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Epson Stylus Pro 3850 User Manual

Epson Stylus Pro 3850
306 pages
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Epson Stylus Pro 3800/3800C/3850
Epson Stylus Pro 3880/3885/3890
Large Format Color Inkjet Printer
SERVICE MANUAL
SEIJ06007

Table of Contents

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Epson Stylus Pro 3850 Specifications

General IconGeneral
BrandEpson
ModelStylus Pro 3850
CategoryPrinter
LanguageEnglish

Summary

Safety Precautions

About This Manual

Manual Configuration

Details the manual's structure, including chapters and appendix.

Symbols Used in this Manual

Explains the meaning of symbols used for warnings and important information.

Product Description

1.1 Product Description

Provides a general overview and specifications of the Epson Stylus Pro printers.

1.2 Basic Specifications

Lists key technical specifications including paper width, printing method, and ink system.

1.3 Printing Specifications

Details printing specifications, including paper feed methods and size support.

1.4 Print Mode

Details print modes, quality settings, print density, and borderless printing capabilities.

1.5 Appearance Specifications

Details the printer's external dimensions, weight, and identifies key parts.

1.6 Operation Panel

Explains the operation panel, buttons, functions, LEDs, and display indicators.

Operating Principles

2.1 Overview

Provides a high-level overview of the printer's operational mechanisms.

2.2 Print Mechanism

Explains the basic specifications of the print head and nozzle configuration.

2.3 Ink Supply Mechanism

Details the ink supply mechanism, including flow paths and pressurizing systems.

2.4 Cleaning Mechanism

Explains the printer's cleaning mechanism, including pump cap unit and waste ink pads.

2.5 Carriage Mechanism

Details the carriage mechanism, including movement, platen gap, and lock systems.

2.6 Paper Feed Mechanism

Explains the paper feed mechanism, including paths and loading processes.

2.7 Ink Mark Sensor

Describes the ink mark sensor's function, location, and its use in various adjustments.

2.8 Other Mechanisms

Covers other mechanisms like ink cover and maintenance cartridge cover detection.

2.9 Outline of Circuit Boards

Summarizes the main circuit boards and their functions, including block diagrams.

2.10 Colorimetric Calibration (Color ID) Overview

Explains Colorimetric Calibration (Color ID) for correcting unit-to-unit color variations.

Troubleshooting

3.1 Overview

Provides an overview and basic procedures for quick and efficient printer troubleshooting.

3.2 List of Panel Messages

Lists panel messages displayed on the printer's LCD, detailing descriptions and reference pages.

3.3 Remedies for Warning Messages

Explains remedies for warning messages displayed on the printer's LCD.

3.4 Remedies for Error Messages

Details remedies for various error messages displayed on the printer's LCD.

3.5 Remedies for Service Call Error

Provides remedies for service call errors, including error codes and their solutions.

3.6 Remedies for Print Quality Troubles

Provides troubleshooting steps for common print quality issues like dot missing and ink smear.

Disassembly and Assembly

4.1 Overview

Introduces the procedures for disassembling and reassembling printer components.

4.1.1 Precautions

Lists essential safety precautions to be followed before starting disassembly or reassembly.

4.1.2 Orientation Definition

Defines the printer's orientation for disassembly procedures.

4.1.3 Tools

Lists the specific tools required for safe and proper disassembly and assembly.

4.1.4 Screws

Details the types of screws used in the printer for disassembly and assembly.

4.1.6 Note on the compatibility of parts

Notes on part compatibility between different Epson Stylus Pro models.

4.2 Disassembly Flowchart

Presents a flowchart illustrating the sequence of disassembly procedures.

4.3 Disassembly/Assembly Procedure (Group 1)

Details disassembly/assembly procedures for Group 1 components for on-site and off-site servicing.

4.4 Disassembly/Assembly Procedure (Group 2)

Details disassembly/assembly procedures for Group 2 components, specifically for off-site servicing.

Adjustment Procedures

5.1 Overview

Introduces the Adjustment Program utility and procedures required after repair or part replacement.

5.1.1 Precautions

Lists essential cautions to observe when performing printer adjustments.

5.1.2 Adjustment Workflow

Outlines the workflow for performing required adjustments based on repaired or replaced parts.

5.1.3 Parts and Units that Require Adjustments

Lists parts and units that require adjustments after repair or replacement.

5.1.4 Required Adjustments by Part or Unit

Details specific adjustments required for each part/unit, including order of execution.

5.1.5 Description of Adjustments

Provides a general outline of the various mechanical and standard adjustments available.

5.1.6 Tools for Adjustments

Lists the specific tools and software required for performing printer adjustments.

5.1.7 Adjustment Program Basic Operations

Explains basic operations and system requirements for the Adjustment Program software.

5.2 Mechanical Adjustment

Details mechanical adjustments, including PF timing belt tension and roller position.

5.3 Standard Adjustment

Details standard adjustments performed using software, such as RTC/USB ID and Head Rank ID.

5.4 Check Results

Describes procedures for checking adjustment results, including nozzle checks and print images.

5.5 Reset Counters

Explains how to reset service life counters after replacing or repairing parts.

Maintenance

6.1 Overview

Provides information on maintaining the printer for optimum operating condition.

6.2 Product Life Information

Details the product life information for various parts, including maintenance and service call thresholds.

6.3 Cleaning

Provides instructions for cleaning specific printer components like the platen and paper feed path.

6.4 Lubrication

Details lubrication points, required lubricants, amounts, and application procedures.

Appendix

7.1 Connectors

Lists and describes the connectors on the main, power supply, panel, and CR relay boards.

7.2 Cables Connection Layout

Illustrates how FFCs and cables are routed inside the printer for proper connectivity.

7.3 ASP List

Lists After Service Parts (ASP) with reference numbers for ordering.

7.4 Exploded Diagrams

Provides exploded diagrams of printer components for service and identification.

7.5 Circuit Diagrams

Provides circuit diagrams for the main, panel, sub, PSB, and PSE boards of the printer.

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