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Ricoh B121 User Manual

Ricoh B121
603 pages
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B121/B122/B123/B259/B260/B261
SERVICE MANUAL
001874MIU

Table of Contents

Questions and Answers:

Ricoh B121 Specifications

General IconGeneral
Print TechnologyLaser
FunctionsPrint, Copy, Scan
Copy Resolution600 x 600 dpi
Scan Resolution600 x 600 dpi
Scan TypeFlatbed
ConnectivityUSB
Operating System CompatibilityWindows

Summary

INSTALLATION

1.1 INSTALLATION REQUIREMENTS

Specifies the environmental, power, and other requirements for installing the machine.

1.2 COPIER INSTALLATION

Details the procedure for installing the copier, including accessory checks and power connections.

1.12 MFP EXPANSION

Covers installation procedures for optional controller boxes, printer scanners, and fax units.

PREVENTIVE MAINTENANCE

2.1 PM TABLES

Tables detailing preventive maintenance tasks for Optics, Drum Area, Paper Feed, Fusing Unit, ADF/ARDF.

2.2 HOW TO RESET THE PM COUNTER

Step-by-step guide on how to reset the Preventive Maintenance counter using SP mode.

REPLACEMENT AND ADJUSTMENT

3.1 GENERAL CAUTIONS

Important safety and handling precautions for replacing or adjusting components like PCU, transfer roller, and scanner.

3.4 SCANNER UNIT

Detailed descriptions of scanner components, including exposure glass, lens block, and sensors.

3.5 LASER UNIT

Information on laser unit components, caution decals, toner shield glass, and alignment adjustments.

3.13 COPY ADJUSTMENTS: PRINTING/SCANNING

Procedures for adjusting printing registration, blank margins, and scanner settings.

TROUBLESHOOTING

4.1 SERVICE CALL CONDITIONS

Explains different levels of service call conditions and their reset procedures.

4.2 ELECTRICAL COMPONENT DEFECTS

Lists common electrical component defects for sensors, switches, and fuses with symptoms and causes.

4.3 BLOWN FUSE CONDITIONS

Identifies blown fuse conditions and their impact on machine operation.

SERVICE TABLES

5.1 SERVICE PROGRAM MODE

Details on using SP mode, starting SSP mode, selecting and specifying values, and activating copy mode.

DETAILED DESCRIPTIONS

6.5 IMAGE PROCESSING

Explains image processing stages including SBU, IPU, VCU, and various image enhancement techniques.

DOCUMENT FEEDER B387

3. REPLACEMENT AND ADJUSTMENT

Procedures for replacing exterior covers, feed units, separation rollers, pick-up rollers, feed belts, and sensors.

FAX OPTION B620

1. INSTALLATION

Cautions, warnings, accessory check, and installation procedures for the fax unit.

2. TROUBLESHOOTING

Lists error codes for LAN communication and fax SC codes with suggested causes and actions.

3. SERVICE TABLES AND PROCEDURES

Details on accessing IFAX bit switches, SP modes for RAM, machine settings, ROM versions, and reports.

PRINTER/SCANNER UNIT B622

2. TROUBLESHOOTING

Information on controller errors and LED indicators for the GW controller.

MFP EXPANSION KIT B658/PRINTER SCANNER B263

1. MFP EXPANSION KIT INSTALLATION

Provides installation procedures for the optional controller box, printer/scanner, and fax.

INTERNET FAX (IFAX)

1. INSTALLATION

Covers IFAX installation, initial settings, and security considerations.

2. TROUBLESHOOTING

Lists error codes for LAN communication and troubleshooting procedures for network issues.

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