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

FORMAT: High resolution PDF document!
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!

  John Noel 2020-11-09 16:44:24  
  Thank you ! Work perfectly ! Model Epson WF 5620
  adien sari 2007-06-23 11:20:40  
  software reseter r350 free download yang gratis ya
  Ronald Guevarra 2020-07-19 18:26:14  
  Great software! Helped me out most when i needed. Downloaded software and used the trail key and instantly reset my printer, will definitely purchase key next time when needed. Thanks
  Yıldırım Oran 2006-09-01 11:50:06  
  Thank you!
  Amit Das 2012-09-30 18:27:52  
  I bought your soft on your web site and used it without any trouble My printer works again Thanks a lot for your work
  Gary Ouellet 2011-12-01 05:23:29  
  Thanks, it worked exactly as the instructions provided. The only matter now is to get a kit for the waste ink. No wonder the ink is so expensive - so much goes to waste. Where can I get a kit to store the wasted ink? Thanks again, Gary
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Service Manual