Ricoh Aficio MPC2051 Aficio MPC2551 Service Manual and Parts Catalog (product code D104 D106)

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.
To see what contain, please read table of contents:

Important Safety Notices
Responsibilities of the Customer Engineer
Before Installation, Maintenance
During Maintenance
After Installation, Servicing
Special Safety Instructions for Toner
Safety Instructions for this Machine
Laser Safety
Symbols, Abbreviations and Trademarks

Machine Configuration
Machine D104/D106
Mechanical Component Layout
Paper Path
Drive Layout
Guidance for Those Who are Familiar with Predecessor Products

Installation Requirements
Machine Level
Machine Space Requirements
Power Requirements
Optional Unit Combinations
Machine Options
Controller Options
Copier Installation
Power Sockets for Peripherals
Installation Flow Chart
Accessory Check
Installation Procedure
Moving the Machine
Transporting the Machine
Paper Feed Unit (D331)
Accessory Check
Installation Procedure
Paper Feed Unit (D425)
Component Check
Installation Procedure
Caster Table (D488)
Component Check
Installation Procedure
ARDF (D366)
Component Check
Installation Procedure
Platen Cover Installation (G329)
Side Tray (D427)
Component Check
Installation Procedure
1-Bin Tray Unit (D426)
Component Check
Installation Procedure
Shift Tray Unit (D428)
Component Check
Installation Procedure
Internal Finisher (D429)
Component Check
Installation Procedure
Punch Unit (D390)
Component Check
Installation Procedure
Envelope Feeder EF3010 (D559)
Component Check
Installation Procedure
Card Reader Bracket Type C5501 (D547)
Component Check
Installation Procedure
USB2.0/SD Slot Type G (D556)
Accessory Check
Installation Procedure
Testing the SD Card/USB Slot
Mechanical Counter (NA Only)
Installation Procedure
Key Counter Bracket
Installation Procedure
Key Counter Interface Unit
Installation Procedure
Anti-Condensation Heater
Installation Procedure
Tray Heater
Installation Procedure
Controller Options
SD Card Appli Move
PostScript 3
File Format Converter
IEEE 802.11 a/g, g (Wireless LAN)
Browser Unit Type E
Gigabit Ethernet
Check All Connections

Maintenance Tables
PM Parts Settings
Before Removing the Old PM Parts
After Installing the New PM parts
Preparation before Operation Check
Operation Check

Special Tools
Image Adjustment
Erase Margin Adjustment
Color Registration
Printer Gamma Correction
Exterior Covers
PCDU Toner Collection Bottle
Front Door
ITB Cleaning Unit Cover
Left Cover
Rear Cover
Rear Lower Cover
Dust Filter
Right Rear Cover
Operation Panel
Touch Panel Position Adjustment
Inner Right Cover
Inner Cover
Front Right Cover
Right Upper Cover
Left Frame and Left Frame Rear Cover
Paper Exit Cover
Inverter Tray
Inner Tray
Inner Rear Cover
Scanner Unit
Exposure Glass
Original Length Sensors
Exposure Lamp
Scanner Motor
Sensor Board Unit (SBU)
Exposure Lamp Stabilizer
Scanner HP Sensor
Platen Cover Sensor
Front Scanner Wire
Rear Scanner Wire
Laser Optics
Caution Decal Location
Laser Unit
Polygon Mirror Motor
Image Creation
PCDU (Photo Conductor and Development Unit)
Drum Unit and Development Unit
Toner Hopper Unit
Toner Supply Motor
Toner Collection Motor
PCDU Toner Collection Bottle Full Sensor
PCDU Toner Collection Bottle Set Switch
RFID Board
Image Transfer
ITB Cleaning Unit
ITB Toner Collection Bottle Full Sensor
ITB (Image Transfer Belt) Unit
ITB Unit Motor
Image Transfer Belt
ITB Contact Motor
ITB Contact Sensor
Paper Transfer
PTR (Paper Transfer Roller) Unit
Paper Transfer Unit Full-Open
ID Sensor Board
PTR Contact Motor
PTR Contact Sensor
Temperature and Humidity Sensor
Drive Unit
Gear Unit
Registration Motor
Paper Feed Motor: T1
Paper Feed Motor: T2
Drum Motor: CMY
Development Motor: CMY
Drum/Development Motor: K
Development Clutch: K
Fusing/Paper Exit Motor
Fusing Unit
Entrance Guide Plate
Stripper Plate
Exit Guide Plate Cleaning Procedure
Fusing Gear Shafts Lubrication Procedure
Heating Roller Fusing Lamp
Heating Roller Unit
Pressure Roller
Heating Roller Thermostats
Heating Roller Thermistor
Pressure Roller Thermistor
Cleaning Unit (Option) Installation Procedure
Paper Feed
Paper Tray
Feed Roller
Friction Pad
Paper Size Switch
Paper End Sensor
Registration Sensor
Vertical Transport Sensor
Paper Exit
Junction Gate Solenoid Fan
Paper Exit Unit
Fusing Exit Sensor
Paper Exit Sensor
Inverter Sensor
Inverter Motor
Fusing Front Fan
Duplex Unit
Duplex Unit
Duplex Entrance Sensor
Duplex Exit Sensor
Duplex Entrance Motor
Duplex Exit Motor
By-pass Motor
By-pass Tray Unit
By-pass Paper Length Sensor
By-Pass Paper Size Sensor
By-pass Paper End Sensor
By-pass Feed Roller
By-pass Tray HP Sensor
Electrical Components
Controller Box Cover
Controller Box
IPU Board
Controller Box Fan
Fusing Rear Fan
HVPS: CB Board
Controller Board
NVRAM Replacement Procedure

Service Program Mode
SP Tables
Types of SP Modes
Main SP Tables-1
SP1-XXX (Feed)
Main SP Tables-2
SP2-XXX (Drum)
Main SP Tables-3
SP3-XXX (Process)
Main SP Tables-4
SP4-XXX (Scanner)
Main SP Tables-5
SP5-XXX (Mode)
Main SP Tables-6
SP6-XXX (Peripherals)
Main SP Tables-7
SP7-XXX (Data Log)
Main SP Tables-8
Input and Output Check Tables
Main SP Tables-9
Printer Service Mode
Scanner SP Mode
Firmware Update
Type of Firmware
Before You Begin
Updating Firmware
Updating the LCDC for the Operation Panel
Handling Firmware Update Errors
Java VM Updating Procedure
App2Me Updating Procedure
Brower Unit Updating Procedure
Installing Another Language
Reboot/System Setting Reset
Software Reset
System Settings and Copy Setting Reset
Controller Self-Diagnostics
SD Card Appli Move
Move Exec
Undo Exec
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
Using the Debug Log
Switching ON and Setting UP Save Debug Log
Retrieving the Debug Log from the HDD
Recording Errors Manually
Card Save Function

SC Tables
Service Call Conditions
SC1xx: Scanning
SC 2xx: Exposure
SC3xx: Image Processing – 1
SC4xx: Image Processing – 2
SC5xx: Paper Feed and Fusing
SC6xx: Device Communication
SC7xx: Peripherals
SC8xx: Overall System
SC9xx: Miscellaneous
Process Control Error Conditions
Developer Initialization Result
Process Control Self-Check Result
Line Position Adjustment Result
Troubleshooting Guide
Image Quality
Line Position Adjustment
Image Problems at Regular Intervals
Sub-scan Magnification Error
Trapezoid Image Adjustment
Loud Squeaking Noise from PCDU
Loud Noise from the Paper Tray
Grainy Image
Toner Supply Error
Paper Jam Troubleshooting
No Feed Paper Jam from PFU
Setting for Special Paper 4, 5 and 6 Mode
Jam Detection
Paper Jam Display
Jam Codes and Display Codes
Electrical Component Defects
Blown Fuse Conditions
Scanner Test Mode
SBU Test Mode
IPU Test Mode

Energy Save
Energy Saver Modes
Energy Save Effectiveness
Paper Save
Effectiveness of Duplex/Combine Function

& Parts List Manual 3D Representation

Content for Appendices:
1. Appendix: Specifications
General Specifications
Supported Paper Sizes
Paper Feed
Paper Exit
Platen/ARDF Original Size Detection
Software Accessories
Printer and LAN Fax Drivers
Scanner Driver
Utility Software
Optional Equipment
ARDF (D541)
Paper Feed Unit (D425)
Paper Feed Unit (D331)
Internal Finisher (D429) and Punch Unit (D390)
Shift Tray (D428)
1-bin Tray Unit (D426)
Side Tray (D427)
Envelope Feeder EF3010 (D559)

2. Appendix: Preventive Maintenance Tables
Maintenance Tables
Preventive Maintenance Items
Others Yield Parts

3. Appendix: SP Mode Tables
System SP1-xxx
SP1-XXX (Feed)
System SP2xxx
SP2-XXX (Drum)
System SP3xxx
SP3-XXX (Process)
System SP4xxx
SP4-XXX (Scanner)
System SP5xxx
SP5-XXX (Mode)
System SP6xxx
SP6-XXX (Peripherals)
System SP7-xxx
SP7-XXX (Data Log)
System SP8-xxx
SP8-xxx: Data Log2
Input and Output Check Tables
Input Check Table
Output Check Table
Test Pattern Printing
Printer Service Mode
SP1-XXX (Service Mode)
Scanner SP Mode
SP1-xxx (System and Others)
SP2-XXX (Scanning-image quality)