Ricoh MPC401 MPC401SR Field Service Manual (product code D191 D193)

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 Ricoh MPC401 MPC401SR (product code D191 D193) 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:

Important Safety Notices
Responsibilities of the Customer Engineer
Customer Engineer
Reference Material for Maintenance
Before Installation, Maintenance
Shipping and Moving the Machine
Installation, Disassembly, and Adjustments
Special Tools
During Maintenance
Safety Devices
Organic Cleaners
Lithium Batteries
Power Plug and Power Cord
After Installation, Servicing
Disposal of Used Items
Points to Confirm with Operators
Special Safety Instructions for Toner
Accidental Physical Exposure
Handling and Storing Toner
Toner Disposal
Safety Instructions for this Machine
Prevention of Physical Injury
Health Safety Conditions
Observance of Electrical Safety Standards
Safety and Ecological Notes for Disposal
Laser Safety
Symbols, Abbreviations and Trademarks

1. Product Information
Guidance for Those Familiar with Predecessor Products
Basic Machine Configuration
New General Features
Machine Options
Controller Options
Fax Options
Machine Exterior
Operation Panel
Right Rear Corner Cover
Controller Board Faceplate Layout
SD Card Storage Location
Main Power Switch
IPU (Rear)
Scanner Unit IDB
Controller Board
Controller Fan
SDB Eliminated
HDD Unit (Standard)
HDD Unit (Option)
External Appearance
Machine Configuration
Machine Configuration
Main machine
Component Layout
Paper Path
Standard model (Basic)
Standard model (Full option)
Finisher model (Basic)
Finisher model (Full option)
Drive Layout

2. Installation
Installation Requirements
Machine Level
Machine Space Requirements
Machine Dimensions
Power Requirements
Optional Unit Combinations
Machine Options
Controller Options
Fax Options
Other Options
Copier Installation
Installation Flow Chart
Basic model
Finisher model
Accessory Check
Installation Procedure
Tapes, Retainers and Toner Bottles
Paper Tray
Left Tray Setting for D193
Initialize the Developer
Settings Relevant to the Service Contract
Settings for @Remote Service
Security Function Installation
Data Overwrite Security
HDD Encryption
When the data overwrite security and encryption functions cause a problem
Moving the Machine
Transporting the Machine
Main Frame
Paper Feed Unit (M368)
Component Check
Installation Procedure
For installing the paper feed unit (M368) only
For installing with the paper feed unit (M367)
Paper Feed Unit (M367)
Component Check
Installation Procedure
For installing the paper feed unit (M367) only
For installing with the paper feed unit (M368)
Side Tray (M369)
Component Check
Installation Procedure
1-Bin Tray Unit (M370)
Component Check
Installation Procedure
Enhanced Security HDD Option Type M10 (D792-09)
Accessory Check
After Installing the HDD
Optional Counter Interface Unit (B870)
Installation Procedure
Copy Data Security Unit (D640)
User Tool Setting
Tray Heater (Mainframe)
Installation Procedure
Tray Heater (Optional Unit)
Component Check
Installation Procedure
For Installing the Tray Heater in M367
For Installing the Tray Heater in M368
Smart Operation Panel Type M10 (D190)
Before Installation
Firmware Update, Initial SP Settings
Removing Standard Operation Panel and Hinge
Smart Operation Panel Installation
Power On
Controller Options
SD Card Appli Move
Move Exec
Undo Exec
File Format Converter Type E (D377-04)
IEEE 802.11 Interface Unit Type O (M417)
Browser Unit Type M10 (D792-03, -04)
Installation Procedure
Do the following steps if the customer is using the Ricoh JavaScript connected to a Web
application developed by Operius/RiDP
Browser/EXJS Firmware Update Procedure
EXJS Firmware Un-install Procedure
IC Card Reader
Bluetooth Interface Unit Type D (D566)
Camera Direct Print Card Type M10 (D792-07)
XPS Direct Print Option Type M10 (D792-08)
SD card for NetWare printing Type M10 (D792-06)
OCR Unit Type M2 (D166-25, -26)
What is Searchable PDF?
When the original SD card exists
If Original SD Card is Lost
DataOverwriteSecurity Unit Type H (D377-22)
Component List
Installation Procedure
Check All Connections

3. Preventive Maintenance
Maintenance Tables
PM Parts Settings
Before Removing the Old PM Parts
After installing the new PM parts
Preparation before operation check
Operation check

4. Replacement and Adjustment
Notes on the Main Power Switch
Push Switch
Characteristics of the Push Switch (DC Switch)
Shutdown Method
Forced Shutdown
Special Tools
Image Adjustment
Scanner sub-scan magnification
Scanner leading edge and side-to-side registration
ARDF side-to-side, leading edge registration and trailing edge
ARDF sub-scan magnification
Image Area
Leading Edge
Side to Side
Adjustment Standard
Paper Registration Standard
Adjustment Procedure
Erase Margin Adjustment
Color Registration
Line Position Adjustment
Printer Gamma Correction
Copy Mode
Printer Mode
Exterior Covers
Front Door
Toner Collection Bottle
Left Cover
Rear Lower Cover
Rear Cover
Dust Filter
Exhaust Filter
Right Rear Cover
Operation Panel
LCD Board
Operation Panel Interface Board
LCD Unit
Operation Panel Main Board
Operation Panel Sub Board
Operation Panel Keys
Touch Panel Position Adjustment
Paper Exit Tray
Inner Right Cover
Basic model
Finisher model
Inner Right Lower Cover
Right Upper Cover
Scanner Unit
Exposure Glass
ARDF Exposure Glass
LED Board
Scanner Motor
Sensor Board Unit (SBU)
When reassembling
Scanner HP Sensor
Cover Sensor
Front Scanner Wire
Reinstalling the Front Scanner Wire
Rear Scanner Wire
Reinstalling the Rear Scanner Wire
Laser Optics
Caution Decal Location
Laser Unit
Preparing the new laser unit
Before removing the old laser unit
Recovery procedure for no replacement preparation of laser unit
Removing the laser unit
After installing a new laser unit
Ventilation Fan
When installing the ventilation fan
Image Creation
PCDU (Photo Conductor and Development Unit)
When installing a new PCDU
PCU and Development Unit
When Reinstalling the PCDU
Toner Supply Motor
Toner Collection Motor
Waste Toner Bottle Full Sensor
Waste Toner Bottle Set Sensor
RFID Board
Toner Supply Fan
When installing the toner supply fan
Image Transfer
ITB (Image Transfer Belt) Unit
Image Transfer Belt, ITB Cleaning Unit
When Installing the Image Transfer Belt
ITB Encoder
ITB Contact Motor
ITB Contact Sensor
ID Sensor Board
After installing a new ID sensor board
Paper Transfer
PTR (Paper Transfer Roller) Unit
When Installing the PTR Unit
PTR Contact Motor
PTR Contact Sensor
Temperature and Humidity Sensor
Drive Unit
Gear Unit
Drum Motor: CMY
Development Motor: CMY
ITB Unit/ Drum: K/ Development: K Motor
Development Clutch: K
Fusing/Paper Exit Motor
Motors with Bracket
Registration Motor
Duplex/ By-pass Motor
Paper Feed Motor
Vertical Transport Motor
Drum Phase Sensor: CMY
Drum Phase Sensor: K
Inverter Motor
Drive Unit Fan
When installing the drive unit fan
Fusing Unit Maintenance Parts
Fusing Unit
When installing the fusing unit
Cleaning Unit
Oil Supply Roller
Cleaning Roller
Plain Shaft Bearing
Pressure Roller Fusing Lamp
Pressure Roller
When Reinstalling the Pressure Roller
Heating Roller Fusing Lamp
Fusing Belt
Fusing, Heating and Tension Roller
When Reinstalling the Fusing Roller
Heating Roller Thermostat
Heating Roller Thermistor
Pressure Roller Thermistor
Pressure Roller Thermostat
Fusing Front Fan
When installing the fusing front fan
Fusing Rear Fan
When installing the fusing rear fan
Paper Feed
Separation Roller
Paper Feed Unit
Pick-up and Paper Feed Rollers
Registration Sensor
Vertical Transport Sensor
Paper Lift Sensor
Paper End Sensor
Paper Feed Sensor
Tray Lift Motor
Paper Size Switch
Cleaning the Paper Dust Container
Paper Exit
Paper Exit Unit
Basic model
Finisher model
Paper Exit Sensor
Paper Overflow Sensor
Fusing Exit Sensor
Basic model
Finisher model
Duplex Unit
Duplex Unit
By-pass Tray Unit
Duplex Entrance Sensor
Duplex Exit Sensor
Inverter Sensor
Fusing Entrance Sensor
By-Pass Paper Size Sensor
When reinstalling the by-pass paper size sensor
By-pass Paper End Sensor
By-pass Pick-up Roller
By-pass Feed and Separation Roller
When installing the Platen Sheet
ARDF Rear Cover
ARDF Front Cover and Original Tray
Original Feed Unit
Pick-Up Roller
Feed Roller
Friction Pad
ARDF Drive Board
Original Set Sensor and ARDF Top Cover Sensor
Feed Motor
Feed Clutch
Transport Motor
Registration Sensor
Inverter Sensor
Cooling Fan
When installing the cooling fan
Internal Finisher
Internal Finisher
Output Tray Unit
Stapler Unit
Gathering Roller Motor
Paper Exit Motor
Shift Roller Motor
Transport Motor
Tray Lift Motor
Jogger Motor
Exit Guide Plate Motor
Shift Roller HP Sensor
Gathering Roller HP Sensor
Jogger Fence HP Sensor
Entrance Sensor
Paper Exit Sensor
Paper Sensor
Staple Tray Paper Sensor
Tray Lower Limit Sensor
Main Board
When reinstalling the main board
Electrical Components
Controller Box Cover
Controller Box
Opening the controller box
Removing the controller box
When installing a new HDD unit
Disposal of HDD Units
Controller Board
Installing a New Controller Board
When installing the new BCU
Removing the BCU with bracket
NVRAM/EEPROM Replacement Procedure
SMC Report
NVRAM on the Controller
Opening the PSU box
Removing the PSU box
HVPS: T1T2 Board
HVPS: CB Board

5. System Maintenance
Service Program Mode
SP Tables
Enabling and Disabling 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
Exiting Service Mode
Service Mode Lock/Unlock
Display on the Control Panel Screen
System SP1-xxx: 1
SP1-XXX (Feed)
System SP1-xxx: 2
SP1-XXX (Feed)
System SP2-xxx: 1
SP2-XXX (Drum)
System SP2-xxx: 2
SP2-XXX (Drum)
System SP2-xxx: 3
SP2-XXX (Drum)
System SP2-xxx: 4
SP2-XXX (Drum)
System SP2-xxx: 5
SP2-XXX (Drum)
System SP2-xxx: 6
SP2-XXX (Drum)
System SP3-xxx: 1
SP3-XXX (Process)
System SP3-xxx: 2
SP3-XXX (Process)
System SP4-xxx
SP4-XXX (Scanner)
System SP5-xxx: 1
SP5-XXX (Mode)
System SP5-xxx: 2
SP5-XXX (Mode)
System SP5-xxx: 3
SP5-XXX (Mode)
System SP5-xxx: 4
SP5-XXX (Mode)
System SP6-xxx
SP6-XXX (Peripherals)
System SP7-xxx: 1
SP7-XXX (Data Log)
System SP7-xxx: 2
SP7-XXX (Data Log)
System SP7-xxx: 3
SP7-XXX (Data Log)
System SP8-xxx: 1
SP8-xxx: Data Log2
System SP8-xxx: 2
SP8-xxx: Data Log2
System SP8-xxx: 3
SP8-xxx: Data Log2
Input and Output Check
Input Check Table
Table 1: Paper Size Switch (Tray 1)
Table 2: Paper Size Switch (Tray 2)
Table 3: Paper Size Switch (Tray 3 and 4)
Internal Finisher
Output Check Table
Internal Finisher
Printer Service Mode
SP1-XXX (Service Mode)
Scanner Service Mode
SP1-xxx (System and Others)
SP2-XXX (Scanning-image quality)
Firmware Update
Type of Firmware
Before You Begin
Updating Firmware
Updating Procedure
Error Messages
Firmware Update Error
Recovery after Power Loss
Browser Unit Update Procedure
Handling Firmware Update Errors
Error Message Table
SFU (Smart Firmware Update)
SFU Procedure
How to Set a Reservation
Checking the reserved and received package information
Update the Package Firmware via SD Card
Updating JavaVM
Creating an SD Card for Updating
Updating Procedure
List of Error Messages
Installing Another Language
Reboot/System Setting Reset
Software Reset
System Settings and Copy Setting Reset
System Setting Reset
Copier Setting Reset
Controller Self-Diagnostics
Downloading Stamp Data
NVRAM Data Upload/Download
Uploading Content of NVRAM to an SD card
Downloading an SD Card to NVRAM
Address Book Upload/Download
Information List
Capturing the Debug Logs
Types of debug logs that can be saved
Operation Log Security
Retrieving Debug Logs
Procedure for Retrieving the Debug Log
Card Save Function
Card Save:
Error Messages
Test Pattern Printing

6. Troubleshooting
SC Tables
Service Call Conditions
SC Code Classification
Service Call 1xx
SC1xx: Scanning
Service Call 2xx
SC 2xx: Exposure
Service Call 3xx
SC3xx: Image Processing – 1
SC3xx: Image Processing – 2
Service Call 4xx
SC4xx: Image Processing – 3
Service Call 5xx
SC5xx: Paper Feed and Fusing
Service Call 6xx
SC6xx: Device Communication
Service Call 7xx
SC7xx: Peripherals
Service Call 8xx
SC8xx: Overall System
Service Call 9xx
SC9xx: Miscellaneous
Process Control Error Conditions
Developer Initialization Result
Process Control Self-Check Result
Vsg Adjustment Result
Line Position Adjustment Result
Troubleshooting Guide
Line Position Adjustment
Countermeasure list for color registration errors
Problem at Regular Intervals
Blank Print
All-black Print
Missing CMY Color
Light Print
Repeated Spots or Lines on Prints
Dark Vertical Line on Prints
White Horizontal Lines or Bands
Missing Parts of Images
Dirty Background
Partial CMY Color Dots
Dark Irregular Streaks on Prints
CMY Color Irregular Streaks
Unfused or Partially Fused Prints
Image Skew
Background Stain
No Printing on Paper Edge
Image not centered when it should be
Light Density (SC360, SC361, SC362, SC363)
Possible Causes
Necessary Actions
PCDU Installation (SC312, SC313, SC314, SC315)
Possible Causes
Necessary Actions
Jam Detection
Paper Jam Display
Jam Codes and Display Codes
Paper Size Code
Electrical Component Defects
Blown Fuse Conditions
Power Supply Unit
Scanner Test Mode
SBU Test Mode

7. Energy Saving
Energy Save
Energy Saver Modes
Timer Settings
Return to Stand-by Mode
Paper Save
Effectiveness of Duplex/Combine Function
1. Duplex:
2. Combine mode:
3. Duplex + Combine:
How to calculate the paper reduction ratio