Epson Artisan 837 Service Manual - Page 12
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Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
4.2.7 Disassembly of the ADF Unit................................................................... 165
4.2.7.1 ADF Hinge ........................................................................................ 165
4.2.7.2 ADF Cover Assy/ADF Cover L ........................................................ 165
4.2.7.3 ADF LD Frame Assy ........................................................................ 167
4.2.7.4 ADF Right Cover/ADF Rear Cover .................................................. 167
4.2.7.5 ADF Cover Stacker/ADF Document Support Cover ........................ 169
4.2.7.6 ADF Front Cover............................................................................... 170
4.2.7.7 ADF Document Support Assy........................................................... 170
4.2.7.8 ADF Frame Unit................................................................................ 171
4.2.7.9 ADF Motor Unit ................................................................................ 172
4.2.7.10 ADF PF Roller................................................................................. 175
4.3 Disassembly/reassembly procedures specific to Artisan 710/PX710W/TX710W.. 176
4.3.1 Removing the Housing ............................................................................. 176
4.3.1.1 Scanner Unit ...................................................................................... 176
4.3.1.2 Upper Left Housing........................................................................... 178
4.3.1.3 Upper Housing .................................................................................. 179
4.3.1.4 Rear Left Housing ............................................................................. 181
4.3.1.5 Left Housing/Decoration Belt L........................................................ 182
4.3.1.6 Rear Right Housing ........................................................................... 183
4.3.1.7 Right Housing/Card Cover ................................................................ 184
4.3.2 Removing the Circuit Board ..................................................................... 185
4.3.2.1 Panel Unit .......................................................................................... 185
4.3.2.2 Main Board/Grounding Plate M/B .................................................... 187
4.3.2.3 Card Slot Assy................................................................................... 190
4.3.3 Disassembling the Scanner Unit ............................................................... 191
4.3.3.1 Document Cover................................................................................ 191
4.3.3.2 Scanner Upper Housing..................................................................... 191
4.4 Routing FFC/cables ........................................................................................... 193
Chapter 5 ADJUSTMENT
5.1 Adjustment Items and Overview ....................................................................... 202
5.1.1 Servicing Adjustment Item List................................................................ 202
5.1.2 Required Adjustments .............................................................................. 208
5.2 Adjustment Using Adjustment Program ........................................................... 210
5.2.1 Top Margin Adjustment ........................................................................... 210
5.2.2 Bi-D Adjustment....................................................................................... 210
5.2.3 PW Adjustment/First Dot Position Adjustment ....................................... 211
5.2.4 Head Angular Adjustment ........................................................................ 212
5.2.5 PF Adjustment .......................................................................................... 213
5.2.6 MAC Address Setting............................................................................... 214
5.2.7 PG Offset Value Adjustment .................................................................... 216
5.2.8 Case Open Sensor Check.......................................................................... 217
5.2.9 AID inspection.......................................................................................... 220
5.2.10 Banding Reduction System (BRS) Adjustment /
Paper Feed Amount Profile (PFP) Correction........................................... 221
5.2.10.1 BRS (Banding Reduction System) Adjustment .............................. 223
5.2.10.2 PFP Adjustment............................................................................... 224
5.3 Adjustment without Using Adjustment Program .............................................. 226
5.3.1 PG Adjustment/PG Inspection.................................................................. 226
5.3.1.1 PG Adjustment .................................................................................. 226
5.3.1.2 PG Inspection .................................................................................... 230
5.3.2 CR Timing Belt Tension Inspection ......................................................... 231
5.3.3 PF Timing Belt Tension Inspection.......................................................... 232
5.3.4 Touch Panel Adjustment (Artisan 810/835/837/PX810FW/TX810FW/
PX820FWD/TX820FWD/PX830FWD only) ........................................... 233
5.4 Other functions .................................................................................................. 235
5.4.1 I/S Decompress......................................................................................... 235
5.4.2 AID SHK Error Reset............................................................................... 236
Chapter 6 MAINTENANCE
6.1 Overview ........................................................................................................... 239
6.1.1 Cleaning.................................................................................................... 239
6.1.2 Service Maintenance................................................................................. 239
6.1.2.1 Printhead cleaning ............................................................................. 239
6.1.2.2 Service Call ....................................................................................... 240
6.1.3 Lubrication................................................................................................ 240
Chapter 7 APPENDIX
7.1 Connector Summary.......................................................................................... 247
7.2 Exploded Diagram / Parts List .......................................................................... 249
Chapter 8 Artisan 835/725/PX820FWD/TX820FWD/PX720WD/TX720WD
8.1 Overview ........................................................................................................... 251
8.2 Operation principles .......................................................................................... 252
8.2.1 Power-On Sequence ................................................................................. 252
8.2.1.1 Simple Reset Sequence ..................................................................... 252
8.2.1.2 All Reset Sequence............................................................................ 254
Revision E
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