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Safety Notices

Important Safety Notices

Laser Safety

Symbols and Abbreviations

Specifications

Machine Configuration

Overview

Component Layout

Paper Path

Drive Layout

Installation Requirements

Environment

Machine Level

Minimum Space Requirements

Power Requirements

Copier Installation

Power Sockets for Peripherals

Accessory Check

Installation Procedure

Platen Cover Installation

Accessory Check

Installation Procedure

ARDF Installation

Accessory Check

Installation Procedure

ADF Installation

Accessory Check

Installation Procedure

Two-tray Paper Tray Unit Installation

Accessory Check

Installation Procedure

One-tray Paper Tray Unit Installation

Accessory Check

Installation Procedure

One-Bin Tray Installation

Accessory Check

Installation Procedure

Anti-condensation Heater Installation

Tray Heaters

Upper Tray Heater

Lower Tray Heater (Two-tray Model Only)

Tray Heaters For The Optional Paper Feed Units

Key Counter Installation

Optional Counter Interface Unit Type A (B870-11)

Accessory Check

Installation Procedure

DDST Unit Type F (B865)

Accessory Check

Installing Expansion Component

Network Interface Board (D564)

Component Check

Installing Expansion Component

PM Tables

How to Reset the PM Counter

General Cautions

PCU (Photoconductor Unit)

Transfer Roller

Scanner Unit

Laser Unit

Fusing Unit

Paper Feed

Static Electricity

Special Tools and Lubricants

Exterior Covers & Operation Panel

Rear Cover

Rear Lower Cover (Two-tray Models Only)

Copy Tray

Upper Covers

Left Cover

Front Cover

Front Right Cover

Right Rear Cover

Right Door (Duplex Unit (B244/B269/B277))

By-pass Tray

Left Lower Cover (Two-tray Models Only)

Right Lower Cover (Two-tray Models Only)

Platen Cover Sensor

Scanner Unit

Exposure Glass/DF Exposure Glass

Lens Block

Lamp Stabilizer Board And Exposure Lamp

Original Width/Length Sensor

Scanner Motor

Scanner Home Position Sensor

Adjusting Scanner Positions

Laser Unit

Location of Caution Decal

Toner Shield Glass

Laser Unit

LD Unit

Polygonal Mirror Motor

Laser Unit Alignment Adjustment

PCU Section

PCU

Pick-off Pawls and Toner Density Sensor

OPC Drum

Charge Roller and Cleaning Brush

Cleaning Blade

Developer

After Replacement or Adjustment

Toner Supply Motor

Paper Feed Section

Paper Feed Roller

Friction Pad

Paper End Sensor

Exit Sensor

By-Pass Feed Roller and Paper End Sensor

Registration Roller

By-Pass Paper Size Switch

Registration Clutch

Registration Sensor

Upper Paper Feed Clutch and By-Pass Feed Clutch

Relay Clutch

Relay Sensor

Lower Paper Feed Clutch (Two-tray Models Only)

Vertical Transport Sensor (Two-tray Models Only)

Paper Size Switch

Image Transfer

Image Transfer Roller

Image Density Sensor

Fusing

Fusing Unit

Thermistor

Fusing Lamps

Hot Roller Stripper Pawls

Hot Roller

Thermostat

Pressure Roller and Bushings

NIP Band Width Adjustment

Cleaning Roller

Duplex Unit (Duplex Models B244/B269/B277 Only)

Duplex Exit Sensor

Duplex Entrance Sensor

Duplex Inverter Sensor

Duplex Transport Motor

Duplex Inverter Motor

Duplex Control Board

Other Replacements

Quenching Lamp

High-Voltage Power Supply Board

BICU (Base-Engine Image Control Unit)

Main Motor

Rear Exhaust Fan (B244/B269/B277 Only)

Left Exhaust Fan

PSU (Power Supply Unit)

Gearbox

Copy Adjustments Printing/Scanning

Printing

Scanning

ADF Image Adjustment

Service Program Mode

How to Enter the SP Mode

SP Mode Tables

Using SP Modes

Adjusting Registration and Magnification

ID Sensor Error Analysis (SP 2221)

Display APS Data (SP 4301 1)

Memory Clear

Input Check (SP 5803)

Output Check (SP 5804)

Serial Number Input (SP 5811)

NVRAM Data Upload/Download (SP 5824/5825)

Test Pattern Print (SP 5902 1)

Paper Jam Counters (SP 7504)

SMC Print (SP 5990)

Original Jam History Display (SP 7508)

ADF APS Sensor Output Display (SP 6901)

Firmware Update Procedure

Engine (BICU) Firmware Update Procedure

GDI (Printer Scanner) Update Procedure

Service Call Conditions

Summary

SC Code Descriptions

Electrical Component Defects

Sensors

Switches

Blown Fuse Conditions

LED Display

BICU

Energy Save

Energy Saver Modes

Paper Save

Effectiveness of Duplex/Combine Function