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Oki MC351

Oki MC351
276 pages
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Maintenance Manual
12610B
MC361/MC561/CX2731MFP

Table of Contents

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Oki MC351 Specifications

General IconGeneral
FunctionsPrint, Copy, Scan, Fax
Print TechnologyLED
Print Speed (Black)30 ppm
Print Speed (Color)30 ppm
Print Resolution1200 x 1200 dpi
Monthly Duty Cycle30, 000 pages
Scanner TypeFlatbed, ADF
Scan Resolution600 x 600 dpi
Copy Speed (Black)30 cpm
Copy Speed (Color)30 cpm
Copy Resolution600 x 600 dpi
Fax Transmission Speed33.6 kbps
Standard Input Capacity250 sheets
Standard Output Capacity150 sheets
Duplex PrintingYes
ConnectivityUSB, Ethernet
DisplayLCD

Summary

Preface

Warning

General safety warnings and precautions for installation and operation, including risks of electric shock, fire, and injury.

1. Configuration

1.4 Specifications

Comprehensive technical specifications covering physical dimensions, performance, operating environments, and emulation.

2. Description of Operation

2.1 Electrophotographic Process Mechanism

Detailed explanation of the electrophotographic process, including charging, exposure, development, transfer, and fusing.

3. MFP Installation

3.1 Precautions and Prohibition

Essential safety precautions and prohibitions to follow before and during MFP installation.

3.5.2 Power Cable Connection

Procedure for connecting the power cable, including conditions for power supplies and safety warnings.

4. Replacement of Parts

4.1 Notes on Replacement of Parts

Important safety precautions and procedures to follow before, during, and after replacing parts.

4.2 Part Replacement Procedure

Detailed procedures for replacing various components and assemblies of the MFP.

4.2.5 CUPU PCB and Low-Voltage Power Supply

Procedure for replacing the CU/PU PCB and the low-voltage power supply.

5. Maintenance Menus

5.1 Maintenance Menu

Overview of the maintenance menu structure, including password access and system settings.

5.3 Maintenance Utility

Explanation of the Maintenance Utility program and its adjustment options for board replacement and serial number setting.

5.6 Settings after Parts Replacement

Necessary adjustments and settings required after replacing components like LED heads or main boards.

7. Troubleshooting Procedures

7.1 Precautions Prior to Repair

Safety precautions and initial checks to perform before attempting any repair.

7.2 Items to be Checked Prior to Taking Action on Abnormal Images

Checklist of common issues like environment, consumables, and paper before addressing abnormal images.

7.3 Precautions When Taking Action on Abnormal Images

Specific precautions related to handling the OPC drum and fuser unit during image troubleshooting.

7.5 Troubleshooting Method

General approach to troubleshooting printer problems based on LCD displays or abnormal images.

7.5.1 LCD Messages List

A comprehensive list of LCD error messages, their causes, and descriptions for troubleshooting.

7.5.2 Service Call List

A list of service call errors, their causes, and recommended measures for resolution.

7.5.4.(1) LCD Display Trouble

Troubleshooting steps for specific LCD display issues like 'nothing displayed' or 'error message display'.

7.5.4.(3) Paper Feed Jam (Error Code 391: 1 st Tray)

Troubleshooting steps for paper jams occurring in the 1st tray, covering mechanical and electrical checks.

7.5.4.(4) Feed Jam (Error Code 380)

Troubleshooting steps for feed jams with error code 380, including paper path and motor checks.

7.5.4.(11) Fuser Unit Error (Error 170 to 177)

Troubleshooting steps for fuser unit errors, including thermistor checks and power input verification.

7.5.5 Image Problem Troubleshooting

Guide to identifying and resolving various image quality issues like faint colors, dirt, lines, or blank pages.

7.6 Fuse Checking

Table detailing fuse locations, error descriptions, insert points, and resistance values for troubleshooting.

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