Epson Pro 3800, 3850, 3880, 3885, 3890 plotters Service Manual, Circuit Diagrams and Parts List

For making printer adjustments and maintenance You can use Epson Pro 3880, 3890 Adjustment Program

Chapter 1 PRODUCT DESCRIPTION

1.1 Product Description 

1.2 Basic Specifications 

 1.2.1 Basic Specifications 

 1.2.2 Electric Specifications 

 1.2.3 Environmental Characteristics 

 1.2.4 Reliability/Durability 

1.3 Printing Specifications 

 1.3.1 Paper Feed Specifications 

 1.3.2 Paper Feeder Specifications 

 1.3.3 Paper Support 

 1.3.4 Printable Area 

1.4 Print Mode 

 1.4.1 Print Mode 

 1.4.2 Borderless Printing 

1.5 Appearance Specifications 

 1.5.1 Dimensions/Weight 

 1.5.2 Part Names 

1.6 Operation Panel 

1.6.1 Buttons and Functions 

1.6.2 Buttons 

1.6.3 LED 

1.6.4 Panel Display 

1.6.5 Icons on the LCD 

1.6.6 Menu Settings 

1.6.7 Maintenance Mode 

1.6.8 Error/Warning Statuses Displayed/Indicated on/by LCD/LED 

2.1 Overview 

 2.2 Print Mechanism 

 2.3 Ink Supply Mechanism 

2.3.1 Ink Flow Path 

 2.3.2 Ink Pressurizing Mechanism 

 2.3.3 Ink Change System 

2.4 Cleaning Mechanism 

2.5 Carriage Mechanism 

 2.5.1 Carriage Movement Mechanism 

 2.5.2 Platen Gap Adjustment Mechanism 

2.6 Paper Feed Mechanism 

 2.6.1 Paper Feed Path 

 2.6.2 Paper Loading Mechanism 

 2.6.3 Paper Feed Mechanism 

2.7 Ink Mark Sensor 

 2.8 Other Mechanisms 

 2.9 Outline of Circuit Boards 

2.9.1 Main Board 

 2.9.2 Power Supply Board 

2.10 Colorimetric Calibration (Color ID) Overview 

Chapter 3 TROUBLE SHOOTING

3.1 Overview . 

 3.1.1 Preliminary Check . 

 3.1.2 Troubleshooting Procedure . 

3.2 List of Panel Messages . 

 3.3 Remedies for Warning Messages . 

 3.4 Remedies for Error Messages . 

 3.5 Remedies for Service Call Error . 

 3.6 Remedies for Print Quality Troubles . 

Chapter 4 DISASSEMBLY & ASSEMBLY

4.1 Overview . 

 4.1.1 Precautions . 

 4.1.2 Orientation Definition 

 4.1.3 Tools . 

 4.1.4 Screws . 

 4.1.5 Chapter Organization 

 4.1.6 Note on the compatibility of parts 

4.2 Disassembly Flowchart 

4.3 Disassembly/Assembly Procedure (Group 1) . 

4.3.1 Unlocking the CARRIAGE, ASSY. manually . 

4.3.2 Consumable . 

4.3.3 Removing the Housing and OPERATION, PANEL, ASSY. 

4.3.4 Removing the Circuit Boards . 

4.3.5 Removing the MOTOR ASSEMBLIES. 

4.3.6 Removing the SENSORS and SWITCHES 

4.3.7 Removing the Carriage Mechanism 

4.3.8 Removing the PAPER FEED MECHANISM 

4.3.9 Removing the Ink System Mechanism . 

4.3.10 Removing the PAPER FEED MECHANISM 

4.3.11 Removing the Carriage Mechanism 

4.3.12 PRINTER MECHANISM . 

4.4 Disassembly/Assembly Procedure (Group 2) . 

4.4.1 Removing the PAPER FEED MECHANISM 

Chapter 5 ADJUSTMENT

5.1 Overview . 

 5.1.1 Precautions . 

 5.1.2 Adjustment Workflow . 

 5.1.3 Parts and Units that Require Adjustments . 

 5.1.4 Required Adjustments by Part or Unit . 

 5.1.5 Description of Adjustments . 

 5.1.6 Tools for Adjustments . 

 5.1.7 Adjustment Program Basic Operations . 

5.2 Mechanical Adjustment . 

 5.2.1 PF Timing Belt Tension Adjustment . 

 5.2.2 LD Roller Position Adjustment . 

 5.2.3 PG Position Adjustment . 

5.3 Standard Adjustment . 

 5.3.1 RTC&USB ID . 

 5.3.2 Head Rank ID . 

 5.3.3 Print Head Slant Adjustment (PF) . 

 5.3.4 Print Head Slant Adjustment (CR) . 

 5.3.5 Initial Ink Charge Flag ON/OFF . 

 5.3.6 Parameter Backup . 

 5.3.7 Check PG . 

 5.3.8 Initial Ink Charge . 

 5.3.9 Cleaning . 

 5.3.10 Input Serial number . 

 5.3.11 Colorimetric Calibration Tool . 

 5.3.12 Install F/W . 

 5.3.13 Ink Mark Sensor Adjustment for Auto Nozzle Check 

 5.3.14 Washing Head And Discharge Ink . 

 5.3.15 Auto Bi-D Adjustment . 

 5.3.16 Auto Uni-D Adjustment . 

 5.3.17 Check the Release Of Grid Roller . 

 5.3.18 Check Network Communication . 

 5.3.19 T&B&S Adjustment . 

 5.3.20 PF Adjustment . 

 5.3.21 EJ Adjustment . 

 5.3.22 Check Ink Selector Operation . 

 5.3.23 Write Constant When CR change . 

5.4 Check Results . 

 5.4.1 Check Nozzle . 

 Revision B

8

5.4.2 Print Image 

 5.4.3 Check Results 

 5.4.4 Check Alignment 

5.5 Reset Counters 

Chapter 6 MAINTENANCE

6.1 Overview 

 6.1.1 Product Life Information 

6.2 Cleaning 

 6.3 Lubrication 

Chapter 7 APPENDIX

7.1 Connectors 

 7.2 Cables Connection Layout 

 7.3 ASP List 

 7.4 Exploded Diagrams 

 7.5 Circuit Diagrams