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Replacement and Adjustment

Power Switch

Push Switch

Characteristics of the Push Switch (DC Switch)

Shutdown Method

Forced Shutdown

Before You Begin

General Precautions

Drum

Drum Unit

Transfer Belt Unit

Scanner Unit

Laser Unit

Charge Corona

Development

Cleaning

Fusing Unit

Paper Feed

Used Toner

Precautions for This Machine

Inner Covers

Proximity Sensor

PSU Precautions

Important SP Codes: Machine Information, Servicing

Special Tools and Lubricants

Special Tools

Lubricants

Covers

Front Door

Right Covers

Right Upper Cover

Right Lower Cover

Rear Covers

Rear Upper Cover

Rear Lower Cover

Left Covers

Left Upper Cover

Left Lower Cover

Controller Box Cover Plate

Controller Box

IOB Bracket

Operation Panel

Operation Panel Removal

LCD, Touch Panel Replacement

CPU Board

Microcomputer Board

LCD and Touch Panel

Scanner Unit

Before You Begin

Scanner Unit Removal

Exposure Glass

Contact Glass

Contact Glass Removal and Reinstallation

Convert from Non-Contact to Contact Scanning Configuration

Contact Glass Cleaning

Lens Block Cover

Original Width Sensors

Lens Block

Exposure LEDs (Exposure Lamp)

Scanner Motor

Scanner HP Sensor

ADF Open Sensor

Scanner Wire

Scanner Wire Removal

Scanner Wire Reinstallation and Scanner Position Adjustment

Important SP Codes: Scanner Unit

Laser Unit

Warning Decal Locations

Polygon Motor, Polygon Motor Drive Board, LD Unit

Polygon Motor Cover

Polygon Motor

Polygon Motor Drive Board

Laser Diode Unit

Laser Synchronization Detector

Laser Unit Alignment

Toner Shield Glass

Laser Unit Removal

LD Safety Switches

Important SP Codes: Laser Unit

Drum Unit

Corona Unit

Corona Grid

Charge Wire

Cleaning Pad

Corona Wire Cleaning Motor

Corona Power Pack

Drum

Drum Unit Removal

Drum Removal

PTL (Pre-Transfer Lamp)

QL (Quenching Lamp)

Potential Sensor

Cleaning Filter

Drum Cleaning Blade

Cleaning Brush

Pick-off Pawls

ID Sensor

Toner Collection Bottle

Ozone Filters

Optics Dust Filter

Internal Dust Filter

Toner Bottle Fan

Drum Motor

Important SP Codes: Drum Unit

Development Unit

Development Unit Removal and Re-Installation

Removing the Development Unit

Separating the Development Unit and Toner Hopper

Re-installing the Development Unit

Just Replaced Developer?

Replacement with a Used Development Unit

Developer Replacement

Replacing the Developer

Re-installing the Development Unit

Initializing the Developer

Entrance Seal, Side Seals

Development Filter

TD Sensor

Toner End Sensor

Toner Separation Unit

Toner Bottle Motor

Development Motor

Development Unit Power Pack

Used Toner Collection Unit

Used Toner Collection Unit Removal

Toner Collection Motor Sensor

Used Toner Collection Motor

Toner Bottle Set Switch, Toner Bottle Full Switch

Important SP Codes: Development Unit

Transfer Belt Unit

Transfer Belt Unit Removal

Transfer Belt, Transfer Roller Cleaning Blade

Transfer Belt Assembly Removal

Transfer Roller Cleaning Blade

Transfer Belt Replacement

Re-assembly

Transfer Power Pack

Re-installation

Discharge Plate

Important SP Codes: Transfer Belt Unit

Fusing Unit

Fusing Unit Removal

Thermostats, Thermistor, NC Sensor

End Thermistor (D223/D224)

End Thermistor (D225)

Thermostats

Reinstallation

Center Thermistor (NC Sensor) (D223/D224)

Center Thermistor (NC Sensor) (D225)

Web Cleaning Roller

Web Unit Disassembly

Re-assembly

Web Unit Re-assembly

Web Motor, Web End Sensor

Reinstallation

Pressure Roller Cleaning Unit, Cleaning Rollers

Pressure Roller Cleaning Unit

Pressure Roller Cleaning Roller (D223/D224)

Pressure Roller Cleaning Roller (D225)

Re-assembly

Fusing Lamps, Hot Roller, and Pressure Roller

Fusing Lamps (x3) D223, D224

Fusing Lamps (x2) D225

Hot Roller, Pressure Roller

Pressure Roller Only

Checking the Fusing Nip

Stripper Pawls

Nip Band Width Adjustment

Fusing Unit Exit Sensor

Fusing/Exit Motor

Fusing Exit Sensor, Exit Unit Entrance Sensors

Turn Sensor

Fusing Pressure Release Sensor

Fusing Pressure Motor

Temperature Sensor

Important SP Codes: Fusing Unit

Duplex Unit

Duplex Unit Removal

Re-installation

Adjustments

Duplex Unit Side-to-Side Adjustment

Jogger Fence Adjustment

Duplex Motors

Duplex Unit Front Cover

Duplex Inverter Motor

Duplex Jogger Motor

Duplex Transport Motor

Duplex Sensors

Jogger Fence HP Sensor

Duplex Entrance Sensor

Duplex Transport Sensor 3

Inverter Exit Sensor, Transport Sensors 1, 2

Duplex Jogger Belt Adjustment

Important SP Codes: Duplex Unit

Paper Feed Units

Paper Trays

Tandem Tray

Universal Trays

Rear Fence Return Sensor

Rear Fence HP Sensor

Tandem Right Tray Paper Sensor

Bottom Plate Lift Wire

Re-assembly

Tandem Tray Paper Size Change

Tandem Tray Side Registration

Pick-up, Feed, Separation Roller

Paper Tray Lift Motors, Tray 1 Lock Solenoids

Tray Motor, Solenoid Access

Tray 1 Lift Motor

Tray 2 Lift Motor

Tray 3 Lift Motor

Right Tray Lock Solenoid

Left Tray Lock Solenoid

Paper Feed Unit Removal

Paper Feed Motors

Relay Motor

Separation Roller Pressure Adjustment

Lift Sensor, Paper End Sensor

Feed Sensor, Vertical Transport Sensor

Pick-up Solenoid

Reverse Release Solenoid

Relay Sensor

Registration Motor

By-Pass Tray

By-Pass Tray Removal

By-Pass Tray Disassembly

By-Pass Paper Size Detection Board

Re-assembly

By-Pass Paper Length Sensor

By-Pass Tray Rollers

By-Pass Separation Roller Pressure Adjustment

Registration Sensor

By-Pass Unit

By-Pass Unit Removal

Re-installation

By-Pass Motor

Guide Plate Sensor

Paper Path LEDs

LED Locations

Jam LED A: Vertical Inner Cover

Jam LEDs C2, B2, B1

Jam LED C1 Inner Cover

Jam LED E3/Z: Inverter Duplex Inner Cover

Jam LED D1/E1: Fusing Unit Inner Cover

Paper Feed Adjustments

Paper Registration

Buckle Adjustment

Important SP Codes: Paper Feed

PCBs, HDD

Before You Begin

Board Locations

Controller Board Replacement

Before You Begin

Controller Board

Controller Board NVRAM

HDD

HDD Removal

Re-installation

After HDD Replacement

BICU

BICU NVRAM

RYB (Relay Board)

PSU

DHB

AC Drive Board

IOB

Important SP Codes: PCBs, HDD

ADF

ADF Removal

After ADF Replacement

CIS RGB Adjustment

Checking the vertical registration

Checking the horizontal registration

Checking skew

Checking magnification

Platen Adjustment

ADF Covers

ADF Front Cover ADF Front Cover

ADF Rear Cover

Feed Cover

Original Feed Unit

Pick-up Roller, Transport Belt

ADF Separation Roller

Original Registration Sensor

Original Exit Sensor

ADF Control Board

Separation Sensor, Skew Correction Sensor

Original Width Sensor, Interval Sensor

Original Length Sensors

APS Feeler

ADF Lift Interlock Switch, Lift Sensor

Original Set Sensor

A4 LEF, LT LEF Sensor

Bottom Plate HP Sensor

Bottom Plate Position Sensor

ADF Feed Cover Interlock SW, Pick-up Roller HP Sensor

ADF Entrance Motor

ADF Scanning Motor

ADF Exit Motor

ADF Bottom Plate Lift Motor

ADF Pick-up Roller Lift Motor, ADF Transport Motor

ADF Feed Motor

CIS Unit

CIS White Roller Cleaning

Important SP Codes: ADF

Fans, Switches

Fans

Quick Reference

Drum Fan

Development Unit Fan 1, 2

Duplex Fan

PCU Fan

Toner Bottle Fan

Fusing Inner Cover Fan

PSU Fan 1, 2

AC Drive Board Fan

Controller Fan

PFU Fan 1, 3, 4

Main Intake Fan

Main Exhaust Fan

Heat Exhaust Fan

Switches

Power Switch

Front Door Safety Switch

Human Detection (Proximity) Sensor Switch

Important SP Codes: Fans, Switches

Copy Image Adjustments: Printing/Scanning

Image Adjustments: Printing

Preparation

Registration - Leading Edge/Side-to-Side

Blank Margin

Registration Buckle Adjustment

Image Adjustments: Scanning

Registration: Platen Mode

Magnification

ADF Scanning Adjustments

Vertical Black Lines

DIP Switch Settings (ADF Main Board)

ADF Skew Correction

LCD, Touch Screen Check and Calibration

Smart Panel Maintenance Mode

Checks and Calibrations

LCD Check

Touch Panel Check

Touch Panel Calibration

Multi Touch Calibration