Name: Epson Stylus Pro 9000 - Print Engine
Brand: Epson
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EPSON Stylus Pro 9000

Appendix 196

7.9 Circuit Diagrams

The circuit diagrams for the C277MAIN Board are provided on the following

pages.



C277MAIN (1/2)



C277MAIN (2/2)

Default Chapter1
- Epson Stylus Pro1
- Copyright Notice3
- Fcc Compliance Statement for American Users4
- Table of Contents6
1 Printer Basics10
Features11
Control Panel Operations12
- Control Panel Buttons12
  - Operation in Normal Mode12
  - Operation at Power on13
- Selectype Mode13
  - Control Panel Operation in Selectype Mode13
  - Main Menu Options in Selectype Mode13
- Service-Related Modes17
  - Maintenance Mode17
  - Maintenance Mode 217
LED Indicators and Error Messages18
- LED Indicators18
- LCD Display19
Options and Consumables20
2 Technical Overview21
Location of Components22
- Carriage Mechanism22
- Paper Feed Mechanism22
- Ink System23
- Circuit Boards23
Operation24
- Carriage Mechanism24
3 Troubleshooting38
Overview39
Troubleshooting Using LCD Error Messages39
- LCD Error Messages40
- Errors that Require a Service Technician41
- General Errors45
Print Quality Troubleshooting49
- Missing Dots or Lines49
- No Ink Output from One or both Printheads50
- Uneven Printing or Poor Resolution50
- Smudged or Marred Printout (Front)51
- Smudged or Marred Printout (Reverse Side)51
- White or Black Banding51
Connector-Related Errors52
4 Disassembly & Assembly54
Overview55
- Precautions55
- Tools56
- Screw List56
- Order of Disassembly57
- Housing Parts58
Housing Removal58
- Maintenance Cover Removal58
- Top Cover Removal59
- Left and Right Side Cover Removal60
- Front Cover Removal61
- Roll Cover Removal62
- Lower Paper Guide Removal63
- Upper Paper Guide Removal64
Circuit Board Removal65
- Power Supply Board Removal65
- Main Board Removal66
Maintenance Procedures67
- Replacing the Waste Ink Pads67
- Maintenance Assembly Removal & Disassembly69
Printer Mechanism Disassembly71
- Replacing the Printheads71
- Removing the Carriage Motor Assembly75
- Removing the PF Motor Assembly76
- Removing the Platen Gap Adjustment Motor78
- Removing the Platen Gap Home Position Sensor78
- Removing the Cover Open Sensors79
- Removing the Paper Thickness Sensor80
- Removing the Rear Paper Sensor80
- Removing the Front Paper Sensor81
- Removing the Paper Release Sensor81
- Removing the Carriage Home Position Sensor and Encoder82
Ink Holder Disassembly84
- Removing the I/C Holder Assembly84
- Disassembling the I/C Holder91
Removing the Ink Tubes92
- Preparation92
- Removing the Ink Pipe Covers92
- Separating the Ink Pipes and Ink Tubes92
- Removing the CR Circuit Board93
- Disconnecting the Ink Dampers93
- Removing the Cable Connection Plate94
- Ink Tubing Reassembly95
5 Adjustments101
Overview102
- Precautions102
- Adjustment Tools102
- Required Adjustments103
ROM Backup and Updating105
- Requirements for Backup105
- Backup Procedure105
- Download Procedure106
- Possible Errors During Backup or Downloading106
- Firmware Update106
  - Updating from a PC106
  - Updating from a Memory Card107
Self-Diagnostics107
- Using the Self-Diagnostic Mode108
- Self-Diagnostic Menus109
- Test Menu110
- Adjustment Menu115
- Cleaning Menu128
- Print Menu128
- Parameter Menu129
  - Initialize129
  - Update129
Mechanical Adjustments130
- Carriage Cover Height Adjustment130
- Cutter Position Adjustment131
- Carriage Belt Tension Adjustment132
- PF Belt Tension Adjustment132
- Platen Gap Gear Backlash Adjustment133
- I/H Lever Position Adjustment133
- Paper Thickness Sensor Adjustment134
- Cover Open Sensor Assembly (Right and Left)135
- Sensor Trimmer Adjustment136
6 Maintenance137
Overview138
Physical Inspection and Cleaning138
Lubrication139
Checking and Clearing Counters139
- Checking Maintenance Counters140
- Clearing Maintenance Counters140
Service Error Codes and Replaceable Parts143
- The Difference between a 'Maintenance Call' and a 'Service Call143
Ink Cartridge Replacement144
Cutter Blade Replacement144
7 Appendix145
Unpacking and Transporting the Printer146
- The Packaging146
  - Before Opening the Large & Medium Boxes146
- Contents of the Packaging146
  - Medium-Size Box146
  - Large Box147
- Unpacking and Assembly147
  - From Unpacking to Assembling the Stand147
  - Assembling the Printer Body151
- Repacking and Transporting the Printer155
  - Before Shipping155
  - After Shipping155
Specifications156
- Mechanical156
- Safety Approvals157
- CE Marking157
- Electrical158
- Environmental158
- Ink Cartridge158
- Controller159
- Cutter159
- Paper160
- Paper Release Lever162
- Interface162
Initialization169
Jumper and DIP Switch Settings170
Connector Summary171
Parts List173
Exploded Diagrams179
- Carriage Assembly184
- Cover Assembly192
- Stand Assembly193
Main Board Component Layout194
Circuit Diagrams196

Epson Stylus Pro 9000 - Print Engine User Manual

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Epson Stylus Pro 9000 - Print Engine Specifications

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Brand	Epson
Model	Stylus Pro 9000 - Print Engine
Category	Printer
Language	English