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Samsung MultiXpress K7 Series User Manual

Samsung MultiXpress K7 Series
519 pages
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A3MonoCopier
MultiXpressK7series
SL-K7600GX/K7500GX/
K7400GX,SL-K7600LX/K7500LX
/K7400LX
(Ver1.12)
SERVICE
MANUAL
A3MonoCopierContents
1.Precautions
2.ProductSpecicationsandDescription
3.DisassemblyandReassembly
4.Troubleshooting
5.ConnectionDiagram
6.ReferenceInformation
RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

Table of Contents

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Samsung MultiXpress K7 Series Specifications

General IconGeneral
BrandSamsung
ModelMultiXpress K7 Series
CategoryAll in One Printer
LanguageEnglish

Summary

1. Precautions

1.1. Safety Warning

Essential safety instructions for servicing and operating the product.

1.2. Safety Cautions

Covers toxic materials, electrical shock, handling, assembly/disassembly, and injury prevention.

1.3. ESD Precautions

Procedures to reduce damage from static electricity to electronic components.

2. Product Specifications and Description

2.1. Product Overview

General overview of the product's printing speed, processor, memory, document feeder, and LCD.

2.2. Specifications

Details general, print, scan, copy, fax, paper handling, network, supplies, and maintenance specifications.

2.2.6. Paper Handling Specification

Describes input capacity, standard cassette tray media sizes and types, and multipurpose tray details.

2.12. Hardware Configuration

Details the electrical circuit system, board locations, and main controller configuration.

3. Disassembly and Reassembly

3.1. Precautions for Replacing Parts

Safety precautions for assembling, disassembling, and handling PBAs.

3.2. Maintenance Procedures

Procedures for machine cleaning and replacing maintenance parts.

3.3. Replacing Main Service Parts

Step-by-step guide for replacing various main service parts of the machine.

4. Troubleshooting

4.1. Control Panel Operation

Overview of the control panel, including display screen, buttons, and navigation.

4.2. Status Indicator Guide

Explains the meaning of different status LED colors and patterns for machine status.

4.4. JAM Removal Procedures

Procedures for clearing paper jams in various locations, including ADF, trays, and exit areas.

4.5. Service Mode (Tech Mode)

Details on entering, menu tree, information, maintenance counts, diagnostics, and service functions.

4.6. Error Code and Troubleshooting

Lists various error codes, their messages, symptoms, and troubleshooting steps for common issues.

4.7. Image Quality Problems and Solutions

Addresses common image quality issues like lines, blur, poor fusing, and stains with corrective actions.

5. Connection Diagram

5.1. Connection Diagram (FUSER_EXIT_DUPLEX_TONER)

Illustrates the wiring connections for the Fuser, Exit, Duplex, and Toner units.

5.2. Connection Diagram (Scanner)

Shows the wiring connections for the Scanner unit, including DSDF, DCIS, and CCDM.

5.3. Connection Diagram (LSU_OPE_USB)

Details connections for LSU, OPE, and USB interfaces, including FDI and network boards.

5.6. Connection Diagram (HVPS_SMPS_FDB)

Details the wiring for HVPS, SMPS, and FDB boards, including power and signal connections.

6. Reference Information

6.1. Tools for Troubleshooting

Lists recommended tools for performing troubleshooting and maintenance tasks.

6.2. Glossary

Defines common technical terms and abbreviations used in the manual.

6.3. Model Name and Code

Explains the structure and meaning of model names and codes for product identification.

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