Epson Artison 800 Service Manual page 9

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W
3.3.1 Error Message List...................................................................................... 56
3.3.2 Troubleshooting by Error Message ............................................................ 58
3.4 Troubleshooting without Error Message ............................................................. 70
3.4.1 Troubleshooting Printer Mechanism Problems .......................................... 70
3.4.2 Troubleshooting Electrical Problems ......................................................... 76
3.4.3 Troubleshooting I/F-related Problems........................................................ 76
3.5 Troubleshooting Duplex Unit Problems.............................................................. 78
3.6 Network Troubleshooting.................................................................................... 79
3.7 FAX Troubleshooting
(Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW only) ................ 81
3.7.1 FAX Log ..................................................................................................... 81
3.7.2 Error Code/Superficial Phenomenon-Based Troubleshooting ................... 85
3.8 Fax Function/External Connection Function Check
(Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW only) ................ 87
3.8.1 Outline ........................................................................................................ 87
3.8.2 Fax Function and External Connection Function Check ............................ 87
3.8.2.1 Fax Function Check by [Method A] and External Connection Function
Check ................................................................................................... 87
3.8.2.2 Fax Function Check by [Method B] and External Connection Function
Check ................................................................................................... 91
3.8.2.3 Fax Function Check by [Method C] and External Connection Function
Check ................................................................................................... 92
Chapter 4 DISASSEMBLY/ASSEMBLY
4.1 Overview ............................................................................................................. 94
4.1.1 Precautions.................................................................................................. 94
4.1.2 Tools ........................................................................................................... 95
4.1.3 Work Completion Check ............................................................................ 95
4.1.4 Additional Procedure/Procedural Differences ............................................ 97
4.2 Disassembly Procedures...................................................................................... 99
4.2.1 Parts transferred from the old printer when replacing the Printer Mechanism 101
4.2.2 Removing the Housing ............................................................................. 102
4.2.2.1 ADF Unit (Artisan 800/PX800FW/TX800FW only)........................ 102
4.2.2.2 Scanner Unit ...................................................................................... 103
4.2.2.3 Hinge ................................................................................................. 105
4.2.2.4 Upper Left Housing / Panel Lock Button.......................................... 106
4.2.2.5 Upper Housing .................................................................................. 107
4.2.2.6 Rear Left Housing ............................................................................. 109
4.2.2.7 Left Housing / Decoration Belt L...................................................... 109
4.2.2.8 Stacker Assy ...................................................................................... 110
4.2.2.9 Rear ASF Paper Guide Cover ........................................................... 111
4.2.2.10 Rear Right FAX Housing................................................................ 112
4.2.2.11 Right Housing / Card Cover............................................................ 113
4.2.2.12 Cassette Unit ................................................................................... 114
4.2.2.13 Paper Guide Top Assy..................................................................... 115
4.2.3 Removing the Circuit Board..................................................................... 115
4.2.3.1 Panel Unit .......................................................................................... 115
4.2.3.2 Main Board / Grounding Plate M/B .................................................. 117
4.2.3.3 Power Supply Unit ............................................................................ 121
4.2.3.4 Wireless LAN Board ......................................................................... 122
4.2.3.5 Card Slot Assy................................................................................... 123
4.2.4 Disassembling the Printer Mechanism ..................................................... 124
4.2.4.1 Printhead............................................................................................ 124
4.2.4.2 CR Scale............................................................................................ 129
4.2.4.3 Decompression Pump Unit................................................................ 130
4.2.4.4 CSIC Assy ......................................................................................... 132
4.2.4.5 Ink Supply IC Holder Assy ............................................................... 133
4.2.4.6 Ink System......................................................................................... 135
4.2.4.7 Lower ASF Paper Guide Assy .......................................................... 138
4.2.4.8 CDR Tray Assy ................................................................................. 140
4.2.4.9 LD Roller........................................................................................... 142
4.2.4.10 Pick-up Roller ................................................................................. 143
4.2.4.11 Main Frame ..................................................................................... 144
4.2.4.12 Front Frame ..................................................................................... 147
4.2.4.13 EJ Frame Assy / EJ Release Frame Assy R/
4.2.4.14 PF Motor ......................................................................................... 150
4.2.4.15 CR Motor......................................................................................... 152
4.2.4.16 Carriage Unit ................................................................................... 154
4.2.4.17 Transmission Holder Assy .............................................................. 158
4.2.4.18 Rear Frame ...................................................................................... 159
4.2.4.19 Upper Paper Guide L/R / PE Sensor ............................................... 161
4.2.4.20 Waste Ink Tray Assy ....................................................................... 163
4.2.4.21 Lower Paper Guide Waste Ink Pad Assy ........................................ 165
4.2.4.22 Front Paper Guide Waste Ink Pad ................................................... 166
4.2.5 Disassembling Scanner Unit..................................................................... 167
4.2.5.1 Scanner Upper Housing (Artisan 800/PX800FW/TX800FW) ......... 167
4.2.5.2 Scanner Motor Unit ........................................................................... 168
4.2.5.3 Scanner Carriage Unit ....................................................................... 169
4.2.5.4 Scanner CR Encoder Board............................................................... 172
4.2.5.5 Cover Open Sensor............................................................................ 173
4.2.6 Disassembly of the ADF Unit (Artisan 800/PX800FW/TX800FW only) 174
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EJ Release Frame Assy L .................................................................. 147
Revision C
10
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