Epson Stylus Color 440

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EPSON Stylus COLOR 440, 640, and 740 Appendix

173

Figure A-14. C206PNL Component Layout

Figure A-15. C209PNL Component Layout

Main Page

Default Chapter2
- EPSON Stylus COLOR 440, 640, and2
- Fcc Compliance Statement for American Users3
- Copyright Notice4
- Table of Contents7
1 Product Description10
Features11
Specifications13
- Printing Specifications13
- Paper Specifications17
- Printable Area19
  - Adjust Lever Setting (PG Adjust Lever)21
- Ink Cartridge Specifications22
- Environmental Conditions24
- Electrical Specifications25
- Reliability25
- Safety Approvals25
- CE Marking25
Interface Specifications26
- Parallel Interface (Forward Channel)26
- Parallel Interface (Reverse Channel)28
  - Host Data Transfer Timeout Prevention31
  - Interface Selection31
- Serial Interface (Stylus COLOR 740 Only)32
  - USB Interface (Stylus COLOR 740 Only)32
Control Panel33
- Indicators (Leds)33
- Control Panel Functions34
- LED Indicators and Printer States35
Error Conditions36
- Ink out36
- Paper out36
- Paper Jam36
- No Ink Cartridge37
- Maintenance Request37
- Fatal Errors37
Printer Initialization38
Initialization Settings38
Main Components39
- Printer Mechanism39
- C206 MAIN-B Board (Stylus COLOR 440)40
- C256 MAIN Board (Stylus COLOR 640)40
- C257 MAIN Board (Stylus COLOR 740)41
- Power Supply Board41
  - C206 PSB/PSE (Stylus COLOR 440 and 640) C257 PSB/PSE (Stylus COLOR 740)41
- C206 PNL Board (Stylus COLOR 440 and 640)42
- C209 PNL Board (Stylus COLOR 740)42
2 Operating Principles43
Printer Mechanism44
- Printhead45
  - Printing Process45
- Carriage Mechanism47
- Platen Gap and Parallelism Adjustment Mechanisms48
- Carriage Lock Mechanism49
- Paper Feed Motor49
- Paper Handling50
- Ink System52
Electronic Circuit Boards57
- Power Supply Board58
  - Power Supply Operation58
- Main Circuit Board60
3 Troubleshooting77
Troubleshooting77
- Component Test Specifications77
Unit Level Troubleshooting80
- Printer Does Not Turn on80
- Error Indicated by Leds81
- Printing Failure81
- Paper Not Feeding Correctly82
- Control Panel Operation Is Abnormal82
Unit Repair of the Power Supply Board83
Unit Repair of the Main Board86
Repair of the Printer Mechanism91
4 Disassembly and Assembly94
Overview95
- Precautions for Disassembling the Printer95
- Tools96
- Specification for Screws97
- Service Checklist98
Disassembly Procedures99
- Removing the Housing100
- Removing the Board Assembly101
- Removing the Front Panels103
- Disassembling the Printer Mechanism104
5 Adjustments124
Overview125
- Adjustment Tools Required126
  - Choosing the Correct Adjustment Program126
Adjustments127
- Parallelism Adjustment127
- Using the Adjustment Program129
6 Maintenance148
Cleaning149
Corrective Maintenance149
- Printhead Cleaning149
- Maintenance Request149
Lubrication150
7 Appendix155
Connector Summary (Stylus COLOR 440 and 640)156
Connector Summary (Stylus COLOR 740)160
EEPROM Address Map (Stylus COLOR 440 and 640)164
EEPROM Address Map (Stylus COLOR 740)168
Circuit Board Component Layouts173
Exploded Diagrams183

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