Stylus Photo 925 Printer
Service Manual

$9.99
Stylus Photo 925 Printer <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 theproduct

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

CHAPTER 7.APPENDIX
Provides the following additional information for reference:
• Connector pin assignments
• Electric circuit boards components layout
• Electrical circuit boards schematics
• Exploded diagram & Parts List

PRODUCT DESCRIPTION
FEATURES
SPECIFICATIONS
Physical Specification
Printing Specification
Paper Feeding
Paper Specification
Plain Paper
Envelope
Exclusive paper
Printing Area
Cut Sheet
Envelopes
Ink Cartridge Specification
Black Ink Cartridge
Color Ink Cartridge
Electric Specification
Environmental Condition
Reliability
Safety Approvals
Acoustic Noise
CE Marking
INTERFACE
Parallel Interface (Forward Channel)
Parallel Interface (Reserve Channel)
USB Interface
Prevention Hosts of Data Transfer Time-out
Interface Selection
IEEE1284.4 Protocol
PANEL CONTROL
Indicators (LEDs)
Panel Functions
Printer Condition and Panel Status
Error Status
Printer Initialization

Operating Principles
Overview
Printer Mechanism
Printhead
Printing Process
Printing Method
Carriage Mechanism
Paper Loading/Feeding Mechanism
Paper Loading Mechanism (ASF unit)
Paper Feeding Mechanism
Ink System Mechanism
Capping Mechanism
Pump unit mechanism
Ink Sequence
Electrical Circuit Operating Principles
C417 PSB/PSE board
C418 MAIN/MAIN-B Board
Main Elements
Printhead Driver Circuit
PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit
CR Motor Driver Circuit
Reset Circuit
EEPROM Control Circuit
Sensor Circuit

Troubleshooting
Overview
Troubleshooting with LED Error Indications
and Status Monitor 3 Message
Unit Level Troubleshooting

Disassembly and Assembly
Overview
Precautions
Tools
Screws
Work Completion Check
Disassembly
Upper housing removal
Printhead removal
CR unit removal
CR motor removal
ASF unit removal
PSB/PSE unit removal
Holder shaft unit removal
Circuit board removal
Waste drain ink pad (under the ASF unit) removal
Lower housing removal
Caution regarding Ink system removal, PF roller
unit removal and PF motor removal
Ink system unit removal
(Cap unit, Pump unit & Waste drain ink pad)
PF roller unit removal
PF motor removal

Adjustment
Overview
Required Adjustment

Maintenance
Overview
Cleaning
Service Maintenance
Lubrication

Appendix
Connector Summary
Major Component Unit
EEPROM Address Map
Component Layout
Exploded Diagram
Parts List
Electrical Circuits


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ZIP archive: 7 768 kB

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

  kone sekou 2025-04-25 23:03:05  
  i have and will always bee using EPSON NOT only for the printing quality but also for the long time solution provided thank you
  Boris Salnikov 2025-11-08 23:16:00  
  Dear Sirs, my priter is Epson ET-2820. The reset of waste counter is not possible, but the printer is available in the list of printers. All stepst will be executed acc. to you specification. Isuue is: Querry has been rejected by the device. -Current devis specification are brocen, incorrect or out of date. - Please try to update this application to the most recent version first. - Otherwise, plese report all available information about this issue to us. The current firmaware is XP26P8 26/08/2025 Could you please check this info and sen me your response Thank you in advance BR Boris Salnikov
  Le-Jaune Morgan 2025-07-10 15:51:46  
  You saved me a ton of money. This is the second time I had to reset a printer's waste pad, and Wicreset has not disappointed me. Thank you, thank you, thank you!
  Paco Vidal 2022-08-08 02:25:55  
  Your product worked! My error message said I had to take it in for servicing. For $10 I fixed it myself :) Thank you!!
  FERNANDO ALVES 2008-01-08 10:31:22  
  Epson C91, C92 Service Adjustment Program eu precisooooooooooooooooooooooooooooooooo
  andi ahmad 2019-12-11 06:01:36  
  my printer blinking red light solve problem help this problem thanks for solve this problem
  jose quintero 2016-11-27 23:26:18  
  As always, your program worked great and my printer is back working. Thanks again. Your company is great!
  igor shlaifman 2018-11-04 00:54:01  
  It works perfect to disable the ink level on EP WF-5190. Thanks.
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