Stylus Photo 785EPX, 895 Printers
Service Manual

$9.99
Stylus Photo 785EPX, 895 Printers<br> Service Manual
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This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page

This manual consists of six chapters and Appendix

CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the product

CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of electrical and mechanical operations of the product

CHAPTER 3. TROUBLESHOOTING
Describes the step-by-step procedures for the troubleshooting

CHAPTER 4. DISASSEMBLY / ASSEMBLY

Describes the step-by-step procedures for disassembling
and assembling the product

CHAPTER 5. ADJUSTMENT

Provides Epson-approved methods for adjustment

CHAPTER 6. MAINTENANCE

Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product

APPENDIX
Provides the following additional information for reference:
Connector pin assignments
Electric circuit boards components layout
Electrical circuit boards schematics
Exploded diagram & Parts List

CONTENTS

Chapter 1 PRODUCT DESCRIPTION
1.1 FEATURES
1.2 SPECIFICATIONS
1.2.1 Physical Specification
1.2.2 Printing Specification
1.2.3 Paper Feeding
1.2.4 Input Data Buffer
1.2.5 Electric Specification
1.2.6 Environmental Condition
1.2.7 Reliability
1.2.8 Safety Approvals
1.2.9 Acoustic Noise
1.2.10 CE Marking
1.3 INTERFACE
1.3.1 USB Interface
1.4 PCMCIA Card Slot
1.4.1 Card Slot Standard
1.4.2 Supported Memory Card
1.4.3 Supported Voltage
1.5 Standalone Print Function
1.5.1 File System
1.5.2 File Format
1.5.3 Valid Image Sizes
1.5.4 Maximum Number of Photo Data Files
1.5.5 Thumbnail Image Data
1.5.6 File Sort
1.5.6.1 File Sort Rule
1.5.6.2 Date Data Capture Rule
1.5.6.3 Date Range
1.6 Printer PNL Operation Specifications
1.6.1 Switches
1.6.2 Indicators
1.6.3 Panel Functions
1.6.4 Printer Condition and Panel Status
1.7 Printer Initialization
1.8 Initial setting values
1.9 Errors
1.10 Printing of filled patterns
1.11 Monochrome PNL operation specification
1.11.1 Appearance
1.11.2 Swith Function
1.11.3 Process LED
1.11.4 Error Display (LCD)
1.12 PAPER
1.12.1 Paper Handling
1.12.2 Paper Specification
1.12.2.1 Cut Sheet
1.12.2.2 Envelope
1.12.2.3 EPSON special media
1.12.3 Printing Area
1.12.3.1 Cut Sheet
1.12.3.2 Envelopes
1.13 INK CARTRIDGE
1.13.1 Black Ink Cartridge
1.13.2 Color Ink Cartridge
1.14 Accessories and Option
1.15 Changing the Model Name

Chapter 2 Operating Principles
2.1 Overview
2.1.1 Printer Mechanism
2.1.2 Printhead
2.1.2.1 Printing Process
2.1.2.2 Printing Method
2.1.3 Carriage Mechanism
2.1.4 Paper Feeding Mechanism
2.1.5 Paper Loading Mechanism (ASF Unit)
2.1.6 Ink System Mechanism
2.1.6.1 Pump Unit & Wiper mechanism
2.1.6.2 Capping Mechanism
2.2 Electrical Circuit Operating Principles
2.2.1 C408 PSE board
2.2.1.1 Process how 42VDC, 5VDC and 3.3VDC are generated
2.2.1.2 Protection circuit
2.2.1.3 PS Control Function
2.2.1.4 Power saving mode
2.2.2 C408 MAIN Board
2.2.2.1 Main elements
2.2.2.2 Printhead Driver Circuit
2.2.2.3 CR Motor Driver Circuit
2.2.2.4 PF Motor Driver Circuit
2.2.2.5 ASF Motor Drive Circuit
2.2.2.6 Reset and EEPROM circuits
2.2.2.7 Sensor Circuit

Chapter 3 Troubleshooting
3.1 Overview
3.2 Troubleshooting with LED Error Indications

Chapter 4 Disassembly and Assembly
4.1 Overview
4.1.1 Precautions
4.1.2 Tools
4.1.3 Work Completion Check
4.2 Disassembly
4.2.1 Housing Removal
4.2.2 Operation Panel removal
4.2.2.1 Printer Panel Board Removal
4.2.2.2 Monochrome panel board removal
4.2.3 Housing Lower Cover Removal
4.2.3.1 Housing Lower Cover Left Removal
4.2.3.2 Housing Lower Cover Right Removal
4.2.4 Printhead removal
4.2.5 CR motor removal
4.2.6 Waste drain ink pad unit removal
4.2.7 Printer mechanism removal
4.2.8 Circuit board removal
4.2.9 LD Roller removal
4.2.10 HP/PE Sensor removal
4.2.11 Ink system unit removal (Cap & Pump unit )
4.2.12 ASF Motor Removal
4.2.13 Paper Eject Roller removal
4.2.14 PF motor removal
4.2.15 CR unit removal
4.2.16 Paper feed roller removal
4.2.17 Disassembling ASF frame unit
4.3 Preview monitor disassembly procedure
4.3.1 Back case removal
4.3.2 Removal of the control board unit
4.3.3 Panel unit removal

Chapter 5 Adjustment
5.1 Outline
5.1.1 Adjustment items
5.2 Parallel adjustor
5.3 Adjustments with the service program
5.3.1 Outline
5.3.2 Starting up the service program
5.3.3 EEPROM initial setting
5.3.4 Head ID
5.3.5 Bi-D
5.3.6 USB ID
5.3.7 Memory card drive confirmation
5.3.8 Head cleaning
5.3.9 Ink replenishment
5.3.10 Refurbishment for DOA
5.3.11 Protection counter
5.3.12 Printing on normal A4 paper
5.3.13 CSIC information
5.3.14 EEPROM data
5.4 Firmware update
5.4.1 Firmware update method
5.4.2 Firmware version check method
5.5 Adjustment/inspection of the preview monitor
5.5.1 Update to the firmware for inspection
5.5.2 Brightness adjustment
5.5.2.1 Brightness adjustment procedures
5.5.3 Image pattern inspection

Chapter 6 Maintenance
6.1 Overview
6.1.1 Cleaning
6.1.2 Service Maintenance
Chapter 7 Appendix
7.1 Connector Summary
7.1.1 Major Component Unit
7.1.2 EEPROM Address Map (printer section)
7.1.3 EEPROM Address Map (Storage section)
7.2 Exploded Diagram
7.3 Parts List
7.4 Electrical Circuits

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ZIP archive: 8 693 kB

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We are in business since 2002 and do our best to give our customers perfect service!

  Luis Ivan Martinez 2013-10-23 05:23:28  
  Your product worked like a dream. I have been having a horrible problem using ideas from other sources and your solution worked immediately and fast! Excellent program, you save my wallet and time...!!! Epson Artisan 810
  Peter Eichberg 2011-10-24 01:36:03  
  I just bought the Epson Artisan 800 ink pad resetting software and it did the trick and totally reset the ink pad counter just like advertised. However, I must give anyone who uses the software a piece of advice. The product will not work wirelessly. You MUST connect your printer via the printer's USB connection. The printed material that comes with the download does not mention this. I had to play around with the printer before I realized there had to be a USB connection. Once I figured this out it was a snap to get the printer to reset and the error I was getting has now stopped appearing! I could not be happier with my purchase and I must admit I was a skeptic when I first bought the download. You guys are terrific and I will never fail to but again from 2Manuals.com. Peter
  Nancy Ludwig 2018-02-14 18:48:52  
  Epson has a new printer. XP-15000. It would be good if we could reset the waste ink for it.
  mikel baculio 2007-12-26 21:35:51  
  this site is very good to the technicains of epson r230
  paulo ishikawa 2014-12-28 09:00:00  
  tnx so much! =) i just reset my epson L1300, it only took 1-2mins and my printer is now back online
  Patrick Blom Bachstein 2016-02-25 19:28:33  
  So had my Epson Pro 4900 disconnected from powersupply for about a month and a half, due to new facilities in my studio. Powered it up, printed a nozzle check, and banged my head against the wall! Only magenta and light cyan did appear, and two broken lines of photo black. Did the Windex trick 5-8 times, and at the 16. nozzlecheck, 9 colours appeared, BUT some actually has got worse, the more Windex the head had.
Preparing myself on making a stronger brew for the cleaning (a lot of Googling and reading!), I came across the Service Program. Reluctant to spill ~ 150 ml of ink, I first moved along (also, the website seemed shady, however, alot of mentions on various foras).

Today I decided \'What the heck, 30 bucks, if it doesn\'t work, I\'ll survive\', so I purchased a license, installed on a laptop (with USB connection instead of network), and chose the option to prime the left channels first - and WOW: EVERY nozzle on that side now fired, and made an (99%) perfect nozzle check. So did the other side, when finished filling the lines again.
So: 5 f*cking huge stars from me! :)
Thank you for this wonderful utility!
  Dominique Aigroz 2019-08-12 17:55:31  
  I'm happy, you saved my day. I was completely blocked. Thank you!
  Nary Preng 2008-02-07 19:36:04  
  I want to know this program before i buy it. Can you explain me about your program i had many problem with my printer of Epson R270.
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Service Manual