MP 2555/3055/3555/4055/5055/6055
Detailed Descriptions
Image Processing
Structural block diagram
For MP 2555 SP/3055 SP/3555 SP models
For MP 4055 SP/5055 SP/6055 SP models
Expand All
Read This First
Symbols, Abbreviations and Trademarks
Symbols, Abbreviations
Trademarks
Product Information
Product Overview
Component Layout
Paper Path
Drive Layout
Machine Codes and Peripherals Configuration
System Configuration and Options
External Options for MP2555/MP3055/MP3555 (mainly Europe)
External Options for MP2555/MP3055/MP3555 (mainly Asia)
External Options for MP2555/MP3055/MP3555 (mainly North America)
External Options for MP4055/MP5055 (mainly Europe)
External Options for MP4055/MP5055 (mainly Asia)
External Options for MP4055/MP5055 (mainly North America)
External Options for MP6055 (mainly Europe and Asia)
External Options for MP6055 (mainly North America)
Specifications
Installation
Installation Requirements
Environment
Minimum Space Requirements
Machine Dimensions
Power Requirements
Main Machine Installation
Important Notice on Security Issues
Overview
Password Setting Procedure
Installation Flow Chart
MP 2555SP, MP 3055SP, MP 3555SP
MP 4055SP, MP 5055SP, MP 6055SP
Accessory Check
Installation Procedure
Removal of Packing Materials and Shipping Retainers
For Machines with Preinstalled SPDF: Removal of Protective Sheet
Attaching the Paper Exit Tray Parts
Pulling out the Feeler for the Paper Exit Full Sensor
Checking the Position of the Paper Exit Feeler
Attaching the Decals
For Machines with Preinstalled ARDF: Fax Stamp Installation (Option)
Toner Bottle Installation and Toner Initialization
Check Image Quality / Settings
Loading Paper
Checking the Copy Image with the Test Chart
Paper Settings
Security Function Settings
Settings Relevant to the Service Contract
Auto Remote Firmware Update (ARFU) Settings
Specifying the Time and Day of the Week to Prohibit Updating via Web Image Monitor
Moving the Machine
Transporting the Machine
Paper Feed Unit PB3210/ PB3220
Accessory Check
Installation Procedure
Paper Feed Unit PB3150
Accessory Check
Installation Procedure
LCIT PB3170/ PB3230
Accessory Check
Installation Procedure
Changing the Paper Size
LCIT RT3030 (D696)
Accessory Check
Installation Procedure
Changing the Paper Size
Caster Table Type M3 (D178)
Accessory Check
Installation Procedure
For Installing Directly under the Main Machine
For Installing under PB3150
Platen Cover PN2000 (D700)
Accessory Check
Installation Procedure
ARDF DF3090
Accessory Check
Installation Procedure
When feeding thin paper
SPDF DF3100
Accessory Check
Installation Procedure
Attaching the SPDF
Adjust SP Settings
Anti-Condensation Heaters for Scanner, PCU and Trays
Overview
Heater Board
Accessory Check
Installation Procedure
Anti-Condensation Heater (Scanner)
Accessory Check
Installation Procedure
Anti-Condensation Heater (PCU)
Accessory Check
Installation Procedure
Tray Heater for Main Unit
Accessory Check
Installation Procedure
Tray Heater for Paper Feed Unit PB3210 / PB3220
Accessory Check
Installation Procedure
Tray Heater for Paper Feed Unit PB3150
Accessory Check
Installation Procedure
Tray Heater for LCIT PB3170/ PB3230
Accessory Check
Installation Procedure
1 Bin Tray BN3110 (D3CQ)
Accessory Check
Installation Procedure
Checking the Position of the Paper Exit Feeler
Internal Shift Tray SH3070 (D691)
Accessory Check
Installation Procedure
Checking the Position of the Paper Exit Feeler
Side Tray Type M3 (D725)
Accessory Check
Installation Procedure
Bridge Unit BU3070 (D685)
Accessory Check
Installation Procedure
Internal Multi-fold Unit FD3000 (M482-17, -21)
Accessory Check
Installation Procedure
When Attaching the Finisher Beyond the Internal Multi-Fold Unit
Booklet Finisher SR3240 / Finisher SR3230
Accessory Check
Installation Procedure
Adjustment after Installing the Finisher
How to Check and Adjust the Side-to-Side Registration
Attaching a Support Tray
Punch Unit PU3060 (D706)
Accessory Check
Installation Procedure
Booklet Finisher SR3220 (D3B9)
Accessory Check
Installation Procedure
Adjustment after Installing the Finisher
How to Check and Adjust the Side-to-Side Registration
Attaching the Proof Support Tray
Finisher SR3210 (D3B8)
Accessory Check
Installation Procedure
Adjustment after Installing the Finisher
How to Check and Adjust the Side-to-Side Registration
Attaching the Proof Support Tray
Stapleless Stapler Initial Settings
How to change the setting of Staple Method for the Stapleless Stapler
How to set Margin Erase for the Stapleless Stapler
Punch Unit PU3050
Accessory Check
Installation Procedure
Internal Finisher SR3180 (D766)
Accessory Check
Installation Procedure
Stapleless Stapler Initial Settings
How to change the setting of Staple Method for the Stapleless Stapler
How to set Margin Erase for the Stapleless Stapler
Internal Finisher SR3130 (D690)
Accessory Check
Installation Procedure
Punch Unit PU3040 (D716)
Accessory Check
Installation Procedure
Key Counter Bracket Type M3
Accessory Check
Installation Procedure
Optional Counter Interface Unit Type M12 (B870-21)
Accessory Check
Installation Procedure
NFC Card Reader Type M29 (D3E3-21)
Accessory Check
Installation Procedure
Smart Card Reader Built-in Unit Type M29
Accessory Check
Installation Procedure
External Keyboard Bracket Type M19 (D3BR-10)
Component Check
Installation Procedure
Internal Options
List of Slots
IEEE 1284 Interface Board Type M19 (D3C0)
Accessories
Installation procedure
IEEE 802.11a/g/n Interface Unit Type M19
Accessory Check
Installation procedure
Attaching the boards
Attaching the antenna
User Tool Settings for IEEE 802.11a/g/n
SP Mode Settings for IEEE 802.11 Wireless LAN
File Format Converter Type M19 (D3BR-04)
Accessory Check
Installation procedure
Enhanced Security HDD Option Type M10 (D792-09)
Accessory Check
Installation Procedure
After Installing the HDD
USB Device Server Option Type M19 (D3BC-28,-29)
Accessory Check
Interface Board Surface
Installation Procedure
What Do the LED Indications Mean?
Notes for Energy Save Mode Setting
IP Address Setting
Extended USB Board Type M19 (D3BS-01)
Component Check
Installation Procedure
SD Card Options
SD Card Slots
List of Slots Used
SD Card Appli Move
Overview
Move Exec
Undo Exec
OCR Unit Type M13 (D3AC-23, -24, -25)
Accessory Check
Searchable PDF function outline
Installation Procedure
Recovery Procedure
PostScript3 Unit Type M29
Component Check
Overview of PostScript3 Unit Type M29 (Adobe PS)
Installation procedure (Adobe PS)
Initial Settings for the Printer Driver
Switching back to Clone PS from Adobe PS
XPS Direct Print Option Type M29
Component Check
Installation Procedure
Data Overwrite Security Unit Type M19 (D3BS-03)
Overview
Component List
Before You Begin the Procedure
Seal Check and Removal
Installation Procedure
Configuring "Auto Erase Memory" (Performed by the Customer)
Security Setting
Security Function Installation
Data Overwrite Security
Before You Begin the Procedure
Installation Procedure
Using Auto Erase Memory
HDD Encryption
Before You Begin the Procedure:
Installation Procedure:
Enable Encryption Setting
Check the Encryption Settings
Backing Up the Encryption Key
Encryption Key Restoration
@Remote Settings
Operation Guidance for Users
Preventive Maintenance
PM Parts Settings
Replacement procedure of the PM parts
Replacing the Fusing Unit
Method 1: By SP3701
Method 2: By [PM Counter / New Unit Set] Menu
After installing the new PM parts
SP descriptions
Operation Check
PM Parts List
Image Quality Standards
Resolution
Magnification ratio error margin
Magnification ratio error margin deviation
Pitch error margin
Perpendicularity
Linearity
Parallelism
Missing Image Area
Margin position
Paper Transfer Quality Standards
Registration
Skew
Exposure glass
ADF
Replacement and Adjustment
Notes on the Main Power Switch
Push Switch
Characteristics of the Push Switch (DC Switch)
Shutdown Method
Forced Shutdown
Beforehand
Special Tools and Lubricants
Special Tools
Lubricants
Cover Removal Order
Cover Layouts
Exterior Covers
Front Cover
Controller Cover
Left Upper Cover
Left Rear Cover
Left Cover
Rear Cover
Rear Lower Gap Cover
Rear Lower Cover
Right Rear Cover
Right Upper Cover
Right Cover
Upper Front Cover
Inverter Tray
Paper Exit Tray
Paper Exit Cover
Paper Exit Lower Cover
Upper Inner Cover
Paper Exit Front Cover
Inner Cover
Toner Supply Housing
Smart Operation Panel
Operation Panel Unit
USB Cable / Harness
ADF
ADF Removal
Scanner Unit
Before You Begin
Scanner Exterior
Scanner Front Cover
Scanner Right Cover
Scanner Left Cover
Scanner Upper Cover
Exposure Glass
Scanner Carriage
Cleaning the scanner carriage mirror
Scanner Motor
Original Size Sensors (APS)
Scanner HP Sensor
ARDF/Platen Cover Sensor
Scanner FFC
When Changing the FFC
Modifying the Scanner (Contact/Contactless) when Using the ARDF
Procedure for the ADF
Procedure for the Scanner
Modifying the Scanner (Contact/Contactless) when Using the SPDF
Procedure for the SPDF
Procedure for the Scanner
Laser Unit
Caution Decal Location
Laser Unit
Removing the Laser Unit
Installing a New Laser Unit
After Installing the New Laser Unit
Quenching Lamp
PCL (Pre Cleaning Light)
PCDU
PCDU
PCU/Development Unit
Before Replacing the PCU or Development Unit
Replacement Procedure
Installing a PCU
Installing a Development Unit
OPC Drum
Charge Roller, Cleaning Roller
Pick-off Pawls
Cleaning Blade
Developer
Development Filters
TD Sensor
Development Mixing Auger Bearings
Development Mixing Auger (L / R)
Waste Toner
Waste Toner Bottle
Toner Collection Full Sensor
Recycling Shutter
Transfer Unit
Transfer Unit
Transfer Roller Unit
ID Sensor
Before Replacing the ID Sensor
Replacement Procedure
Transfer Unit Open/Closed LED
Temperature/Humidity Sensor
Fusing Entrance Sensor
Transfer Unit Open/Closed Sensor
Drive Unit
Drum/Waste Toner Motor
Development Motor
Fusing/Paper Exit Motor (MP 2555 SP/3055 SP/3555 SP Only)
Fusing Motor (MP 4055 SP/5055 SP/6055 SP Only)
Paper Exit Motor (MP 4055 SP/5055 SP/6055 SP Only)
Registration Motor
Paper Feed Motor
Vertical Transport Motor
Transfer Roller Contact Motor
Toner Hopper
Toner Supply Motor
Fusing Unit
Fusing Unit
Replacement
Fusing Entrance Guide Plate
Cleaning the Fusing Entrance Guide Plate
Fusing Exit Guide Plate
Fusing Upper Cover
Fusing Lower Cover
Heating Sleeve Belt Unit
Replacement
To Clear SC544-02 or SC554-02
Pressure Roller and Pressure Roller Bearings
Adjustment before Replacing the Pressure Roller and Pressure Roller Bearings
Replacement
Thermostat Unit
Fusing Roller Temperature Sensors
Pressure Roller Temperature Sensors
Fusing Thermopiles
Notes When Reassembling the Fusing Unit
Paper Exit
Paper Exit Unit
Paper Exit Switching Solenoid
Paper Exit Sensor
Reverse Sensor
Paper Exit Full Sensor
Reverse Motor
Fusing Exit Sensor
Paper Feed
Paper Feed Unit
1st Paper Feed Unit
2nd Paper Feed Unit
Paper Dust Collection Unit
Pick-up Roller, Paper Feed Roller, Separation Roller, Torque Limiter
1st / 2nd Paper Feed Tray Lift Motor
1st / 2nd Paper Feed Sensor
Vertical Transport Sensor
Limit Sensor
1st Paper End Sensor / 2nd Paper End Sensor
Registration Sensor
Duplex Unit
Duplex/By-pass Motor
Duplex Entrance Motor
Duplex Entrance Sensor
Duplex Exit Sensor
Bypass Tray Unit
Bypass Tray
Bypass Paper End Sensor
Bypass Pick-up Roller
Bypass Paper Feed Roller
Bypass Separation Roller
Torque Limiter
Bypass Width Sensor
Bypass Length Sensor
PCBs and Other Items
Overview
Around the Controller Box
Around the Power Supply Box
Controller Box Cover
IPU
BCU
When installing the new BCU
Replacing the NVRAM (EEPROM) on the BCU
Controller Board
Replacing the NVRAM on the controller board
HDD
Adjustment after replacement
HVPS
PSU
Heater Board
Controller Box
Imaging Temperature Sensor (Thermistor)
DC SW board
Fans/Filters
Odor Filter
Particulate Filter (MP 4055 SP/5055 SP/6055 SP Only)
Dust filter
Development Exhaust Fan
Paper Exit Cooling Fan
Fusing Fan
Development Bearing Cooling Fan (MP 4055 SP/5055 SP/6055 SP Only)
PSU Cooling Fan (MP 4055 SP/5055 SP/6055 SP Only)
Adjustment after Replacement
Printing
Registration - Leading Edge/Side-to-Side
Blank Margin
Main Scan Magnification
Parallelogram Image Adjustment
Scanning
Registration: Platen Mode
Magnification
ADF Image Adjustment
ARDF side-to-side, leading edge registration and trailing edge
Sub Scan Magnification
System Maintenance
Service Program Mode
Entering SP Mode
Exiting SP Mode
Types of SP Modes
SP Mode Button Summary
Switching Between SP Mode and Copy Mode for Test Printing
Selecting the Program Number
Service Mode Lock/Unlock
Remarks
Others
Firmware Update (Remote Firmware Update)
RFU Performable Condition
Firmware Update (SD Card)
Overview
Firmware Types
Procedure
Preparation
Update procedure
Error Screens During Updating
Firmware Update (Smart Firmware Update)
Overview
Immediate Update
Update at the Next Visit (Reserve)
How to Set the Machine to Download Firmware Later (RESERVE)
How to Check if the Firmware Downloaded with Reserve
How to Install Firmware Downloaded with Reserve
Update via SD card
Firmware Update (Auto Remote Firmware Update)
Overview
Downloading and Updating Process
Downloads the latest package
Judgement of ARFU
Update Process
Related SP
Updating JavaVM
Creating an SD Card for Updating
Updating Procedure
List of Error Messages
NVRAM Data Upload/Download
Uploading Content of NVRAM to an SD card
Downloading an SD Card to NVRAM
UP/SP Data Import/Export
Overview
Import/export conditions
UP Data Import/Export
Data that can be imported and exported
Data that cannot be imported or exported
Exporting Device Information
Importing Device Information
SP Data Import/Export
Data that can be imported and exported
Exporting Device Information
Importing Device Information
Possible solutions for import/export problems
Address Book Upload/Download
Information List
Download
Upload
Specification
Capturing the Device Logs
Overview
Security of the Operation Log
Retrieving the Device Logs via Operation Panel
Procedure for Retrieving the Device Log with SD Card
Retrieving the Device Logs via Web Image Monitor
SMC List Card Save Function
Overview
SMC List Card Save
Procedure
File Names of the Saved SMC Lists
Error Messages
Card Save Function
Overview
Card Save:
Procedure
Error Messages
Troubleshooting
Self-Diagnostic Mode
Service Call Conditions
SC Logging
SC Automatic Reboot
SC Manual Reboot
SC Tables: SC1xx (Scanning)
SC101-01 to SC195-00
SC Tables: SC2xx (Exposure)
SC202-00 to SC272-10
SC Tables: SC3xx (Image Processing 1: Charge, Development)
SC302-00 to SC396-01
SC Tables: SC4xx (Image Processing 2: Around the Drum)
SC440-00 to SC498-00
SC Tables: SC5xx (Paper Feed and Fusing)
SC501-01 to SC589-02
SC Tables: SC6xx (Communication and Others)
SC620-01 to SC687-00
SC Tables: SC7xx (Peripherals)
SC700-01 to SC792-00
SC Tables: SC8xx
SC816 to SC899
SC Tables: SC9xx (Others)
SC900-00 to SC995-04
When SC549 Is Displayed
Troubleshooting Flowchart
Fusing Shield Check
Solution
Jam Detection
Paper Jam Display
Jam Codes and Display Codes
Main Machine
Paper Feed Unit PB3210/PB3220
Paper Feed Unit PB3150
LCIT RT3030
ARDF DF3090
SPDF DF3100
Booklet Finisher SR3240
Finisher SR3230
Booklet Finisher SR3220 / Finisher SR 3210
Internal Finisher SR3180
Internal Finisher SR3130
Internal Multi-fold Unit FD3000
Sensor Locations
Paper Size Codes
Other Problems
When SC670 Is Displayed
When SC672 (Controller start up error) is displayed
Symptom:
Cause:
Solution:
[A]: LEDs on the controller board
[B]: Abnormal mode: LEDs on the controller board
[C]: Reconnecting and replacing the USB cable
[D]: Replacing the Memory
[E]: CMOS clear
[F]: Fuse on the IPU
[G]: Replacing the USB cable and the operation panel
Marks (Vertical Streaks) on Prints and Copies due to Scanning Problems
Converting the ARDF DF3090 to Contact Scanning
Converting the SPDF3100 to Contact Scanning
Finisher Registration Adjustment
For SR3240/SR3230
For SR3220/SR3210
Stacking Problem at the 1000-sheet Finisher
Installation procedure for attaching the sheet
Installation procedure for attaching the auxiliary tray to the 1000-sheet finisher
Finisher Jogger Problem
Finisher Jogger Problem (For Booklet Finisher SR3220 (D3B9) / Finisher SR3210 (D3B8))
Early Paper Tray Full Detection Mylar for Internal Finisher SR3130 (D690)
Attaching the Mylar
Paper Curl Problem for SR3180
Maximum number of sheets for stapling and what happens when the job has too many pages
Behavior: When the number of sheets exceeds the maximum staple capability
Specifications: Maximum sheet capability for staple jobs
Fusing Offset Occurs at the Edge or Center of the Paper
Troubleshooting for Toner Density
Troubleshooting for Blots on Middle Thick Glossy or Coated Paper
Blown Fuse Condition
Detailed Descriptions
Guidance for Those Who are Familiar with Predecessor Products
Changes from the Previous Machine
Scanner
Image Processing
Toner Supply
Feed / Transport Part
Electrical parts
Exterior Cover/Air Flows (Fan Control)
Others, Options
Overview
Parts Layout
Scanner Unit
Paper Feed Unit
Laser Unit, PCDU
Fusing Unit
Waste Toner Bottle
Duplex/Bypass Unit
Paper Exit/Reverse Unit
Air Flow
Drive Unit
Electrical Components
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
Structural block diagram
Mechanism
SBU
IPU
Plotter Process
Laser Exposure
Overview
Auto Power Control (APC)
LD Safety Switch
PCU
Overview
OPC Drum Drive Mechanism
Drum Charge
Drum Cleaning, Toner Discarding
ID Sensor
Development
Overview
Development Mechanism
Development Bias
Drive
Toner Supply
Toner Density Control
Toner End Detection
Toner End Recovery
Transfer and Separation
Overview
Transfer Roller Unit Charge
Transfer Roller Contact and Release Mechanism
Fusing
Overview
Mechanism
Waste Toner
Toner Discarding
Waste Toner Bottle
Feed/ Transport part
Overview
Feed / transport part
Tray bottom plate lifting
Paper feed mechanism
Paper feed transport mechanism
Paper size detection (1st / 2nd paper tray)
Remaining paper detection
Paper end detection
Paper feed drive
Paper powder removal mechanism
Bypass feed section
Bypass feed paper/separation mechanism
Bypass feed paper size detection
Bypass feed paper end detection
Bypass paper feed drive
Duplex section
Transport reverse mechanism
Duplex drive
Interleave mechanism
Paper exit unit
Delivery location change-over
Paper Exit Full and Jam Detection
Paper Path and Sensor Locations
Intervals of Rollers
Intervals of Sensors
Air Flows (Fan Control)
Overview
Mechanism
Cooling of PSU
Cooling of Development Unit
Cooling of PCDU
Cooling of Fusing Unit
Crisis management when temperature rises in the MFP
Electrical parts
Block diagram
Board outline
Controller
SBU
LDB
BCU
IPU
FCU
OPU
HVPS
PSU
Feed tray dehumidifier heater, Scanner/PCDU anti-condensation heater
Circuit configuration
One-way Clutches
Paper Feed/Bypass
Duplex
Process Control
Image Density Control (Process Control)
Outline
Potential Control
Vtref Compensation
TD Sensor Initial Setting When a New PCDU Is Installed
Mechanism
Sensor Composition
ID Sensor
TD Sensor
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
Adobe PS vs. Clone PS
Overview
How to Distinguish Adobe PS from Clone PS
Difference in Device Fonts
Font Change Confirmation Screen
List of fonts and their replacements (Adobe PS -> Clone PS)
Differences in Driver Functions