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

  mirza subing 2008-02-20 08:31:28  
  I want to know this program before i buy it. Can you explain me about your program i had many proble..
  Theuns Vorster 2019-09-30 19:00:12  
  I had a G3400 with the 5B00 error. I purchased the Rest Key and I am printing again. Thank you very much...
  Felipe Freitas 2015-05-20 22:51:38  
  Thanks you, reseted a Epson l1300 ink waste counter sucessfully, who sold me the printer wanted to charge me $25 and I would still have to take the printer to his office.
  Gerard van Bennekom 2019-06-18 14:00:12  
  Much easier then I had expected. Downloaded the program, purchased the key, switch off and on the printer and that was it! The printer works again.
  Anonymous 2016-08-17 20:24:52  
  the rester reset epson P600 with at26fb firmware
  sainanda min 2007-08-07 00:58:34  
  My printer stopped printing with the error as \"General Error\" Epson quoted me $60 to send an engineer to fix my printer. After reading through the information on this site I decided to fix it myself. Found the problem was related to the waste ink pad counter. Only 10 minutes, I had the the printer working. The printer tested fine and has done approx 150 pages since with NO issues. Thanks!
  Dennis Hamand 2012-10-07 00:58:14  
  John. Your a star and just saved my bacon. Needed presentations printing and this reset was just what I needed for me to complete the job on time. I wish I could have found you more quickly but as they say better late than never. Cheers
  algeria16 algeria 2011-07-26 16:04:21  
  I AM FROM ALGERIA I CANT BUY THIS SOFT BECAUSE THERE IS NOT A WAY FOR PAYMENT !!! ------------------------------------------ You can pay by Western Union
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Service Manual