Ricoh MPC2004 MPC2504 MPC2004ex MPC2504ex Machine Code: D243/D244/D0AH/D0AJ Service Manual and Parts Catalog


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual and parts catalog Ricoh MPC2004 MPC2504 MPC2004ex MPC2504ex Machine Code: D243/D244/D0AH/D0AJ contain clear instructions and procedures on how to fix the problems occurring in your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
Table of contents:

Symbols, Abbreviations and Trademarks
Symbols, Abbreviations
Trademarks

1) PRODUCT INFORMATION
Product Overview
Component Layout
Paper Path
Drive Layout
Machine Codes and Peripherals Configuration
Main Machine
-17
-18
-19
-21
-22
-26
-27
-29
-65
Options
Diagram
Specifications

2) INSTALLATION
Installation Requirements
Environment
Machine Level
Machine Space Requirements
Machine Dimensions
Model -27, -29, -65 (220-240 V)
Model -17, -18 (120-127 V)
Power Requirements
Input Voltage Level
Main Machine Installation
Important Notice on Security Issues
Installation Flow Chart
Accessory Check
Installation Procedure
Removal of Packing Materials and Shipping Retainers
For Machines with preinstalled SPDF: Removal of protective sheet
Removal of PCDU Seals
Attaching the Optical Cloth Pocket
Attaching the Paper Exit Tray Parts
Checking the Position of the Paper Exit Feeler
Attaching the Decals
Toner Bottle Installation and Login Password Setting
For Machines with Preinstalled ARDF: Fax Stamp Installation (Option)
Image Quality Test/ Settings
Before Test
Loading Paper
ACC Execution and Color Registration Adjustment
Checking the Copy Image with the Test Chart
Paper Settings
Auto Remote Firmware Update Settings
Enabling the Copy Data Security Function
HDD Security Function Setting
Settings Relevant to the Service Contract
Moving the Machine
Cautions upon Lashing
Anti-Condensation Heater (Scanner, PCDU)
Anti-Condensation Heater (Scanner)
Accessory Check
Installation Procedure
Anti-Condensation Heater (PCDU)
Accessory Check
Installation Procedure
Anti-Condensation Heater for Paper Feed Trays
Accessory Check
Connecting to Main Machine Tray
Connecting to Paper Feed Unit PB3220/PB3210
Connecting to Paper Feed Unit PB3150
Paper Feed Unit PB3220 (D787-18, -22)/ PB3210 (D787-17)
Accessory Check
Installation Procedure
Paper Feed Unit PB3150 (D694)
Accessory Check
Installation Procedure
Caster Table Type M3 (D178)
Accessory Check
Installation Procedure
How to Place the MFP on the Caster Table
How to Place the Paper Feed Unit PB3150 on the Caster Table
Platen Cover PN2000 (D700)
Accessory Check
Installation Procedure
ARDF DF3090 (D779)
Accessory Check
Installation Procedure
When Feeding Thin Paper
SPDF DF3100 (D3B0)
Accessory Check
Installation Procedure
Attaching the SPDF
Adjust SP Settings
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
Booklet Finisher SR3220 (D3B9)
Accessory Check
Installation Procedure
Attaching the Proof Support Tray
Punch Unit PU3050
Accessory Check
Installation Procedure
Internal Finisher SR3130 (D690)
Accessory Check
Installation Procedure
Punch Unit PU3040 (D716)
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 Stapleless Stapler
How to set Margin Erase for Stapleless Stapler
Banner Paper Guide Tray Type M19 (D3BF)
Accessory Check
Installation Procedure
Imageable Area Extension Unit Type M19 (D3BR-07)
Accessory Check
Installation Procedure
When You Forgot to Change the SP
External Keyboard Bracket Type M19 (D3BR-10)
Accessory Check
Installation Procedure
Internal Options
List of Slots
USB Device Server Option Type M19 (D3BC-28,-29)
Accessory Check
Interface Board Surface
Installation Procedure
What Do the LED Indications Mean?
IP Address Setting
Extended USB Board Type M19 (D3BS-01)
Accessory Check
Installation Procedure
IEEE 1284 Interface Board Type M19 (D3C0)
Accessory Check
Installation Procedure
IEEE 802.11agn Interface Unit Type M19 (D3BR-01)
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
Bluetooth Interface Unit Type D (D566-01)
Accessory Check
Installation Procedure
Memory Unit Type M19 4GB (D3BX-03)
Accessory Check
Installation Procedure
Enhanced Security HDD Option Type M12 (D3A6-02)
Accessory Check
Installation Procedure
After Installing the HDD
Optional Counter Interface Unit Type M12 (B870-21)
Accessory Check
Installation Procedure
Key Counter Bracket Type M3 (D739-09)
Accessory Check
Installation Procedure
Card Reader Bracket Type 3352 (D593-61)
Accessory Check
Installation Procedure
NFC Card Reader Type M19 (D3BS-21)
Accessory Check
Installation Procedure
Smart Card Reader Built-in Unit Type M19 (D3BS-22)
Accessory Check
Installation Procedure
Procedure for Connecting to the Main Machine USB Slot
Procedure for Connecting to the Operation Panel USB Slot
SD Card Options
SD Card Slots
List of Slots Used
SD Card Appli Move
Overview
Move Exec
Undo Exec
PostScript3 Unit Type M19 (D3BD-05, -06, -07)
Accessory Check
Installation procedure
Camera Direct Print Card Type M19 (D3BD-13)
Accessory Check
Installation Procedure
XPS Direct Print Option Type M19 (D3BC-24, -25, -26)
Accessory Check
Installation Procedure
OCR Unit Type M13 (D3AC-23, -24, -25)
Accessory Check
Searchable PDF Function Outline
Installation Procedure
Recovery Procedure
DataOverwriteSecurity Unit Type M19 (D3BS-03)
Overview
Accessory Check
Before You Begin the Procedure
Seal Check and Removal
Installation Procedure
Configuring “Auto Erase Memory” (Performed by the Customer)
@Remote Settings
Security Settings
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

3) PREVENTIVE MAINTENANCE
PM Parts Settings
Replacement Procedure of the PM Parts
Method 1: By SP3701
Method 2: By [PM Counter / New Unit Set] Menu
After Installing the New PM Parts
SP Descriptions
Preparation before Operation Check
SP Descriptions
Operation Check
PM Parts List

4. 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
Exterior Covers
Overview
Front and Rear Side Covers
Right and Left Side Covers
Paper Exit Covers
Inner Covers
Front Cover
Controller Cover
Upper Left Cover
Left Rear Cover
Left Cover
Rear Cover
Rear Lower Cover
Right Rear Cover
Right Upper Cover
Front Upper Cover
Proximity Sensor (Human Detection Sensor)
Main Power Switch Cover
Waste Toner Cover
Inverter Tray
Paper Exit Tray
Paper Exit Cover
Paper Exit Lower Cover
Paper Exit Front Cover
Inner Upper Cover
Inner Lower Cover
Smart Operation Panel
Operation Panel Unit
USB Cable
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
APS Sensor
Scanner HP Sensor
ARDF/Platen Cover Sensor
Scanner FFC
When Changing the FFC
Laser Unit
Laser Unit
Before Replacement
Removing
Installing a New Laser Unit
Adjustment after Replacing the Laser Unit
Polygon Mirror Motor
Adjustment after Replacing the Polygon Mirror Motor
SP Descriptions
PCDU
PCDU
Adjustment after Replacing the PCDU
PCU/Development Unit
Before Replacing a PCU
Before Replacing a Development Unit
Replacement
Notes for Assembling PCU/Development Unit
Method for Checking after Replacement
Adjustment after Replacing the PCU and/or the Development Unit
Imaging Temperature Sensor (Thermistor)
Waste Toner
Waste Toner Bottle
Before Replacing the Waste Toner Bottle
Replacement
Image Transfer Unit
Image Transfer Belt Unit
What to Do before Replacing the Image Transfer Belt
Replacement
Image Transfer Cleaning Unit
What to Do before Replacing the Image Transfer Cleaning Unit
Replacement
Image Transfer Belt
Attaching the Belt
Adjustment after replacing the Image transfer belt
Paper Transfer Roller
When reinstalling the paper transfer roller
Paper Transfer Roller Unit
What to Do before Replacing the Paper Transfer Roller Unit
Replacement
Fusing Entrance Sensor
TM/ID Sensor
Before Replacing the TM/ID sensor
Replacement procedure
Adjustment after Replacing the TM/ID sensor
Temperature and Humidity Sensor
ITB Contact and Release Sensor
Image Transfer Lock Unit
Installing the Image Transfer Lock Unit
Drive Unit
Overview
Paper Feed Motor
Transport Motor
Paper Transfer Contact and Release Motor Unit
Imaging Drive Unit
PCU Motor: CMY
Development Motor: CMY
Development Solenoid
PCU motor: Black / ITB Drive Motor
Registration Motor
Fusing Motor
Paper Exit/ Pressure Release Motor
Duplex Entrance Motor
Toner Supply Motor
Sub Hopper
K
C
M
Y
Toner End Sensor
Toner Bottle Drive Motor
K
C
M
Y
ID Chip Contact Board
K
C
M
Y
Transport Coil Unit
Y
M
C
K
Fusing Unit
Fusing Unit
Fusing Entrance Guide Plate
Cleaning the Fusing Entrance Guide Plate
Fusing Exit Guide Plate
Cleaning the Fusing Exit Guide Plate
Fusing Upper Cover
Fusing Lower Cover
Fusing Sleeve Belt Unit
Adjustment before Replacing the Fusing Sleeve Belt Unit
Replacement
Pressure Roller
Adjustment before Replacing the Pressure Roller
Replacement
Fusing Sleeve Thermostat Unit
Non-Contact Thermistor
Pressure Roller Thermistor
Thermopile Unit
Pressure Roller HP Sensor
Fusing Exit Drive Solenoid
Paper Exit
Paper Exit Unit
Paper Exit Solenoid
Paper Exit Sensor
Reverse 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 Tray Lift Motor/ 2nd Tray Lift Motor
Transport Sensor
Upper Limit Sensor
Paper End Sensor
Registration 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
Duplex Unit
Duplex Unit
Duplex/Bypass Motor
Duplex Entrance Sensor
Duplex Exit Sensor
Electrical Components
Overview
Printed Circuits/Parts inside the Controller Box
Printed Circuits behind the Controller Box
Printed Circuit/Parts inside the Power Box
Printed Circuits behind the Power Box
Controller Box Cover
IPU
BCU
When installing the new BCU
Replacing the NVRAM (EEPROM) on the BCU
Controller Board
Replacing the NVRAMs on the Controller Board
HDD
Adjustment after replacement
Controller Box
Imaging IOB
HVP_TTS
PSU (AC Controller Board)
PSU (DC Power)
Power Supply Box
Paper Transport IOB
HVP-CB
HVP-CB with Bracket
Proximity Sensor (Human Detection Sensor) Board
Fans/Filters
Ozone filter/Dust filter
Adjustment before Replacing the Dust Filter
Replacement
Deodorization Filter
Development Intake Fan
Ozone Exhaust Fan
Paper Exit Cooling Fan
Fusing Exhaust Fan
Toner Supply Cooling Fan
PSU Cooling Fan
Controller Box Cooling Fan
Image Adjustment
Auto Color Calibration
Scanning
Scanner Sub-scan Magnification
Scanner Leading Edge and Side-to-side Registration
ARDF
ARDF Side-to-side, Leading Edge Registration and Trailing Edge
ARDF Sub-scan Magnification
Registration
Image Area
Leading Edge
Side to Side
Adjustment Standard
Paper Registration Standard
Adjustment Procedure
Erase Margin Adjustment
Adjusting the Tone of the Printed Image
Adjustment by Changing the Printer Driver Setting
Opening the Printer Driver’s “Color Balance Details” Window
Color Balance Details Window
Adjusting the Tone in the “Color Balance Details” Window
Adjustment Examples
Adjustment by Changing the Machine’s Profile Setting
Procedure to Change the Profile Setting
Patterns and Tendency of the Tone for Each Profile
Printer Gamma Correction
Color Registration
Check the Occurrence of Color Registration Errors
Judgment for Type of Color Registration Error

5. 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
SP Tables
Firmware Update (SD Card)
Overview
Firmware Type
Procedure
Preparation
Update procedure
Error Screens During Updating
Firmware Update (Remote Firmware Update)
RFU Performable Condition
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
Checking the ARFU Result
Checking the Result Using the Logging Data
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
Address Book Upload/Download
Information List
Download
Upload
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
UP/SP Data Import/Export
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
Card Save Function
Overview
Card Save:
Procedure
Error Messages

6. TROUBLESHOOTING
Self-Diagnostic Mode
SC Automatic Reboot
Controller Self-diagnosis Outline
Controller Self-diagnosis Flowchart
HDD-related Message
Service Call Conditions
Summary
SC Logging
List of Automatic Reboot Target SC
Engine SC
Controller SC
SC Code Classification
Service Call 101-195
SC100 (Engine: Scanning)
Service Call 202-285
SC200 (Engine: Image Writing)
Service Call 312-396
SC300 (Engine: Charge, Development)
Service Call 441-498
SC400 (Engine: Around the Drum)
Service Call 501-584
SC500 (Engine: Paper transport 1: Paper Feed, Duplex, Transport)
SC500 (Engine: Fusing)
Service Call 620-687
SC600 (Engine: Communication and Others)
SC600 (Controller)
Service Call 700-792
SC700 (Engine: Peripherals)
Service Call 816-899
SC800 (Controller)
Service Call 900-998
SC900 (Engine: Others)
SC900 (Controller)
Troubleshooting for SC Errors
When SC285-02 (MUSIC Error) Is Displayed
Causes
Solutions
When SC370 (TM (ID) Sensor Calibration Error) Is Displayed
Causes
Solutions
Recovery Check Procedure
Adjustment after Recovery
When SC501, SC502, SC503, or SC504 (Paper Tray Error) Is Displayed
Solutions
When SC544-02, SC554-02 (Non-contact Thermistor High Temperature Detection) Is Displayed
How to Clear SC544-02/SC554-02 with a New Unit Detection Fuse
Isolation Diagram of SC663, 664, 665, 667, 668, and 670-01
When SC670 (Engine start up error) is displayed
Causes
Solutions
When SC672 (Controller start up error) Is Displayed
Symptom
Causes
Solutions
When Abnormal Noise Occurs
Procedure of Checking Abnormal Noise of Drive Unit (Peripheral Fusing)
Operation Check Procedures of the Toner Supply Motor/Toner Bottle Drive Motor
Jam Detection
Jam Display
Clearing a Paper Jam
Paper Jam History
History Checking Method
Paper Jam Display
Jam Codes and Display Codes
Paper Size Code
Sensor Locations
Troubleshooting for Transport/Paper Feeding of the Machine
Curled Paper
Initial Jam
Initial Jam: Cause Code 001 / Location Code A
Initial Jam: Cause Code 001 / Location Code B
Initial Jam: Cause Code 001 / Location Code C
Initial Jam: Cause Code 001 / Location Code Z
Jam
Bypass No Feeding
Tray 1 Transport Sensor
Tray 2 Transport Sensor
Registration Sensor
Fusing Entrance Sensor
Fusing Exit Sensor
Paper Exit Sensor
Tray 1 Transport Sensor
Tray 2 Transport Sensor
Registration Sensor
Paper Exit Sensor
Reverse Sensor
Reverse Sensor
Duplex Exit Sensor
Duplex Exit Sensor
Duplex Entrance Sensor
Duplex Entrance Sensor
Duplex No Feeding
Bypass Transport Sensor 1
Display Error
Waste toner bottle is never full
No waste toner bottle set is displayed on controller board even when it is clear that is set
Waste toner bottle is not detected even when it is set
Paper transfer unit open/close LED not lit and paper transfer unit open
Paper transfer unit open/close LED not lit
Paper transfer unit open/close LED always lit
Troubleshooting for Finishing Options
Finisher Registration Adjustment For Booklet Finisher SR3220 (D3B9)
Finisher Jogger Problem (For Booklet Finisher SR3220 (D3B9)
Early Tray Full Detection Mylar for Internal Finisher SR3130 (D690)
Pasting the Mylar
Paper Curl Problem for SR3180 (D766)
Maximum number of sheets for stapling and what happens when the job has too many pages
Specifications: Maximum sheet capability for staple jobs
Behavior: When the number of sheets exceeds the maximum staple capability
Select the behavior when the job has more than the maximum of staple capability with SP5199
Electrical Component Defects
Fuses
Vertical Streaks on Copies due to Scanning Problems
Overview
Converting the ARDF DF3090 to Contact Scanning
Converting the SPDF3100 to Contact Scanning
Image Quality Problems
Misjudgment for Auto Color Selection (Copy/Scanner)
Error Condition
Causes
Solutions
Misjudgment for Auto Color Selection (e.g. When Using Paper Which Has a Strong Blue Component)
When an abnormal image is generated
Other Troubleshooting
When Fluorescent/ LED Lamps Flicker

7. 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

& Parts Catalog (3D Representation).

Ricoh MP C2004 MP C2504 MP C2004ex MP C2504ex Machine Code D243 D244 D0AH D0AJ MPC 2004 MPC 2504 MPC 2004ex MPC 2504ex