Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
8
Confidential
Chapter 4 ADJUSTMENT
4.1 Overview .......................................................................................................... 278
4.1.1 Precautions ............................................................................................... 278
4.1.2 Adjustment Items and the Order by Repaired Part .................................. 279
4.1.3 Description of Adjustments ..................................................................... 289
4.1.4 Tools/Consumables for Adjustments ....................................................... 299
4.1.5 Service Program Basic Operations .......................................................... 301
4.2 NV-RAM BACKUP UTILITY/NVRAM Viewer ........................................... 302
4.2.1 NVRAM Read Procedure ........................................................................ 302
4.2.2 NVRAM Write Procedure ....................................................................... 302
4.2.3 NVRAM Viewer Basic Operation ........................................................... 303
4.3 ADJUSTMENTS (Individual) .......................................................................... 305
4.4 ADJUSTMENTS (Sequence) ........................................................................... 306
4.5 Installing Firmware .......................................................................................... 307
4.6 Image & Test Print ........................................................................................... 309
4.7 Counter Reset ................................................................................................... 312
4.8 References ........................................................................................................ 314
4.9 Initial Ink Charge Flag ...................................................................................... 315
4.10 CR Related Check & Adjustments ................................................................. 316
4.10.1 FFC Position Check ............................................................................... 316
4.10.2 CR Belt Adjustment ............................................................................... 319
4.10.3 PG Height Check & Adjustment ........................................................... 321
4.10.4 APG Check ............................................................................................ 326
4.10.5 CR Encoder and Scale Check ................................................................ 327
4.10.6 CR Speed Initialize ................................................................................ 328
4.10.7 Active Damper Adjustment ................................................................... 329
4.10.8 Ink Mark Sensor Check & Adjustment ................................................. 330
4.11 Head Related Checks and Adjustments .......................................................... 332
4.11.1 Head ID Check & Input ......................................................................... 332
4.11.2 Nozzle Check ......................................................................................... 334
4.11.3 Cleaning ................................................................................................. 335
4.11.4 CR & PF Direction Head Slant Adjustment .......................................... 336
4.11.5 Auto Bi-D Adjustment ........................................................................... 341
4.11.6 Colorimetric Calibration (Color ID)
with SpectroProofer ................................................................................. 342
4.12 Ink Supply Related Checks and Adjustments ................................................ 356
4.12.1 Wiper and Cap Cleaning & Exchange ................................................... 356
4.12.2 Maintenance Box Remaining Space Check ........................................... 357
4.12.3 Ink Eject and Initial Charge ................................................................... 358
4.12.4 Ink Selector Movement Check .............................................................. 360
4.12.5 ILS & CSIC Check ................................................................................ 361
4.12.6 Tubes Cleaning (and Ink Charge per Two Rows) ................................. 363
4.12.7 Leak Check (visually) ............................................................................ 365
4.13 Media Feed Related Checks and Adjustments ............................................... 366
4.13.1 PF Belt Adjustment ............................................................................... 366
4.13.2 PF Encoder and Scale Check ................................................................. 368
4.13.3 Paper Thickness Sensor Position Adjustment ....................................... 369
4.13.4 Rear AD Adjustment ............................................................................. 372
4.13.5 Media Feed Correction Check & Adjustment ....................................... 373
4.13.6 Media Eject Correction Check & Adjustment ....................................... 376
4.13.7 PW + T&B&S Check & Adjustment .................................................... 378
4.13.8 Cut Position Check & Adjustment ........................................................ 380
4.13.9 Cutter Belt Tension Check .................................................................... 381
4.13.10 Suction Check & Adjustment .............................................................. 383
4.14 Boards Related Checks and Adjustments ....................................................... 385
4.14.1 RTC&USB ID ....................................................................................... 385
4.14.2 Serial Number Check & Input ............................................................... 386
4.14.3 AID Function Check .............................................................................. 387
4.14.4 MAC Address Check & Input ............................................................... 388
4.14.5 USB Port and Network Communication Check .................................... 389
4.14.6 Adjustment Value Reset ........................................................................ 390
4.14.7 Default Reset ......................................................................................... 391
4.14.8 Operation Panel Check (Buttons & LCD) ............................................. 392
4.15 Other Printer Checks and Adjustments .......................................................... 393
4.15.1 Motor Measurement Adjustment ........................................................... 393
4.15.2 Sensor Check ......................................................................................... 394
4.15.3 Encoder Check ....................................................................................... 399
4.16 SpectroProofer Related Adjustments ............................................................. 401
4.16.1 SpectroProofer Sensor Check ................................................................ 401
4.16.2 SpectroProofer Movement Check ......................................................... 404
4.16.3 SpectroProofer Measurement Precision Check ..................................... 406
4.16.4 SpectroProofer Serial Number Check & Input ...................................... 408
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