Service Manual Ricoh Aficio SPC320DN;
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1. PRODUCT INFORMATION
1.1 SPECIFICATIONS
1.2 MACHINE OVERVIEW
1.2.1 COMPONENT LAYOUT
1.2.2 PAPER PATH
1.2.3 DRIVE LAYOUT
1.3 MACHINE CONFIGURATION
1.3.1 MAINFRAME (M075) AND OPTION
1.3.2 CONTROLLER OPTIONS
1.4 GUIDANCE FOR THOSE WHO ARE FAMILIAR WITH PREDECESSOR PRODUCTS

2. INSTALLATION
2.1 INSTALLATION REQUIREMENTS
2.1.1 ENVIRONMENT
2.1.2 MACHINE LEVEL
2.1.3 MACHINE SPACE REQUIREMENT
2.1.4 POWER REQUIREMENTS
2.1.5 INSTALLATION PROCEDURE

3. PREVENTIVE MAINTENANCE
3.1 PREVENTIVE MAINTENANCE

4. REPLACEMENT AND ADJUSTMENT
4.1 BEFORE YOU START
4.2 SPECIAL TOOL
4.3 EXTERIOR COVERS
4.3.1 REAR COVER
4.3.2 OPERATION PANEL
4.3.3 RIGHT COVER
4.3.4 LEFT COVER
4.3.5 FRONT COVER UNIT
4.4 LASER OPTICS
4.4.1 CAUTION DECAL LOCATION
4.4.2 LD SAFETY SWITCH
4.4.3 LASER OPTICS HOUSING UNIT
After replacing the laser optics housing unit
4.5 AIO CARTRIDGE
4.5.1 AIO CARTRIDGE (ALL IN ONE CARTRIDGE)
4.5.2 BLACK AIO MOTOR
4.5.3 COLOR AIO MOTOR
4.6 IMAGE TRANSFER
4.6.1 IMAGE TRANSFER BELT UNIT
After installing a new image transfer belt unit
4.6.2 AGITATOR MOTOR
4.6.3 ITB (IMAGE TRANSFER BELT) CONTACT MOTOR
4.6.4 ITB (IMAGE TRANSFER BELT) CONTACT SENSOR
4.6.5 TM (TONER MARK) SENSOR BASE
4.6.6 WASTE TONER BOTTLE SET SENSOR
4.6.7 WASTE TONER OVERFLOW SENSOR
4.6.8 AIR INTAKE FAN
4.7 PAPER TRANSFER
4.7.1 TRANSFER UNIT
After installing a new transfer unit or transfer roller
4.7.2 TRANSFER ROLLER
After installing a new transfer roller
4.7.3 REGISTRATION ROLLER
Reassembling the registration roller unit
4.7.4 REGISTRATION SENSOR
4.7.5 REGISTRATION CLUTCH
4.7.6 BY-PASS AND DUPLEX CLUTCH
4.7.7 DUPLEX SENSOR
4.8 IMAGE FUSING
4.8.1 FUSING UNIT
After installing a new fusing unit
4.8.2 FUSING LAMP
4.8.3 THERMOSTAT
4.8.4 THERMISTORS
When installing the thermistors: center and end
4.8.5 TRANSPORT/FUSING MOTOR
4.9 PAPER FEED AND EXIT
4.9.1 PAPER FEED CLUTCH
4.9.2 PAPER FEED ROLLER
4.9.3 SEPARATION PAD
4.9.4 BY-PASS SEPARATION PAD
4.9.5 BY-PASS PICK-UP AND FEED ROLLERS
By-pass Pick-up Roller
By-pass Feed Roller
When installing the by-pass pick-up and feed rollers
4.9.6 PAPER END SENSOR
4.9.7 BY-PASS PAPER END SENSOR
4.9.8 PAPER EXIT SENSOR
4.10 ELECTRICAL COMPONENTS
4.10.1 ECO NIGHT SENSOR
4.10.2 OPERATION PANEL BOARD UNIT
4.10.3 CONTROLLER BOARD
When installing the new Controller Board
4.10.4 EGB (ENGINE BOARD)
When installing the new EGB
4.10.5 INTERLOCK SWITCHES
4.10.6 FUSING FAN MOTOR
4.10.7 LSU FAN MOTOR
4.10.8 ID CHIP BOARD
4.10.9 PSU
Fuse
4.10.10 HIGH VOLTAGE POWER SUPPLY BOARD
4.10.11 TEMPERATURE/HUMIDITY SENSOR
4.10.12 TRAY SET SENSOR
4.10.13 NVRAM
NVRAM on the Controller
NVRAM on the EGB (Engine Board)

5. SYSTEM MAINTENANCE REFERENCE
5.1 SERVICE PROGRAM
5.2 MAIN SP TABLES: 1
5.2.1 SERVICE MODE
SP1-XXX (Service Mode)
5.2.2 ENGINE SP
SP1-XXX (Feed)
SP2-XXX (Drum)
SP3-XXX (Process)
SP5-XXX (Mode)
5.3 MAIN SP TABLES: 2
5.3.1 ENGINE SP
SP7-XXX (Data Log)
Input Check Table
Output Check Table
5.4 CONFIGURATION PAGE INFORMATION
5.4.1 OVERVIEW
To Print the Configuration Page from the Machine
5.5 FIRMWARE UPDATE
5.5.1 TYPE OF FIRMWARE
5.5.2 BEFORE YOU BEGIN
5.5.3 UPDATING FIRMWARE
File Arrangement
Update Procedure
Error Handling
Power Failure
5.5.4 NVRAM DATA UPLOAD/DOWNLOAD
Uploading NVRAM Data
Downloading NVRAM Data
5.5.5 HANDLING FIRMWARE UPDATE ERRORS
Error Message Table
5.6 SD CARD APPLI MOVE
5.6.1 OVERVIEW
5.6.2 MOVE EXEC
5.6.3 UNDO EXEC
5.7 CARD SAVE FUNCTION
5.7.1 OVERVIEW
Card Save:
5.7.2 PROCEDURE
5.7.3 ERROR MESSAGES

6. TROUBLESHOOTING
6.1 ERROR MESSAGES
6.1.1 OVERVIEW
6.1.2 ERROR MESSAGES LIST
6.2 SC CONDITIONS
6.2.1 SUMMARY
6.2.2 ENGINE SC
SC 2xx (Laser Optics Error)
SC 3xx (Charge Error)
SC 4xx (Image Transfer and Transfer Error)
SC 5xx (Motor and Fusing Error)
SC 6xx (Communication and Other Error)
6.2.3 CONTROLLER SC
SC6xx
SC8xx
SC9xx
6.3 IMAGE PROBLEMS
6.3.1 OVERVIEW
6.3.2 CHECKING A SAMPLE PRINTOUT
Printer Driver Setting for Printing a Sample

7. ENERGY SAVING
7.1 ENERGY SAVE
7.1.1 ENERGY SAVER MODES
Timer Settings
Eco Night Mode
Return to Stand-by Mode
Recommendation
Energy Save Effectiveness
7.2 PAPER SAVE
7.2.1 EFFECTIVENESS OF DUPLEX/COMBINE FUNCTION
1. Duplex:
2. Combine mode:
3. Duplex + Combine:
Recommendation
Duplex Mode Tables

M075 SERVICE MANUAL APPENDICES
SEE M075 SERVICE MANUAL APPENDICES SECTION FOR DETAILED TABLE OF CONTENTS
PAPER FEED UNIT TK1010 (G849)
SEE SECTION G849 FOR DETAILED TABLE OF CONTENTS

Number of pages: 442.