Epson WF-R8590 Service Manual page 12

EPSON WF-R8590
2.3.9.3 ADF Cover Assy.................................................................................................................................. 221
2.3.9.4 Rear ADF Cover/ Rear Sub ADF Cover ............................................................................................. 222
2.3.9.5 Front Sub ADF Cover/ Front Main ADF Cover.................................................................................. 223
2.3.9.6 Document Cover Mat Assy.................................................................................................................. 225
2.3.9.7 ADF Pad Assy ..................................................................................................................................... 225
2.3.9.8 ADF Cover Microswitch ..................................................................................................................... 226
2.3.9.9 ADF PF Encoder Sensor...................................................................................................................... 227
2.3.9.10 ADF LD Assy .................................................................................................................................... 229
2.3.9.11 ADF PF Support Guide...................................................................................................................... 231
2.3.9.12 ADF Side Cover/ ADF Paper End Side Cover .................................................................................. 232
2.3.9.13 ADF PE Sensor A .............................................................................................................................. 233
2.3.9.14 ADF PW Sensor A............................................................................................................................. 235
2.3.9.15 ADF PW Sensor B ............................................................................................................................. 236
2.3.9.16 ADF Document Detection Sensor A ................................................................................................. 237
2.3.9.17 ADF Document Detection Sensor B.................................................................................................. 238
2.3.9.18 Right ADF Hinge............................................................................................................................... 239
2.3.9.19 Left ADF Hinge ................................................................................................................................. 240
2.3.9.20 Top ADF Document Support Assy.................................................................................................... 241
2.3.9.21 Bottom ADF Document Support ....................................................................................................... 243
2.3.10 Cassette....................................................................................................................................................... 244
2.3.10.1 Casette Assy....................................................................................................................................... 244
2.3.10.2 Casette End Guide ............................................................................................................................. 244
2.3.11 2nd Cassette ................................................................................................................................................ 245
2.3.11.1 2nd Cassette Unit ............................................................................................................................... 245
2.3.11.2 2nd Cassette Assy .............................................................................................................................. 247
2.3.11.3 2nd Cassette Frame Assy ................................................................................................................... 247
2.3.11.4 2nd Cassette Drive Assy .................................................................................................................... 251
2.3.11.5 Actuator ............................................................................................................................................. 253
2.3.11.6 Sensor................................................................................................................................................. 254
2.3.11.7 Feed Roller......................................................................................................................................... 256
2.3.12 Option Cassette........................................................................................................................................... 257
2.3.12.1 OP Casette Unit ................................................................................................................................. 257
2.3.12.2 OP Cassette Assy ............................................................................................................................... 258
2.3.12.3 OP Casette Retard Roller Assy .......................................................................................................... 258
2.3.12.4 OP Cassette End Guide...................................................................................................................... 259
2.3.12.5 OP Cassette Edge Guide Right .......................................................................................................... 259
2.3.12.6 OP Rear Cover Assy .......................................................................................................................... 261
2.3.12.7 Stopper Belt ....................................................................................................................................... 261
2.3.12.8 OP Right Cover.................................................................................................................................. 262
2.3.12.9 OP Left Cover.................................................................................................................................... 262
2.3.12.10 OP Rear Frame Assy........................................................................................................................ 263
2.3.12.11 OP Cassette Drive Assy ................................................................................................................... 266
2.3.12.12 OP Rear Cover Open Microswitch .................................................................................................. 268
2.3.12.13 OP Rear Frame Cover Assy............................................................................................................. 268
2.3.12.14 OP Cassette Microswitch................................................................................................................. 271
2.3.12.15 OP Cassette PF Sensor..................................................................................................................... 272
2.3.12.16 OP Cassette Paper Sensor ................................................................................................................ 273
2.3.12.17 OP Cassette Hopper Sensor ............................................................................................................. 274
2.3.13 Mechanism Unit ......................................................................................................................................... 275
2.4 Routing the cables and FFC .................................................................................................................................. 277
2.4.1 Around the Main Board................................................................................................................................ 277
Chapter 3 Adjustment
3.1 Required Adjustments ........................................................................................................................................... 279
3.2 Details of Adjustments .......................................................................................................................................... 283
3.2.1 PF/CR/ASF Timing Belt Tension Measurement.......................................................................................... 283
3.2.1.1 PF Timing Belt Tension Measurement ................................................................................................ 284
3.2.1.2 CR Timing Belt Tension Check........................................................................................................... 286
Revision F
11
Confidential