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Samsung Xpress C480 Series User Manual

Samsung Xpress C480 Series
146 pages
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ColorLaserMFP
XpressC480series
SL-C480/C480W/C480FN/
C480FW
(Ver1.01)
SERVICE
MANUAL
ColorLaserMFPContents
1.Precautions
2.Productspecicationanddescription
3.DisassemblyandReassembly
4.AlignmentandTroubleshooting
5.SystemDiagram
6.ReferenceInformation
RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

Table of Contents

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Samsung Xpress C480 Series Specifications

General IconGeneral
Print TechnologyLaser
FunctionsPrint, Copy, Scan
Print Speed (Color)Up to 4 ppm
Print ResolutionUp to 2400 x 600 dpi
Duplex PrintingManual
Processor800 MHz
Memory128 MB
Input Capacity150 sheets
Output Capacity50 sheets
Scan Resolution (Optical)Up to 1200 x 1200 dpi
Scan Resolution (Enhanced)Up to 4800 x 4800 dpi
Copy Speed (Color)Up to 4 cpm
Copy ResolutionUp to 600 x 600 dpi
Maximum Copy SizeA4
Wi-FiYes
Monthly Duty CycleUp to 20, 000 pages
Weight12.89 kg
First Print Out Time (Color)26 seconds
Media Sizes SupportedA4, A5, A6, B5, Legal, Letter, Executive, Folio, Oficio
Media Types SupportedPlain, Bond, Recycled, Thick, Labels
Scan toPC
Copy Speed (Black)18 cpm
Zoom Range25% - 400%
InterfaceHi-Speed USB 2.0
Mobile PrintingSamsung Mobile Print, Google Cloud Print
ConnectivityUSB
Supported Operating SystemsWindows, Mac, Linux
Dimensions (W x D x H)406 x 362 mm
Print Speed (Black)Up to 18 ppm

Summary

Precautions

Safety Warning

Details warnings for service technicians and user safety regarding high voltages and lasers.

Caution for Safety

Outlines precautions against toxic materials and electric shock hazards.

Handling Precautions

General handling guidelines for personal safety and product care, including environmental factors.

Assembly and Disassembly Precautions

Key precautions for part replacement, handling PBAs, and releasing plastic latches.

Bodily Injury Warnings

Critical warnings about high temperatures, moving parts, and safe lifting techniques.

ESD Precautions

Guidelines for preventing damage from electrostatic discharge to sensitive components.

Product Specification and Description

Product Specification

Lists key specifications like printing speed, memory, processor, and interface options.

Product Overview

Describes the physical models and their general features.

Specifications

Details technical specifications for various functions like print engine and copy.

Scan Specifications

Specifications for the scanning functions, including speed and resolution.

Fax Specifications

Specifications for the fax capabilities of compatible models.

Controller and Software

Details the printer's internal controller, supporting OS, and interface specifications.

Paper Handling

Specifies paper input capacities and media types supported by the printer.

Reliability and Service

Provides data on monthly usage volume and maximum monthly duty.

Environment

Details operating temperature, humidity, and acoustic noise levels.

Supplies

Lists toner cartridge and imaging unit yields based on ISO standards.

Maintenance Parts

Details part codes and average yields for common maintenance components.

System Overview

Explains the printer's main components and their functions.

Front View

Illustrates and labels the printer's front components.

Rear View

Illustrates and labels the printer's rear components.

Paper Path

Diagrams the path paper takes during the printing process.

System Layout

Details the arrangement of mechanical and hardware parts within the printer.

Feeding Section

Explains the cassette and pick-up roller functions for paper feeding.

Transfer Roller

Describes the transfer roller's function in delivering toner to the paper.

Drive Unit

Explains the drive unit's components, including motor and gears.

Fuser Unit

Details the fuser unit's components and operation for fusing toner.

LSU (Laser Scanner Unit)

Explains the function of the Laser Scanner Unit in creating latent images.

Toner Cartridges and Imaging Unit

Describes toner cartridge and imaging unit functions and life spans.

Hardware Configuration

Lists the electrical components and circuit boards of the printer.

Main Board

Details the main processor, its capabilities, and board connections.

OPE Board

Explains the Operator Panel/Display board's composition and communication.

Fax Board

Details the fax board's components and function in sending/receiving.

Connection Board

Describes the connection board's role linking clutch/sensor boards to the main board.

CTD (Color Tone Density) Board

Explains the CTD board's function in compensating color tone density.

CRUM Joint Board

Details the CRUM board's connections for signals, power, and sensors.

USB Host

Describes the USB Host board providing the USB port for memory sticks.

Wireless LAN Board

Outlines the Wireless LAN module's specifications and network communication.

SMPS (Switching Mode Power Supply) Board

Details the SMPS board's power conversion functions and specifications.

HVPS Board

Describes the HVPS board's function in generating high voltage.

NFC Tag Sticker

Information on the NFC tag sticker for near field communication.

Electrical Parts Location

Shows the location of various sensors and electrical parts within the printer.

Engine F/W Control Algorithm

Explains the firmware control algorithm for engine functions like feeding and transfer.

Fusing

Explains the fusing process and related heat errors like Open, Low, and Over Heat.

LSU

Describes LSU errors such as Lready and Hsync signal abnormalities.

Software Descriptions

Overview of the printer's software architecture including host software and firmware.

Data and Control Flow

Explains how data and control signals flow between the host and firmware.

Disassembly and Reassembly

Precautions When Replacing Parts

Essential safety and handling guidelines before servicing, including part number verification.

Precautions When Assembling and Disassembling

Key precautions for part replacement, noting screw locations and avoiding force.

Precautions When Handling PBA

Specific advice for handling Printed Circuit Board Assemblies (PBAs) to prevent static damage.

Releasing Plastic Latches

Method for safely releasing plastic latches on parts to avoid breakage.

Screws Used in the Printer

Lists screw types, part codes, and locations for disassembly and reassembly.

Replacing the Maintenance Parts

Procedures for replacing common maintenance components like the ITB unit.

ITB Unit Replacement

Step-by-step guide to remove and replace the ITB Unit.

Fuser Unit Replacement

Instructions for replacing the Fuser Unit, including screw and connector removal.

Transfer (T2) Roller Replacement

Steps for replacing the Transfer (T2) roller.

Pick Up Roller Replacement

Procedure to replace the pick-up roller.

Replacing the Main SVC Parts

Guides for replacing major service parts like covers and ADF units.

Cover Replacement

Steps to remove and replace the printer covers.

ADF Unit Replacement

Instructions for replacing the Automatic Document Feeder unit.

OPE Unit Replacement

Procedure for replacing the Operator Panel/Display unit.

Platen Unit Replacement

Steps to remove and replace the platen scanner unit.

CIS Unit and Scan Drive Unit Replacement

Guide for replacing CIS and Scan Drive components.

Middle Cover Removal

Steps to remove the middle cover.

Fax Board Replacement

Instructions for replacing the fax board.

HVPS Board Replacement

Procedure for removing and replacing the HVPS board.

LSU Replacement

Steps to remove and replace the Laser Scanner Unit.

FRAME BASE-PAPER PATH Disassembly

Guide for disassembling the paper path frame.

Regi Clutch and Pick Up Solenoid Removal

Instructions for removing regi clutch and pick up solenoid.

Feed Sensor and Empty Sensor Removal

Steps for removing feed and empty sensors.

Main Board Removal

Procedure for removing the main system board.

SMPS Board Replacement

Steps to remove the SMPS power supply board.

Cam Solenoid Removal

Procedure for removing the cam solenoid.

Main Drive Unit Removal

Instructions for removing the main drive unit.

Alignment and Troubleshooting

Alignment and Adjustments

Covers machine adjustments, maintenance tests, and basic operations.

Control Panel Overview

Explains the functions of the control panel buttons.

Understanding the Status LED

Interprets the meaning of different LED status indicators for machine status.

JAM Removal

Procedures for clearing paper jams from the document feeder and printer.

Clearing Original Document Jams

Steps to remove jammed documents from the Automatic Document Feeder.

Clearing Paper Jams

Procedures for removing jammed paper from the input tray and inside the machine.

Useful Menu Items for Service

Explains useful menu options for service tasks like monitoring supplies and adjusting altitude.

Monitoring Supplies Life

How to check toner and other supply levels via the control panel menu.

Altitude Adjustment

Adjusts settings for optimal print quality based on the machine's altitude.

Printing Machine Reports

Instructions for printing various machine reports for maintenance and diagnosis.

Image Manager

Adjusts color settings such as contrast, color registration, and density.

Periodic Defective Image Analysis

Identifies image defects caused by faulty or damaged rollers.

Useful Management Tools

Tools for managing the printer remotely or locally via web or application.

SyncThru™ Web Service

Steps to set up and use the web-based management tool for printer configuration.

Samsung Easy Printer Manager

Application for managing printer settings, status, and alerts.

Updating Firmware

Instructions for updating the printer firmware via USB or network.

Firmware Update via USB Port

Steps to update firmware using the USB port and provided tool.

Firmware Update via Network

Steps to update firmware using the network connection and SyncThru service.

Tech Mode Operations

Accessing and using the service diagnostic mode for malfunction analysis.

Entering Tech Mode

Procedures to enter the service technician mode on the control panel.

Tech Mode Menu

Overview of the options available in tech mode for testing and diagnostics.

Data Setup Options

Settings for fax transmission, dial parameters, and modem speed.

Machine Tests

Tests for hardware components like keys, modem, DRAM, and CIS.

Report Generation

Options for printing reports like protocol dump, supplies info, and configuration.

EDC Mode Settings

Settings for NVM initialization and configuration values.

NFC Tag Writing Procedure

Guide to writing data to NFC tags using a mobile application.

Troubleshooting Common Issues

General guide for diagnosing and resolving printer issues based on symptoms.

Procedure of Checking Symptoms

A flowchart for initial symptom diagnosis before repair.

Basic Check List

A checklist for basic troubleshooting steps including power, LEDs, and paper path.

Error Code and Troubleshooting Guide

Lists error codes and their corresponding troubleshooting pages.

Image Quality Problems Diagnosis

Diagnoses and resolves common image quality issues like lines, bands, and density.

Vertical Black Line and Band Issues

Describes and solves vertical black lines in prints caused by roller contamination.

Vertical White Line Issues

Addresses vertical white voids in images caused by LSU or roller issues.

Page Contamination Issues

Addresses contamination on the back of printed pages caused by dirty rollers.

Dark or Black Image Issues

Troubleshoots issues causing dark or black printouts, often related to HVPS.

Blank Page Printing Issues

Solves the problem of printing blank pages, related to contacts or LSU.

Uneven Density Issues

Fixes issues with uneven print density, often caused by toner or ITB unit.

Horizontal Bands Issues

Addresses dark or white horizontal stripes on prints, potentially from roller contamination.

Poor Fusing Issues

Troubleshoots issues where toner does not fix properly to paper, often a fuser issue.

System Diagram

Block Diagram

Visual representation of the printer's internal components and their interconnections.

Connection Diagram

Illustrates how various electronic components and boards are interconnected.

Reference Information

Tool for Troubleshooting

Lists recommended tools for safe and easy troubleshooting procedures.

Glossary of Terms

Defines common technical terms used in the manual for better understanding.

Document Revision List

Lists the versions and changes made to the document over time.