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Detailed Descriptions

Guidance for Those Who are Familiar with Predecessor Products

Changes from the Previous Machine

Scanner

Image Processing

Process Control

Laser Exposure

PCDU (Photo Conductor and Development Unit)

Waste Toner

Image Transfer and Paper Transfer

Feed / Transport Part

Fusing

Electrical Parts

Exterior Cover / Air Flows (Fan Control)

Drive Parts

Others

Component Layout

Scanner Unit

Laser Exposure Unit

Image Transfer Unit

PCDU

Toner Supply / Waste Toner Bottle

Paper Feed Unit

Duplex Unit

Bypass Unit

Fusing Unit

Paper Transfer / Paper Exit

Air Flow

Drive Unit

Board / Switch

Scanning

Overview

Reading System

Scanner

Mechanism

Scanner Drive

Operation Flowchart

Scanner Carriage Storage Control

Document Size Detection

Improved Tolerance to Black Lines When Paper Passes through ARDF/SPDF

Difference between Non-contact Transport and Contact Transport in DF Scanning

Anti-Condensation Heater

Image Processing

Mechanism

SBU

IPU

Laser Exposure

Overview

Parts Construction

Mechanism

LD Drive Board

LD Safety Switch

Circuit Diagram

Line Scanning Mechanism

Process Control

Mechanism

Sensor Construction

Outline of the ID Sensors

Outline of the TD sensor

Process Control

Outline

Result Code for Executing Process Control

The Process Control Procedure

Electrified Potential / Development Bias, Vref Correction

LD Power Control

Toner Supply Control

Developer Initial Setting

MUSIC (Automatic Color Registration Correction)

Correction Timing

Executing MUSIC Manually

[Color Registration] in User Tools (SP2-111-004)

MUSIC Error Judgment

Real Time Process Control

IBACC

Outline

Operation Timing

Patch Pattern

SP Descriptions

PCDU (Photo Conductor and Development Unit)

Overview

Mechanism (PCU)

Drum Drive

Charge

Drum Cleaning

Mechanism (Development)

Development System

Agitation System

TD Sensor

Pressure Release Filter

Development Drive

Development Bias

Toner Supply

Overview

Mechanism

Toner Supply (Toner Cartridge - Sub-hopper)

Toner Bottle ID Chip

Toner Supply (Sub-hopper - Development Unit)

Drive

Toner Near End/ Toner End Detection

SP Descriptions

Waste Toner

Overview

Mechanism

Waste Toner Bottle Set Detection

Waste Toner Drive

Waste Toner Recovery Path (PCU/Image Transfer Unit)

Waste Toner Bottle Full Detection

Waste Toner Cover

Image Transfer and Paper Transfer

Overview

Image Transfer Unit

Paper Transfer Unit

Image Transfer Unit mechanism

Drive Mechanism

Transfer Bias

ITB Contact and Release

Image Transfer Belt Drive Control

Image Transfer Flow

Image Transfer Belt Cleaning Mechanism

Paper Transfer Unit Mechanism

Paper Transfer Mechanism

PTR (Paper Transfer Roller) Drive

PTR (Paper Transfer Roller) Contact and Separation

Separation

TM/ID Sensor

Paper Feed/ Transport Section

Overview

Paper Feed/ Transport Part

Tray Base Plate Lift

Paper Feed Mechanism

Paper Feed Transport Mechanism

Paper Size Detection (1st Paper Supply Tray)

Paper Size Detection (2nd Paper Supply Tray)

Remaining Paper Detection

Paper End Detection

Paper Supply Drive

Paper Dust Removal Mechanism

Bypass Feed Section

Bypass Feed Paper/ Separation Mechanism

Bypass Feed Paper Size Detection

Bypass Feed Paper End Detection

Bypass Paper Feeder Drive

Duplex Section

Transport Inversion Mechanism

Duplex Drive

Interleave Mechanism

Paper Exit Unit

Delivery Location Change-over

Paper Exit Full/ Paper Exit Jam Detection

Drive/Sensor Layout

Transport Roller Drive Source

Gate/Pick-up Arm Drive Source

Inter-Roller Transport Path

Sensor Position

Paper Exit Driven Roller and Paper Support Guide

Removing Wrinkling in the Tray

Fusing

Overview

Mechanism

Fusing System

Fusing Drive

Pressure Release Mechanism

Fusing Temperature Control

CPM Down Control

Curl Correction Mechanism

Electrical Parts

Block Diagram

Board Outline

Controller

SBU

LDB

BCU

IPU

MSENS1 (Proximity Sensor (Human Detection Sensor), MSENS2 (Proximity Sensor (Human Detection Sensor) Board)

IOB

FCU

OPU

HVP (Composite High-Voltage Power Supply TTS/CB)

PSU

Anti-condensation Heater for Scanner, PCDU, and Paper Feed Tray

Circuit Configuration

Exterior Cover/ Air Flows (Fan Control)

Overview

Mechanism

Cooling of PSU

Cooling of Toner Supply Parts

Cooling of PCDU parts

Cooling of Fusing Parts

Cooling in Controller Box

Crisis Management When Temperature Rises in the Machine

Helmholtz Silencer

Energy Save

Energy Saver Modes

Setting Items that are Related to Energy Saving

Recovery Time/ Reduced Electrical Consumption

Power States of this Machine

Verification of Up Time for each Energy Saving State

Checking the Up Time by Device State

Recommendation

Proximity Sensor (Human Detection Sensor)

Overview

Sensor Operation

Operation Modes

User Tool

Related SC Codes

Related SP Code