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Model R-C2a/b
(Machine Code: B022/B027)

SERVICE MANUAL

August 10th, 2001
Subject to change

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Summarization of Contents

IMPORTANT SAFETY NOTICES
PREVENTION OF PHYSICAL INJURY
Guidelines to prevent harm during operation and maintenance.
HEALTH SAFETY CONDITIONS
Precautions regarding toner contact and first aid for eye exposure.
SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL
Instructions for safe disposal of consumables and parts.
OBSERVANCE OF ELECTRICAL SAFETY STANDARDS
Requirements for safe electrical installation and maintenance.
LASER SAFETY
LASER UNIT REPAIR AND HANDLING
Information on laser unit repair restrictions and handling by qualified engineers.
INSTALLATION PROCEDURE
INSTALLATION REQUIREMENTS
Environmental, spatial, and power requirements for machine setup.
COPIER INSTALLATION
Step-by-step procedure for installing the main copier unit.
PAPER TRAY UNIT INSTALLATION
Procedure for installing the optional paper tray unit.
LCT INSTALLATION
Procedure for installing the optional Large Capacity Tray.
AUTO REVERSE DOCUMENT FEEDER INSTALLATION
Procedure for installing the optional ARDF unit.
INTERCHANGE UNIT INSTALLATION
Procedure for installing the optional interchange unit.
1-BIN TRAY UNIT INSTALLATION
Procedure for installing the optional 1-bin tray unit.
SHIFT TRAY
Procedure for installing the optional shift tray.
BY-PASS FEED UNIT INSTALLATION
Procedure for installing the optional by-pass feed unit.
DUPLEX UNIT INSTALLATION
Procedure for installing the optional duplex unit.
BRIDGE UNIT INSTALLATION
Procedure for installing the optional bridge unit.
1,000-SHEET FINISHER INSTALLATION
Procedure for installing the optional 1,000-sheet finisher.
500-SHEET FINISHER INSTALLATION
Procedure for installing the optional 500-sheet finisher.
PLATEN COVER INSTALLATION
Procedure for installing the optional platen cover.
MEMORY (G578/G579)
Procedure for installing memory modules.
HDD (B420)
Procedure for installing the Hard Disk Drive.
KEY COUNTER INSTALLATION
Procedure for installing the key counter.
ANTI-CONDENSATION HEATER
Procedure for installing the anti-condensation heater.
TRAY HEATER
Procedure for installing the tray heater.
TRAY HEATER (OPTIONAL PAPER TRAY UNIT)
Procedure for installing the tray heater for the optional unit.
TRAY HEATER (OPTIONAL LCT)
Procedure for installing the tray heater for the optional LCT.
SERVICE TABLES
GENERAL CAUTION
General safety precautions before performing service or maintenance.
SERVICE PROGRAM MODE
Overview of accessing and using the service program mode.
SERVICE PROGRAM MODE TABLES
Reference tables for service program (SP) codes and functions.
MEMORY ALL CLEAR (SP5-801)
Procedure for resetting NVRAM settings to factory defaults.
UPLOADING/DOWNLOADING NVRAM DATA
Procedures for backing up and restoring NVRAM data.
SOFTWARE RESET
Procedure for rebooting the machine software when it hangs.
PREVENTIVE MAINTENANCE SCHEDULE
PM TABLE
Schedule outlining maintenance tasks and intervals based on print count.
REPLACEMENT AND ADJUSTMENT
SCANNER UNIT
Procedures for replacing scanner components like exposure glass.
LASER UNIT
Procedures for replacing laser unit components and safety warnings.
PHOTOCONDUCTOR UNIT (PCU)
Procedure for replacing the PCU and handling precautions.
COPY ADJUSTMENTS: PRINTING/SCANNING
Procedures for adjusting print and scan quality parameters.
SCANNING
Procedures for adjusting scanner registration and magnification.
TROUBLESHOOTING
SERVICE CALL CONDITIONS
Overview of SC levels, definitions, and reset procedures.
SC CODE DESCRIPTIONS
Detailed descriptions of SC codes, symptoms, and possible causes.
SELF-DIAGNOSTIC MODE
Explanation of the self-diagnostic test program at power-on.
PAPER FEED TROUBLESHOOTING
Flowchart for diagnosing and fixing paper feed problems.
ELECTRICAL COMPONENT DEFECTS
Lists common sensor and switch defects and their symptoms.

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