Epson Stylus Pro 7710 Service Manual page 6

Epson Stylus Pro 7700/7710/7900/7910/9700/9710/9900/9910
Chapter 4 DISASSEMBLY & ASSEMBLY
4.1 Overview . ......................................................................................................... 117
4.1.1 Precautions ................................................................................................ 117
4.1.2 Orientation Definition . ............................................................................. 119
4.1.3 Recommended Tools . .............................................................................. 120
4.1.4 Cautions when replacing the Main Board Assy/Power Supply Board Assy ..
121
4.1.5 Differences of the parts/components between models . ........................... 122
4.2 Parts Diagram . .................................................................................................. 127
4.3 Disassembly Flowchart . ................................................................................... 134
4.4 Disassembly and Assembly Procedure . ............................................................ 140
4.4.1 Special operation for servicing . ............................................................... 140
4.4.2 Housing . ................................................................................................... 142
4.4.3 Electric Circuit Components . ................................................................... 167
4.4.4 Carriage Mechanism . ............................................................................... 175
4.4.5 Paper Feed Mechanism . ........................................................................... 189
4.4.6 Ink System Mechanism . ........................................................................... 205
4.4.7 Auto Take-up Reel . .................................................................................. 245
4.4.8 SpectroProofer . ........................................................................................ 257
Chapter 5 ADJUSTMENT
5.1 Overview . ......................................................................................................... 284
5.1.1 Precautions ................................................................................................ 284
5.1.2 Adjustment Items and the Order by Repaired Part . ................................. 285
5.1.3 Description of Adjustments . .................................................................... 287
5.1.4 Tools for Adjustments . ............................................................................ 289
5.1.5 Service Program Basic Operations . ......................................................... 290
5.2 NV-RAM BACKUP UTILITY . ....................................................................... 295
5.3 CR Related Adjustment . ................................................................................... 296
5.3.1 CR Timing Belt Tension Adjustment . ..................................................... 296
5.3.2 CR Encoder Sensor Adjustment . ............................................................. 300
5.3.3 Head PG Adjustment . .............................................................................. 301
5.3.4 Cleaning PG Adjustment . ........................................................................ 303
5.4 Head Related Adjustments . .............................................................................. 305
5.4.1 Head Rank ID . ......................................................................................... 305
5.4.2 Head Cleaning . ........................................................................................ 307
5.4.3 Nozzle Check . .......................................................................................... 308
5.4.4 Printhead Slant Adjustment (CR) . ........................................................... 309
5.4.5 Printhead Slant Adjustment (PF) . ............................................................ 312
5.4.6 Auto Uni-D Adjustment . ......................................................................... 314
5.4.7 Auto Bi-D Adjustment . ............................................................................ 315
5.4.8 Colorimetric Calibration (Color ID)
with SpectroProofer . ............................................................................... 316
5.4.9 Absorber Position Check . ........................................................................ 332
5.4.10 Ink Mark Sensor Height Adjustment . .................................................... 333
5.4.11 Ink Mark Sensor Adjustment . ................................................................ 334
5.4.12 Air Leak Check for Ink Supply System . ................................................ 335
5.4.13 Initial Ink Charge Flag ON/OFF . .......................................................... 337
5.4.14 Initial Ink Charge . .................................................................................. 337
5.5 PF Related Adjustment . .................................................................................... 338
5.5.1 PF Timing Belt Tension Adjustment . ...................................................... 338
5.5.2 Skew Check .............................................................................................. 340
5.5.3 Band Feed ................................................................................................. 341
5.5.4 T&B&S Adjustment . ............................................................................... 342
5.5.5 Paper Thickness Sensor Position Adjustment . ........................................ 344
5.5.6 PF Encoder Sensor Adjustment . .............................................................. 347
5.5.7 Rear Sensor AD Adjustment . .................................................................. 348
5.6 AID Related Adjustment . ................................................................................. 349
5.6.1 AID Function check . ................................................................................ 349
5.7 Other Adjustment .............................................................................................. 351
5.7.1 Setting Destination . ................................................................................. 351
5.7.2 Input CR/PF Motor Current . .................................................................... 352
5.7.3 RTC and USB ID . .................................................................................... 353
5.7.4 Installing Firmware . ................................................................................. 354
5.7.5 Input Serial Number . ............................................................................... 356
5.7.6 Input MAC Address . ................................................................................ 357
5.7.7 Cut Position Adjustment . ......................................................................... 358
5.7.8 Ink Holder Adjustment . ........................................................................... 359
5.8 Clear Counters ................................................................................................... 360
5.9 Tests ................................................................................................................... 361
5.9.1 Network Communication Check . ............................................................ 361
5.9.2 Suction Fan Operation Check . ................................................................. 361
5.9.3 Color LCD Display Check . ..................................................................... 362
5.9.4 Button Operation Check . ......................................................................... 362
5.9.5 Inspection of the SpectroProofer . ............................................................ 363
5.10 Check Adjustments Results . ........................................................................... 376
Revision D
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