Service Manual & Parts List Manual RICOH Aficio SP C820DN, Aficio SP C821DN;
This service manual, is the full RICOH Aficio SP C820DN, Aficio SP C821DN Service Repair Manual.
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Ricoh.
You can print, zoom or read any diagram, picture or page from this Service Manual & Parts List. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of RICOH Aficio SP C820DN, Aficio SP C821DN photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Content SERVICE MANUAL:
PRODUCT INFORMATION
1. PRODUCT INFORMATION
1.1 SPECIFICATIONS
1.2 MACHINE CONFIGURATION
1.3 OVERVIEW
1.3.1 COMPONENT LAYOUT
1.3.2 PAPER PATH
1.3.3 DRIVE LAYOUT
1.4 GUIDANCE FOR THOSE WHO ARE FAMILIAR WITH PREDECESSOR PRODUCTS

INSTALLATION
2. INSTALLATION
2.1 INSTALLATION REQUIREMENTS
2.1.1 ENVIRONMENT
2.1.2 MACHINE LEVEL
2.1.3 MACHINE SPACE REQUIREMENTS
2.1.4 POWER REQUIREMENTS
2.2 OPTIONAL UNIT COMBINATIONS
2.2.1 MACHINE OPTIONS
2.2.2 CONTROLLER OPTIONS
2.3 PRINTER INSTALLATION
2.3.1 POWER SOCKET FOR PERIPHERAL
2.3.2 INSTALLATION FLOW CHART
2.3.3 INSTALLATION PROCEDURE
Unpacking
Installing the Toner
Loading Paper
Turning Power On
Selecting the Panel Display Language
Printing the Test Page
Settings Relevant to the Service Contract
Settings for @Remote Service
2.3.4 METER CLICK CHARGE
2.3.5 MOVING THE MACHINE
2.3.6 TRANSPORTING THE MACHINE
2.4 BRIDGE UNIT (D386)
2.4.1 COMPONENT CHECK
2.4.2 INSTALLATION PROCEDURE
2.5 1000-SHEET BOOKLET FINISHER (B793)
2.5.1 ACCESSORY CHECK
2.5.2 INSTALLATION PROCEDURE
2.6 PUNCH UNIT (B807)
2.6.1 COMPONENT CHECK
2.6.2 INSTALLATION PROCEDURE
2.7 3000-SHEET FINISHER (B805)
2.7.1 ACCESSORY CHECK
2.7.2 INSTALLATION PROCEDURE
Support Tray Installation
2.8 PUNCH UNIT (B702)
2.8.1 COMPONENT CHECK
2.8.2 INSTALLATION PROCEDURE
2.9 OUTPUT JOGGER UNIT (B703)
2.9.1 ACCESSORIES
2.9.2 INSTALLATION
2.10 MAIL BIN (G835)
2.10.1 COMPONENT CHECK
2.10.2 INSTALLATION PROCEDURE
2.11 TRAY HEATER (STANDARD TRAY)
2.11.1 INSTALLATION PROCEDURE
2.12 TRAY HEATER (OPTIONAL TRAY)
2.12.1 COMPONENT CHECK
2.12.2 INSTALLATION PROCEDURE
For installing the tray heater in the D351 (Two-tray paper feed unit)
For installing the tray heater in the D352 (LCT)
For installing the tray heater in the D387 (Paper tray unit)
2.13 CONTROLLER OPTIONS
2.13.1 OVERVIEW
I/F Card Slots
SD Card Slots
2.13.2 SD CARD APPLI MOVE
Overview
Outline of SD Card Appli Move
Move Exec
Undo Exec

PREVENTIVE MAINTENANCE
3. PREVENTIVE MAINTENANCE
3.1 MAINTENANCE ITEMS

REPLACEMENT AND ADJUSTMENT
4. REPLACEMENT AND ADJUSTMENT
4.1 BEFOREHAND
4.2 SPECIAL TOOLS
4.3 IMAGE ADJUSTMENT
4.3.1 REGISTRATION
Image Area
Leading Edge
Side to Side
Adjustment Standard
Paper Registration Standard
Adjustment Procedure
4.3.2 ERASE MARGIN ADJUSTMENT
4.3.3 COLOR REGISTRATION
Line Position Adjustment
4.3.4 GAMMA ADJUSTMENT
Summary
Adjustment Procedure
4.4 EXTERIOR COVERS
4.4.1 FRONT DOOR
4.4.2 LEFT COVER
4.4.3 REAR COVER
4.4.4 TOP RIGHT AND REAR COVER
4.4.5 RIGHT REAR COVER
4.4.6 OPERATION PANEL
4.4.7 PAPER EXIT COVER
4.4.8 OUTPUT TRAY
4.4.9 OZONE FILTER
Ozone filter for charge unit
Ozone filter for IH inverter
4.5 LASER OPTICS
4.5.1 CAUTION DECAL LOCATION
4.5.2 LASER OPTICS HOUSING UNIT
Preparing the new laser optics housing unit
Before removing the old laser optics housing unit
Recovery procedure for no replacement preparation of laser optics housing unit
Removing the old laser optics housing unit
Installing a new Laser Optics Housing Unit
After installing the new laser optics housing unit
4.5.3 POLYGON MIRROR MOTOR AND DRIVE BOARD
4.6 IMAGE CREATION
4.6.1 PCU
4.6.2 SECOND DUCT FAN
When reinstalling the second duct fan
4.6.3 THIRD DUCT FAN
When reinstalling the third duct fan
4.6.4 TONER PUMP UNIT
When you install the new toner pump unit
4.6.5 TONER END SENSOR
4.7 IMAGE TRANSFER
4.7.1 IMAGE TRANSFER BELT UNIT
4.7.2 IMAGE TRANSFER BELT CLEANING UNIT
4.7.3 IMAGE TRANSFER BELT
When reinstalling the image transfer belt
4.8 PAPER TRANSFER
4.8.1 PAPER TRANSFER ROLLER UNIT
4.8.2 PAPER TRANSFER UNIT
4.8.3 HIGH VOLTAGE SUPPLY BOARD - DISCHARGE PLATE
4.8.4 ID SENSOR BOARD
Cleaning for ID sensors
After installing a new ID sensor unit/board
4.8.5 TEMPERATURE AND HUMIDITY SENSOR
4.9 DRIVE UNIT
4.9.1 GEAR UNIT
When installing the drive unit
Adjustment after replacing the gear unit
4.9.2 REGISTRATION MOTOR
4.9.3 PAPER FEED MOTOR
4.9.4 DRUM/DEVELOPMENT MOTORS FOR M, C, AND Y
4.9.5 DRUM/DEVELOPMENT MOTOR-K
4.9.6 ITB DRIVE MOTOR
4.9.7 FUSING/PAPER EXIT MOTOR
4.9.8 IMAGE TRANSFER BELT CONTACT MOTOR
4.9.9 DUPLEX INVERTER MOTOR
4.9.10 PRESSURE ROLLER CONTACT MOTOR
4.9.11 DUPLEX/BY-PASS MOTOR
4.9.12 PAPER TRANSFER CONTACT MOTOR
4.9.13 TONER TRANSPORT MOTOR
4.9.14 TONER COLLECTION UNIT
4.9.15 PAPER FEED CLUTCHES
4.9.16 DEVELOPMENT CLUTCH-Y
4.9.17 DEVELOPMENT CLUTCHES FOR M AND C
4.9.18 DEVELOPMENT CLUTCH-K
4.10 FUSING
4.10.1 FUSING UNIT
4.10.2 HEATING ROLLER AND HEATING ROLLER BEARING
When re-installing the heating roller
4.10.3 FUSING CLEANING FELT
When attaching a new fusing cleaning felt
4.10.4 FUSING LAMP
4.10.5 FUSING DRIVE GEAR
4.10.6 PRESSURE ROLLER AND PRESSURE ROLLER BEARING
When re-installing the pressure roller
4.10.7 HEATING ROLLER THERMISTOR
4.10.8 PRESSURE ROLLER THERMOSTAT
4.10.9 PRESSURE ROLLER THERMISTOR
4.10.10 BEARING GEAR AND IDLE GEAR
4.10.11 FUSING FAN
When installing the fusing fan
4.10.12 PAPER EXIT FAN
When installing the paper exit fan
4.10.13 IH (INDUCTION HEATING) INVERTER FAN
When installing the IH inverter fan
4.10.14 THERMOPILE
When cleaning the lens of the thermopile
4.10.15 PRESSURE ROLLER HP SENSOR
4.10.16 IH COIL FAN
4.10.17 IH COIL UNIT
4.11 PAPER FEED
4.11.1 PAPER FEED UNIT
4.11.2 PICK-UP, FEED AND SEPARATION ROLLERS
Tray 1 and Tray 2
4.11.3 TRAY LIFT MOTOR
4.11.4 VERTICAL TRANSPORT, PAPER OVERFLOW, PAPER END
AND PAPER FEED SENSORS
4.11.5 REGISTRATION SENSOR
4.11.6 BY-PASS PAPER SIZE SENSOR AND BY-PASS PAPER
LENGTH SENSOR
When reinstalling this switch
4.11.7 BY-PASS BOTTOM TRAY
4.11.8 BY-PASS PAPER END SENSOR
4.11.9 BY-PASS PICK-UP, FEED AND SEPARATION ROLLER,
TORQUE LIMITER
4.11.10 BY-PASS FEED CLUTCH
4.11.11 PAPER EXIT UNIT
4.11.12 FUSING EXIT, PAPER OVERFLOW, JUNCTION PAPER JAM
AND PAPER EXIT SENSORS
4.12 DUPLEX UNIT
4.12.1 DUPLEX UNIT
4.12.2 DUPLEX DOOR SENSOR
4.12.3 DUPLEX ENTRANCE SENSOR
4.12.4 DUPLEX EXIT SENSOR
4.13 ELECTRICAL COMPONENTS
4.13.1 CONTROLLER UNIT
4.13.2 CONTROLLER BOX RIGHT COVER
4.13.3 CONTROLLER BOX
When opening the controller box
When removing the controller box
4.13.4 IOB (IN/OUT BOARD)
4.13.5 BCU
When installing the new BCU
4.13.6 PSU
PSU bracket
PSU board
4.13.7 ITB POWER SUPPLY BOARD
4.13.8 HIGH VOLTAGE SUPPLY BOARD
4.13.9 HIGH VOLTAGE SUPPLY BOARD BRACKET
4.13.10 IH INVERTER
4.13.11 CONTROLLER BOARD
G188/G189 vi SM
When installing the new controller board
4.13.12 HDD FAN
When installing the HDD fan
4.13.13 HDD
Disposal of HDD Units
Reinstallation
4.13.14 NVRAM REPLACEMENT PROCEDURE
NVRAM on the BCU
NVRAM on the Controller
4.14 USING DIP SWITCHES
4.14.1 CONTROLLER BOARD
4.14.2 BCU BOARD

SYSTEM MAINTENANCE REFERENCE
5. SYSTEM MAINTENANCE REFERENCE
5.1 SERVICE PROGRAM MODE
5.1.1 SP TABLES
5.1.2 SERVICE MODE OPERATION
Accessing the Required Program
Inputting a Value or Setting for a Service Program
Exiting Service Mode
5.1.3 REMARKS
Display on the Control Panel Screen
Others
5.1.4 BIT SWITCH PROGRAMMING
5.2 FIRMWARE UPDATE
5.2.1 BEFORE YOU BEGIN
5.2.2 UPDATING FIRMWARE
File Arrangement
Update Procedure
Error Handling
Power Failure
5.2.3 HANDLING FIRMWARE UPDATE ERRORS
Error Message Table
5.3 CONTROLLER SELF-DIAGNOSTICS
5.3.1 OVERVIEW
5.4 NVRAM DATA UPLOAD/DOWNLOAD
5.4.1 UPLOADING NVRAM DATA
5.4.2 DOWNLOADING NVRAM DATA
5.5 USING THE DEBUG LOG
5.5.1 SWITCHING ON AND SETTING UP SAVE DEBUG LOG
5.5.2 RETRIEVING THE DEBUG LOG FROM THE HDD
5.5.3 DEBUG LOG CODES
SP5857-015 Copy SD Card-to-SD Card: Any Desired Key
SP5857-016 Create a File on HDD to Store a Log
SP5857-017 Create a File on SD Card to Store a Log

TROUBLESHOOTING
6. TROUBLESHOOTING
6.1 SERVICE CALL CONDITIONS
6.2 PROCESS CONTROL ERROR CONDITIONS
6.3 TROUBLESHOOTING GUIDE
6.3.1 IMAGE PROBLEMS
Stain on the outputs
6.4 JAM DETECTION
6.5 ELECTRICAL COMPONENT DEFECTS

G188/G189 APPENDICES
SEE APPENDIX SECTION FOR DETAILED TABLE OF CONTENTS

B793 BOOKLET FINISHER SR3000
SEE SECTION B793 FOR DETAILED TABLE OF CONTENTS

B804/B805 BOOKLET FINISHER SR3020/SR3030
SEE SECTION B804/B805 FOR DETAILED TABLE OF CONTENTS

D351 PAPER FEED UNIT PB3040
SEE SECTION D351 FOR DETAILED TABLE OF CONTENTS

D352 LCIT PB3050
SEE SECTION D352 FOR DETAILED TABLE OF CONTENTS

D386 BRIDGE UNIT BU3030
SEE SECTION D386 FOR DETAILED TABLE OF CONTENTS

D387 PAPER FEED UNIT PB3080
SEE SECTION D387 FOR DETAILED TABLE OF CONTENTS

G835 MAIL BIN TYPE C820
SEE SECTION G835 FOR DETAILED TABLE OF CONTENTS

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& PARTS LIST CATALOG: 117 Pages, 3 D Representation
& Point to Point Diagram: 20 Pages

Total number of pages: 1107.