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Ricoh Nashuatec CP430 User Manual

Ricoh Nashuatec CP430
152 pages
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SERVICE MANUAL
(Machine code: C238)

Table of Contents

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Ricoh Nashuatec CP430 Specifications

General IconGeneral
Print TechnologyLaser
Paper Output Capacity250 sheets
Copy Resolution600 x 600 dpi
Maximum Paper SizeA4
Paper SizeA4, A5, B5
InterfaceUSB 2.0, Ethernet
FunctionsPrint, Copy, Scan
Scan Resolution600 dpi
Network ConnectivityEthernet
Operating System CompatibilityWindows
Paper Weight60 - 163 g/m²

Summary

Important Safety Notices

Prevention of Physical Injury

Precautions to ensure safety during printer disassembly or assembly.

Health Safety Conditions

First aid measures for accidental ink exposure to eyes or ingestion.

Observance of Electrical Safety Standards

Requirement for installation and maintenance by trained customer service representatives.

Safety and Ecological Notes for Disposal

Disposal of Replaced Parts

Dispose of replaced parts in accordance with local regulations.

Disposal of Used Ink and Masters

Dispose of used ink and masters in an environmentally safe manner.

Replacement and Adjustment Procedures

General Caution for Replacement and Adjustment

Turn off power before attempting any procedures in this section.

Covers and Boards Replacement

Procedures for replacing covers and various boards.

Troubleshooting Common Issues

Error Codes and Symptoms

Lists common error codes, their symptoms, and possible causes.

Electrical Component Defects

Details defects in sensors, switches, and lines.

Service Tables and Modes

Using Service Program Modes

Guide on accessing and using service program (SP) modes.

Machine Installation

Installation Requirements

Environmental conditions and power connection requirements for installation.

Machine Access and Clearance

Main Body Installation Procedure

Accessory Check for Main Body Installation

Verifies the presence of accessories for main body installation.

Preventive Maintenance Schedule

Maintenance Table Overview

Details periodic maintenance items, intervals, and actions.

Scanner Component Replacement

Image Adjustment Procedures

Master Eject Unit Replacement

Master Feed Component Replacement

Thermal Head Replacement

Procedure for replacing the thermal head.

Thermal Head Voltage Adjustment

Master End Sensor Adjustment

Paper Feed Component Adjustments

Paper Separation Pressure Adjustment

Procedure to adjust paper separation pressure.

Printing Component Replacement

Press Roller Release Lever Adjustment

Printing Pressure Adjustment

Drum Component Procedures

Ink Pump Adjustment

Doctor Roller Gap Adjustment

Ink Detection Adjustment

Main Drive Timing Belt Adjustment

Paper Delivery Component Procedures

Exit Pawl Adjustment

Air Pump Adjustment

Troubleshooting Section

Error Codes Overview

Lists common error codes and their possible causes.

Electrical Component Defects - Sensors

Details sensor conditions and their associated symptoms.

Electrical Component Defects - Switches

Switch Conditions and Symptoms

Lists switch conditions and their associated symptoms.

Electrical Component Defects - Lines

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

Blown Fuse Conditions

Lists fuse conditions and their symptoms.

LED Functions

Details the functions of various LEDs.

VR and Test Point Information

VR Functions

Details the functions of various VRs (variable resistors).

DIP Switch Settings

Lists the settings for DIP switches.

Test Points Functions

Details the functions of various test points.

Using Service Program Modes

Selecting a Program Number in SP Mode

Adjustment Procedures

Detailed Image Adjustment Procedures

Scanning Speed and Position Adjustments

SBU Calibration and Registration Buckle

SBU Calibration Procedure

Procedure to calibrate the SBU after component replacement.

Firmware Management Procedures

Download Main Firmware

Procedure for downloading main firmware using a flash memory card.

Upload Main Firmware

Procedure for writing firmware from the machine to a flash card.

Detailed Section Descriptions

Master Eject Unit Overview

Master Clamper Opening Mechanism

Master Eject Roller Mechanism

Pressure Plate Mechanism

Scanner Unit Overview

Scanner Drive Mechanism

Image Processing Overview

Image Processing Functions

Binary and Fine Mode Processing

Thermal Head Specifications and Control

Thermal Head Handling Precautions

Master Feed Overview and Procedure

Master Feed Mechanism Description

Clamper and Tension Roller Mechanism

Cutter Mechanism and Master Set Cover Sensor

Drum Overview and Ink Supply

Drum Drive Mechanism Details

Ink Supply Mechanism Description

Ink Roller Mechanism Description

Ink Supply Control Mechanism

Paper Feed System Overview

Paper Feed Mechanism Description

Paper Feed and Separation Pressure Mechanism

Registration Roller Mechanism

Printing Pressure Mechanism

Paper Table Mechanism

Paper Table Side Fences and Friction Pads

Paper Delivery System Overview

Paper Delivery Unit Drive Mechanism

Paper Separation from Drum

Exit Pawl Drive Mechanism

Jam Detection Procedures

Master Eject Jam Detection

Details jam detection for the master eject unit.

DF Jam Detection

Master Feed Jam Detection

Drum Jam Detection

Paper Feed and Delivery Jam Detection

Paper Feed Jam Detection

Details jam detection for paper feed.

Paper Delivery Jam Detection

Details jam detection for paper delivery.

Point to Point Diagram Introduction

Point to Point Diagrams by Section

General Machine Specifications

General Specifications Details

Lists general specifications like configuration, master process, and paper size.

Machine Power Consumption and Noise Emission

Machine Process and Storage Specifications

Optional Equipment and Storage Recommendations

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