EasyManua.ls Logo

Ricoh C274 User Manual

Ricoh C274
153 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
C274
SERVICE MANUAL
00xxxxMIU
Need Machine Image for Cover
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Ricoh C274 and is the answer not in the manual?

Ricoh C274 Specifications

General IconGeneral
Print Resolution1200 x 1200 dpi
Print TechnologyLaser
Duplex PrintingYes
Weight33 kg
ConnectivityUSB 2.0, Ethernet
Operating System CompatibilityWindows, macOS
TypeMultifunction Printer
Scan Resolution600 dpi
Fax Resolution300 x 300 dpi

Summary

Product Information

Specifications

General specifications for the C274 machine, including configuration, process, and paper handling.

Mechanism Overview

Detailed layout of mechanical components and their functions within the machine, covering parts, boards, motors, and sensors.

Guidance for Predecessor Users

Information for users familiar with older models, highlighting differences and guidance for the C274.

Installation

Installation Requirements

Environmental conditions, power connection, and machine access guidelines for proper setup and performance.

Installation Procedure

Step-by-step instructions for unpacking, setting up the main unit, and connecting accessories.

Optional Installations

Procedures for installing optional components like additional drums and printer units.

Preventive Maintenance

Maintenance Tables

Scheduled maintenance tasks based on time intervals and print counts for periodic upkeep.

Replacement and Adjustment

General Caution

Important safety precautions and warnings to observe before performing maintenance or adjustments.

Special Tools

List and description of specific tools required for performing service and adjustment procedures.

Image Adjustment

Procedures for adjusting print quality and image position using DIP switches and test patterns.

Covers and Boards

Procedures for removing and replacing external covers and internal circuit boards like MPU and PSU.

Scanner

Details on scanner components, covers, rollers, CIS, and sensors, including replacement steps.

Master Feed

Procedures for the master making unit, thermal head, and related adjustments for quality master production.

Paper Feed

Adjustments related to paper feed rollers, pressure settings, and paper separation for reliable feeding.

Printing

Procedures for adjusting press rollers, registration rollers, and printing pressure for optimal print output.

Drum

Maintenance and replacement procedures for the drum unit, cloth screen, clamper, and ink pump.

Paper Delivery

Procedures for servicing the paper delivery unit, belts, and exit sensors.

Main Drive

Adjustments for the main drive timing belt tension and the main motor pulley position.

Firmware Update

Instructions for checking the current firmware version and upgrading the machine's EPROM.

System Maintenance Reference

Service Program Mode

Overview and usage of service program (SP) modes for checking data, changing modes, and adjusting values.

Troubleshooting

Service Call Conditions

Table of symptoms and possible causes for service calls (SC tables) to diagnose machine errors.

Electrical Component Defects

Identification of electrical component failures and their associated symptoms for diagnosis.

Fuse, LED, VR, DIP-SW, and TP Tables

Reference tables for fuses, LEDs, VRs, DIP switches, and test points used in the machine.

Appendix: Specifications

General Specifications

Key technical specifications of the C274 machine, including configuration, speed, and power.

Appendix: Maintenance Tables

Maintenance Table

Periodic maintenance schedule and tasks based on time and print count for machine upkeep.

Appendix: Service Call Condition

SC Tables

Detailed list of service call conditions, symptoms, and their most likely causes for diagnosis.

Appendix: Electrical Component Defects

Electrical Component Defects

Symptoms and indicators related to failures in specific electrical components of the machine.

Fuse, LED, VR, DIP-SW, and TP Tables

Reference tables for fuses, LEDs, VRs, DIP switches, and test points for troubleshooting.

Appendix: SP Mode Tables

Input Mode

SP table entries for checking input signals from sensors and switches, and DIP switch status.

Output Mode

SP table entries for controlling machine outputs like motors, solenoids, and lamps for testing.

Test Mode

SP table entries for running built-in test functions, such as indicator checks and pattern prints.

Adjustment Mode

SP table entries for machine adjustments, including image calibration and sensor settings.

Related product manuals