................................................. 94
2.3.4.4 Left Pick Up Roller Sensor .................................................................................................................... 95
2.3.4.5 Casette Microswitch .............................................................................................................................. 95
2.3.4.6 PE Sensor ............................................................................................................................................... 96
2.3.5 Electric Circuit Components .......................................................................................................................... 97
2.3.5.1 USB/FAX Cover.................................................................................................................................... 97
2.3.5.2 USB Connector Assy ............................................................................................................................. 98
2.3.5.3 Main Board Unit .................................................................................................................................... 99
Contents
Revision F
9
Confidential