Sharp MX-C300F

SERVICE MANUAL
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
NOTE FOR SERVICING
[1] PRODUCT OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[2] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
[3] CONSUMABLE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
[4] EXTERNAL VIEW AND INTERNAL STRUCTURE . . . . . . . . . . . . . . . . . . . . . . . . 4-1
[5] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
[6] SIMULATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
[7] TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
[8] FIRMWARE UPDATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
[9] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
[10] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
[11] OPERATIONAL DESCRIPTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
[12] ELECTRICAL SECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
[13] OTHERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
TopPage
CONTENTS
CODE: 00ZMXC250/S4E
MX- C250/C250E
MX- C250F/C250FE
MX- C300F/C300W
MX- C300WE
MODEL
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM

Sharp MX-C300F Specifications

General

Brand	Sharp
Model	MX-C300F
Category	All in One Printer
Language	English

Summary

Note for Servicing

Precautions for Servicing

Essential safety guidelines and warnings for servicing the machine.

Warning for Servicing

Critical warnings related to power, grounding, and electrical safety during servicing.

Note for Handling PWB and Electronic Parts

Guidelines for safely handling printed circuit boards and electronic components to prevent static damage.

[2] Specifications

1. Basic Technical Specifications

Detailed technical specifications including engine, speed, resolution, and environmental conditions.

[4] External View and Internal Structure

A. External View of the Machine

C. Operation Panel (EuropeAsia)

Detailed explanation of the operation panel keys and their functions for the European/Asian model.

D. Operation Panel (USA)

Detailed explanation of the operation panel keys and their functions for the USA model.

N. Printed Wiring Boards (PWBs)

[5] Adjustments

1. General Adjustment Procedures

2. List of Adjustment Items

A comprehensive list of all adjustable items, including job numbers and simulation codes.

[6] Simulation

1. Simulation Mode Overview

2. Simulation Codes List

A detailed list of simulation codes, their functions, and corresponding sections of the machine.

3. Simulation Details and Procedures

Step-by-step procedures for executing various simulation functions for testing and adjustment.

[7] Troubleshooting

1. Error Codes and Troubleshooting Guide

Guide for identifying and resolving machine errors using error codes and self-diagnosis messages.

2. Paper Jam Troubleshooting

Information on common paper jam codes and troubleshooting steps for the RSPF and SPF units.

[8] Firmware Update

1. Firmware Update Outline

2. Firmware Update Procedure via USB

Step-by-step instructions for performing firmware updates using USB memory.

[9] Maintenance

1. Essential Maintenance Tasks

Details on essential maintenance tasks including counter resets and initial settings.

3. Maintenance Schedule by Usage Cycle

A comprehensive list of maintenance tasks (cleaning, replacement, adjustment) based on usage cycles (K).

[10] Disassembly and Assembly

1. Disassembly of Major Units

Procedures for disassembling major external units of the machine, such as cabinets and panels.

2. Unit-Specific Disassembly and Assembly

Detailed steps for disassembling and assembling individual internal units like the operation panel and scanner.

[11] Operational Descriptions

1. Operation Panel Description

Description of the operation panel's electrical and mechanical structure and its basic functions.

[12] Electrical Section

1. Block Diagrams

2. Power Line Diagrams

3. Actual Wiring Charts

4. Signal List by PWB and Connector