This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON Stylus PHOTO 2000P. 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.
The chapters are organized as follows:
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
Provides the step-by-step procedures for troubleshooting.
CHAPTER 4. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the product.
CHAPTER 5. ADJUSTMENTS
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 Summary
• EEPROM Address Map
• Circuit Board Component Layout
• Exploded Diagrams
• Parts List
• Electrical Board Circuit Diagrams
Chapter 1 Product Descriptions
1.1 General Characteristics
1.2 Printing specification
1.2.1 Printing specification
1.2.2 Paper feeding
1.2.3 Input data buffer
1.2.4 Electric specification
1.2.5 Environmental condition
1.2.6 Reliability
1.2.7 Safety Approvals
1.2.8 Acoustic noise
1.2.9 CE Marking
1.3 Interface
1.3.1 Hardware interface
1.3.1.1 Parallel interface
1.3.1.2 Parallel Interface (Reverse Channel)
1.3.1.3 USB interface
1.3.1.4 Prevention Hosts from Data Transfer Time-out
1.3.1.5 Interface Selection
1.3.1.6 IEEE1284.4 protocol
1.4 Operator Controls
1.4.1 Buttons
1.4.2 LED Indicators
1.4.3 Panel Functions
1.4.4 Special Setting Mode
1.4.5 Printer Condition and Panel Status
1.4.6 Errors
1.4.7 Printer Initialization
1.5 Paper
1.5.1 Paper handling
1.5.2 Paper specification
1.5.2.1 Cut Sheet
1.5.2.2 Envelope
1.5.2.3 EPSON special media
1.6 Printing area
1.6.1 Cut Sheet
1.6.1.1 Envelopes
1.7 Ink cartridge
1.7.1 Black ink cartridge
1.7.2 Color ink cartridge
1.8 Physical specification
Chapter 2 OPERATING PRINCIPLES
2.1 Overview
2.1.1 Printer Mechanism
2.1.2 Ink
2.1.2.1 Comparison between Pigment Ink and Dye Ink
2.1.2.2 Drop of Pigment Ink and Dye Ink
2.1.3 Printhead Mechanism
2.1.4 Carriage Mechanism
2.1.4.1 Carriage Motor (CR Motor)
2.1.4.2 Platen Gap (PG) /Parallelism Adjustment Mechanism
2.1.4.3 Carriage Home Position (HP) Detection
2.1.5 Paper Feeding Mechanism
2.1.5.1 CR Lock Mechanism
2.1.6 Paper Loading Mechanism
2.1.6.1 Drive Transmission to the ASF Unit
2.1.6.2 Paper Loading Operation
2.1.6.3 Pump Mechanism.
2.1.6.4 Capping Mechanism
2.2 Electrical Circuit Operating Principles
2.2.1 C298PSB/PSE Board
2.2.1.1 Electrical Circuit
2.2.1.2 Protection Circuits
2.2.1.3 Power Supply Control Function
2.2.1.4 Energy Save Mode
2.2.2 C304MAIN Board Circuit Operation Principles
2.2.2.1 Printhead Driver Circuit
2.2.2.2 Reset Circuit
2.2.2.3 Motor Driver Circuit
2.2.2.4 ASF/Pump Motor Driver Circuit
2.2.2.5 EEPROM Control Circuit
2.2.2.6 Sensor Circuit
Chapter 3 TROUBLESHOOTING
3.1 Overview
3.1.1 Self-Diagnostic Function
3.1.1.1 Troubleshooting with LED Error Indicators
3.1.1.2 Error Conditions
3.1.1.3 Remedies for Paper Out Error
3.1.1.4 Remedies for the Paper Jam Error
3.1.1.5 Remedies for No Ink Cartridge Error/Ink Cartridge Problem
3.1.1.6 Remedies for Maintenance Request Error
3.1.1.7 Remedies for Fatal Error
3.1.2 Isolating the Faulty Part on the Power Supply Board
3.1.3 Isolating the Faulty Part according to the Phenomenon
3.2 FAQ
Chapter 4 DISASSEMBLY AND ASSEMBLY
4.1 Overview
4.1.1 Precaution for Disassembling the Printer
4.1.2 Tools
4.1.3 Specifications for Screws
4.1.4 Service Checks After Repair
4.2 Disassembly Procedures
4.2.1 HOUSING Removal
4.2.2 Circuit Board Assembly Removal
4.2.3 Panel Unit Removal
4.2.4 Printhead Unit Removal
4.2.5 TRAY, ABSORBER ASSEMBLY Removal
4.2.6 Ink Unit Removal
4.2.7 MOTOR ASSEMBLY, CR Removal
4.2.8 MOTOR ASSEMBLY, ASF Removal
4.2.9 DE Unit Removal
4.2.10 ASF Unit Removal
4.2.10.1 SHAFT, ROLLER, LD Removal
4.2.10.2 ROLLER ASSEMBLY, LD, RIGHT/LEFT Removal
4.2.11 Carriage Unit Removal .
4.2.12 BOARD ASSEMBLY, ENCODER Removal
4.2.13 ROLLER, PF Removal
4.2.13.1 SCALE, PF Installation
4.2.14 MOTOR ASSEMBLY, PF Removal
4.2.15 PE Sensor Unit Removal
Chapter 5 ADJUSTMENT
5.1 Overview
5.1.1 Adjustment Items
5.1.2 Adjustment Tools
5.2 Adjustment
5.2.1 Parallelism Adjsutment .
5.2.2 Backlash Adjsutment
5.2.3 Using the Adjustment Program
5.2.3.1 About the Adjustment Program
5.2.3.2 How to Install the Program
5.2.3.3 How to Uninstall the Program
5.2.3.4 Starting the Adjustment Program
5.2.4 Head voltage ID input
5.2.4.1 Where to Find the Head ID
5.2.4.2 Check Present Data
5.2.4.3 Change Data
5.2.5 Head angular adjsutment
5.2.6 Bi-Directional adjustment
5.2.7 USB ID check/input
5.2.7.1 Inputting/Checking the USB ID
5.2.8 Head cleaning
5.2.9 Initial ink charge .
5.2.10 Protection counter check
5.2.10.1 Check the Present Counter Value
5.2.10.2 Clear the Protection Counter Values
5.2.11 CSIC information
5.2.12 Print A4 pattern
5.2.12.1 Recovery Routine
Chapter 6 MAINTENANCE
6.1 Overview
6.1.1 Cleaning
6.1.2 Service Maintenance
6.1.2.1 Head Cleaning
6.1.2.2 Paper Eject Roller Cleaning
6.1.2.3 ASF Roller Cleaning
6.1.2.4 Maintenance Request Error Clear
6.1.3 Lubrication
Chapter 7 APPENDIX
7.1 Connector Summary
7.1.1 Connector Pin Assignment
7.2 EEPROM Address Map
7.3 Circuit Board Component Layout
7.4 Exploded Diagrams
7.5 Parts List
7.6 Electrical Circuit Board Diagrams
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