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EPSON 7900 9900 7910 9910 Service Manual (ebook)

EPSON 7900 9900 7910 9910 Service Manual (ebook)
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SKU SDT-EP-7900SM-EB
 
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  • How to repair Epson Stylus Pro 7900_9900_7910_9910  Inkjet Printer?
  • How to maintain and fix your Inkjet Printer?
  • product description, operating principles,
  • troubleshooting, disassembly and assembly,
  • adjustment, maintenance, connector summary,
  • electrical circuit diagrams.

EPSON 7900_9900_7910_9910 Service Manual (ebook)

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EPSON 7900 _9900_7910_9910 Service Manual (ebook) Revision C

Confidential

 

Contents
Chapter 1 PRODUCT DESCRIPTION
1.1 Product Description .............................................................................................. 9
1.2 Basic Specifications ............................................................................................ 11
1.2.1 Basic Specifications ................................................................................... 11
1.2.2 Electric Specifications ............................................................................... 11
1.2.3 Ink Specifications ...................................................................................... 12
1.2.4 General Specifications ............................................................................... 12
1.2.5 Reliability/Durability ................................................................................. 13
1.3 Printing Specifications ........................................................................................ 14
1.3.1 Paper Feed Specifications .......................................................................... 14
1.3.2 Paper Specification .................................................................................... 14
1.3.3 Printable Area ............................................................................................ 20
1.3.4 Borderless Printing Specification .............................................................. 21
1.3.5 Cutting of Roll Paper ................................................................................. 22
1.4 Dimensions and Main Components .................................................................... 23
1.4.1 Dimensions and Weight ............................................................................. 23
1.4.2 Part Names ................................................................................................. 23
1.5 Control Panel ...................................................................................................... 25
1.5.1 Menu Mode Settings .................................................................................. 32
1.5.2 Maintenance Mode .................................................................................... 39
1.5.3 Serviceman Mode ...................................................................................... 40
Chapter 2 OPERATING PRINCIPLES
2.1 Main Body .......................................................................................................... 49
2.1.1 Housing ...................................................................................................... 49
2.1.2 Electric Circuit Components ...................................................................... 50
2.1.3 Carriage Mechanism .................................................................................. 51
2.1.4 APG Mechanism ........................................................................................ 52
2.1.5 Paper Feed Mechanism .............................................................................. 53
2.1.6 Ink System ................................................................................................. 54
2.2 Options ............................................................................................................... 57
2.2.1 Auto Take-up Reel ..................................................................................... 57
2.2.2 SpectroProofer ........................................................................................... 58
Chapter 3 TROUBLE SHOOTING
3.1 Overview ............................................................................................................ 60
3.1.1 Preliminary Check ..................................................................................... 60
3.1.2 Troubleshooting Procedure ........................................................................ 60
3.2 List of Error Messages ....................................................................................... 61
3.3 Remedies for Error Messages ............................................................................. 64
3.4 Remedies for Error Messages related to SpectroProofer/Auto Take-up Reel .... 71

3.5 Maintenance Requests ................................................................. 76

 

 

3.6 Remedies for Service Call Error ........................................................................ 78
3.7 Remedies for Print Quality Troubles .................................................................. 94
Chapter 4 DISASSEMBLY & ASSEMBLY
4.1 Overview ............................................................................................................ 97
4.1.1 Precautions ................................................................................................. 97
4.1.2 Orientation Definition ................................................................................ 99
4.1.3 Recommended Tools ................................................................................. 99
4.1.4 Cautions when replacing the Main Board Assy/Power Supply Board Assy ..
100
4.2 Parts Diagram ................................................................................................... 101
4.3 Disassembly Flowchart .................................................................................... 108
4.4 Disassembly and Assembly Procedure ............................................................. 114
4.4.1 Special operation for servicing ................................................................ 114
4.4.2 Housing .................................................................................................... 116
4.4.3 Electric Circuit Components ................................................................... 141
4.4.4 Carriage Mechanism ................................................................................ 149
4.4.5 Paper Feed Mechanism ............................................................................ 163
4.4.6 Ink System Mechanism ........................................................................... 179
4.4.7 Auto Take-up Reel ................................................................................... 214
4.4.8 SpectroProofer ......................................................................................... 226
Chapter 5 ADJUSTMENT
Epson Stylus Pro 7900/7910/9900/9910 Revision C
7
Confidential
5.1 Overview .......................................................................................................... 253
5.1.1 Precautions ............................................................................................... 253
5.1.2 Adjustment Items and the Order by Repaired Part .................................. 254
5.1.3 Description of Adjustments ..................................................................... 256
5.1.4 Tools for Adjustments ............................................................................. 258
5.1.5 Service Program Basic Operations .......................................................... 259
5.2 NV-RAM BACKUP UTILITY ........................................................................ 264
5.3 CR Related Adjustment .................................................................................... 265
5.3.1 CR Timing Belt Tension Adjustment ...................................................... 265
5.3.2 CR Encoder Sensor Adjustment .............................................................. 269
5.3.3 Head PG Adjustment ............................................................................... 270
5.3.4 Cleaning PG Adjustment ......................................................................... 272
5.4 Head Related Adjustments ............................................................................... 274
5.4.1 Head Rank ID .......................................................................................... 274
5.4.2 Head Cleaning ......................................................................................... 275
5.4.3 Nozzle Check ........................................................................................... 276
5.4.4 Printhead Slant Adjustment (CR) ............................................................ 277
5.4.5 Printhead Slant Adjustment (PF) ............................................................. 280
5.4.6 Auto Uni-D Adjustment .......................................................................... 282
5.4.7 Auto Bi-D Adjustment ............................................................................. 283
5.4.8 Colorimetric Calibration (Color ID)
with SpectroProofer ................................................................................. 284
5.4.9 Absorber Position Check ......................................................................... 300
5.4.10 Ink Mark Sensor Height Adjustment ..................................................... 301
5.4.11 Ink Mark Sensor Adjustment ................................................................. 302
5.4.12 Air Leak Check for Ink Supply System (TBD) ..................................... 303
5.4.13 Initial Ink Charge Flag ON/OFF ............................................................ 306
5.4.14 Initial Ink Charge ................................................................................... 306
5.5 PF Related Adjustment ..................................................................................... 307
5.5.1 PF Timing Belt Tension Adjustment ....................................................... 307
5.5.2 Skew Check ............................................................................................. 309
5.5.3 Band Feed ................................................................................................ 310
5.5.4 T&B&S Adjustment ................................................................................ 311
5.5.5 Paper Thickness Sensor Position Adjustment ......................................... 313
5.5.6 PF Encoder Sensor Adjustment ............................................................... 315
5.5.7 Rear Sensor AD Adjustment ................................................................... 316
5.6 AID Related Adjustment .................................................................................. 317
5.6.1 AID Function check ................................................................................. 317
5.7 Other Adjustment ............................................................................................. 319
5.7.1 Setting Destination .................................................................................. 319
5.7.2 Input CR/PF Motor Current ..................................................................... 320
5.7.3 RTC and USB ID ..................................................................................... 321
5.7.4 Installing Firmware .................................................................................. 322
5.7.5 Input Serial Number ................................................................................ 324
5.7.6 Input MAC Address ................................................................................. 325
5.7.7 Cut Position Adjustment .......................................................................... 326
5.8 Clear Counters .................................................................................................. 327
5.9 Tests .................................................................................................................. 328
5.9.1 Network Communication Check ............................................................. 328
5.9.2 Suction Fan Operation Check .................................................................. 328
5.9.3 Color LCD Display Check ...................................................................... 329
5.9.4 Button Operation Check .......................................................................... 329
5.9.5 Inspection of the SpectroProofer ............................................................. 330
5.10 Check Adjustments Results ............................................................................ 343
Chapter 6 MAINTENANCE
6.1 Overview .......................................................................................................... 345
6.2 Setting Up/Storing the Printer .......................................................................... 347
6.2.1 Setting Up ................................................................................................ 347
6.2.2 Storing the Printer and Cleaning the Ink Path ......................................... 347
6.3 Transportation .................................................................................................. 349
6.4 Cleaning ............................................................................................................ 350
6.5 Lubrication ....................................................................................................... 352
Chapter 7 APPENDIX
7.1 Block Wiring Diagram ..................................................................................... 359
7.1.1 Main Body ............................................................................................... 359
7.1.2 Auto Take-up Reel ................................................................................... 360
7.1.3 SpectroProofer ......................................................................................... 360
7.2 Panel Menu Map .............................................................................................. 361
7.3 Part names used in this manual ........................................................................ 364
7.4 Parts List ........................................................................................................... 366
7.5 Exploded Diagram ............................................................................................ 375

 

 

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- One year warranty from you receive the item. (No more than the original manufacturers warranty)
- Warranty covers whole machine, includes electrical, mechanical.
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We will accept returns on all items within 30 days of you receiving the package. Please notify me of your intention to return the package within that time so We know to look for the package and can have your refund ready to send to you when I receive the package back. Refunds will be for item cost only shipping and handling will not be refunded. Item must be in the same condition as when item was sent. Shipping and handling in any case are not refundable.

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