Ricoh Pro 8100EX, 8110S, 8120S (Product code: D179-D180-D181) Service Manual
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1) PRODUCT INFORMATION
1.1 PRODUCT OVERVIEW
1.1.1 LAYOUT
1.1.2 PAPER PATHS
1.1.3 DRIVE LAYOUT
Front
Rear
1.2 MAIN MACHINE AND PERIPHERALS
1.2.1 MAIN MACHINE
Key
Main Machine
1.2.2 OPTIONS
Peripheral Devices
Controller Options
Consumables
1.2.3 PERIPHERAL CONFIGURATION RULES
1.2.4 EXAMPLE CONFIGURATIONS
Example 1
Example 2
Example 3
Example 4
Example 5
1.3 SPECIFICATIONS
1.4 GUIDANCE FOR THOSE FAMILIAR WITH PREDECESSOR PRODUCTS
1-17
1.4.1 SPECIFICATION HIGHLIGHTS
Print Area, Warm-up Time
ADF
Laser Unit
1.4.2 COMPARISON WITH PREVIOUS MACHINES
Power Switch
ITB Centering Control
PTB Unit
Cooling Belt
Main, LCT Relay Rollers
Skew and Paper Registration
Paper Bank Heaters
Common Cleaning Mechanisms
Drum Charge
ITB Separation
Drawer
Paper Feed Units
Fusing Unit
Process Control
1.4.3 PERIPHERALS
LCT Units
Multi Fold Unit
Booklet Finishers

2) INSTALLATION
2.1 INSTALLATION REQUIREMENTS
2.1.1 OPERATING ENVIRONMENT
2.1.2 POWER REQUIREMENTS
Input voltage level
Breaker Switch
2.1.3 MACHINE LEVEL
2.1.4 SPACE REQUIREMENTS
Space Around the Main Machine
2.1.5 SYSTEM DIMENSIONS
Top and Side Views
Perfect Binder and Ring Binder
2.1.6 MAIN POWER AND OPERATION POWER SWITCH
Main Power Switch
Operation Switch
2.2 MAIN MACHINE
2.2.1 ACCESSORIES
2.2.2 INSTALLATION FLOW
2.2.3 RATING VOLTAGES FOR CONNECTION POINTS
Right Side
Left Side
Left Rear
2.2.4 REMOVE TAPES, SHIPPING MATERIALS
2.2.5 INSTALL OPERATION PANEL
Standard Installation
Easy Access Installation
2.2.6 STATUS LIGHT
2.2.7 POWER CORD, CABLE CLAMP
2.2.8 FUSING ROLLER KNOB HOLDER, ITB LEVER, CLEANING CLOTH
2-26
2.2.9 NAME PLATE, DECALS
2.2.10 CLEAN EXPOSURE GLASS
2.2.11 LEVEL THE MAIN MACHINE
2.2.12 VENT COVER
2.2.13 BREAKER SWITCH TEST
2.2.14 TURNING THE MACHINE ON/OFF
Turning the Machine On
Turning the Machine Off
2.2.15 INSTALL TONER BOTTLES
Bottle Installation and Initialization
Problem During Bottle Installation?
2.2.16 PAPER LIBRARY DATA INSTALLATION
2.2.17 PAPER TRAYS
Loading the Paper Trays
Paper Tray Settings
2.2.18 SMC REPORT
2.2.19 TEST PRINT
2.2.20 CHECK AND ADJUST IMAGE AREAS AFTER INSTALLATION OR
MOVING 2-38
Front/Back Alignment (Magnification Adjustment)
Main Scan/Sub Scan Registration Adjustment
2.2.21 CONNECT ETHERNET CABLE
2.2.22 MOVING AND TRANSPORTING THE MACHINE
Preparing the Machine
If Peripheral Devices Are Installed
2.2.23 HEATER OPTIONS
Paper Bank Heater
Scanner Unit Heater
2.2.24 TCRU SET B
2.3.1 ACCESSORIES
2.3.2 INSTALLATION
Entrance Guide Plate
SP Settings
Connecting Peripheral Units
Adjustments
SP Mode Adjustments
Tray Heaters
2.4 MULTI BYPASS TRAY BY5010
2.4.1 ACCESSORIES
2.4.2 INSTALLATION
Before You Begin
Unpacking
Prepare the Unit
LCIT RT5070
LCIT RT5080
End Fence, Tab Sheet Fence
Attaching the Tray Number Decals
2.5 LCIT RT5070
2.5.1 ACCESSORIES
2.5.2 INSTALLATION
Tapes, Retainers
Ground Plate
Docking to Main Machine
Height Adjustment
2.5.3 TRAY HEATERS
Accessories
Installation
2.5.4 MOVING THE LCT
2.6 LCIT RT5080
2.6.1 ACCESSORIES
2.6.2 INSTALLATION
Tapes, Retainers
Ground Plate
Docking to Main Machine
Height Adjustment
2.6.3 TRAY HEATERS
Accessories
Installation
2.6.4 MOVING THE LCT
2.7 COVER INTERPOSER TRAY CI5030
2.7.1 ACCESSORIES
2.7.2 INSTALLATION
Tapes
2.8 FINISHERS SR5050/SR5060
2.8.1 ACCESSORIES
2.8.2 INSTALLATION
Tapes, Retainers, Shipping Plates
Ground Plate
Sponge Strips
Paper Guide
Shift Tray
Booklet Tray
Docking
Auxiliary Tray
Finishing the Installation
2.8.3 PUNCH UNIT PU5020 NA, EU, SC
Accessories
2.8.4 INSTALLATION
2.8.5 MOVING THE FINISHER
2.9 MULTI-FOLDING UNIT FD5020
2.9.1 ACCESSORIES
2.9.2 INSTALLATION
Tapes
Paper Guide, Sponge Strips
Ground Plate
Docking
Removing Parts for the Cover Interposer Tray
Power Cord
Finishing the Installation
Auxiliary Tray, Fold Depressor
2.9.3 MOVING THE MULTI-FOLDING UNIT
2.10 COVER INTERPOSER TRAY FOR PERFECT BINDER TYPE S1
2.10.1 INSERTER ACCESSORIES
2.10.2 INSERTER INSTALLATION
Mounting the Inserter
Adjusting the position of the hinge plate
Connecting the Inserter
Inserter Gap Measurement
Inserter Gap Adjustment
Inserter Limiter Brace
2.11 PERFECT BINDER GB5010
2.11.1 BOOKBINDER ACCESSORIES
2.11.2 BOOKBINDER INSTALLATION
Before You Begin
Unloading the Bookbinder
Bookbinder Exterior Tape, Braces
Bookbinder Interior Tape, Braces
Main Grip, Cover Transport Tape, Braces, etc
Trimming Unit Tape
Book Stacking Tray Tape
Confirming Removal, and Storing Braces, Cushions, Screws
Check List
2.11.3 DOCKING THE BOOKBINDER
2.11.4 FILLING BOOKBINDER GLUE SUPPLY UNIT
Handling and Storing the Glue Pellet Supply
2.11.5 TESTING THE BREAKER SWITCH
2.11.6 FINAL CHECK
2.11.7 SETTING THE BOOKBINDER FOR MOVING
Same Floor
Gluing Unit
Sub Grip Unit
Another Floor (by Elevator)
Left Side (Paper Exit)
Right Side (Paper Entrance)
2.11.8 SHIPPING THE BOOKBINDER
2.12 TRANSIT PASS UNIT FOR PERFECT BINDER TYPE S1
2.12.1 RELAY UNIT ACCESSORIES
2.12.2 RELAY UNIT INSTALLATION
Testing the Breaker Switch
2.13 RING BINDER RB5020
2.13.1 OPERATING ENVIRONMENT
2.13.2 MACHINE LEVEL
2.13.3 MINIMUM SPACE REQUIREMENTS
2.13.4 POWER SUPPLY
2.13.5 ACCESSORIES
2.13.6 BEFORE YOU BEGIN
2.13.7 INSTALLATION PROCEDURE
Remove All Shipping Materials
Prepare the Unit for Docking
Prepare the Main Machine for Docking
Dock the Unit to the Main Machine
Install the Shoes and Level the Unit
Attach Ring Supply Level Indicator
Test the Breaker Switch
2.13.8 CENTERING PAPER IN THE PAPER PATH
Checking and Correcting Side-to-Side Registration
Checking and Correcting Skew
2.13.9 AFTER INSTALLATION
2.14 TRIMMER UNIT TR5040
2.14.1 ACCESSORIES
2.14.2 INSTALLATION
Tapes, Stopper Plate
Output Tray
Ground Plate
Preparing the Booklet Finisher for Docking
Docking
2.15 COPY CONNECTER TYPE 3260
2.15.1 ACCESSORY CHECK
2.15.2 INSTALLATION
2.16 CONTROLLER OPTIONS
2.16.1 PRINTER/SCANNER UNIT TYPE S1 (NA BASIC MODEL ONLY)
2-246
Accessories
Installation Procedure
Configuring the Function Keys
2.16.2 IEEE 1284 INTERFACE BOARD TYPE A
Accessories
Installation
2.16.3 IEEE 802.11A/G/N INTERFACE UNIT TYPE M3
Accessories
Before You Begin
Installation
User Tool Settings
SP Mode, User Tool Settings
2.16.4 BLUETOOTH INTERFACE UNIT TYPE D
Accessories
Installation
2.16.5 POSTSCRIPT3 UNIT TYPE S1
Accessories
Installation
2.16.6 IPDS UNIT TYPE S1
Accessories
Installation
2.16.7 FILE FORMAT CONVERTER TYPE E
Accessories
Installation
2.16.8 COPY DATA SECURITY UNIT TYPE G
Accessories
Installation
User Tool Setting
Check All Connections
2.16.9 BROWSER UNIT TYPE S1
Accessories
Installation
Ricoh JavaScript
Browser/EXJS Firmware Update
Uninstalling EXJS Firmware
2.16.10 DATA OVERWRITE SECURITY UNIT TYPE H
Accessories
Before You Begin
Installation
2.16.11 SD CARD FOR NETWARE PRINTING TYPE S1
Accessories
Installation
2.16.12 OCR UNIT TYPE M2
What is Searchable PDF?
Accessories
Installation
Restoration
When the original SD card exists
If Original SD Card is Lost
2.16.13 SD CARD APPLI MOVE
Overview
Move Exec
Undo Exec
2.17 KEY COUNTER, OPTIONAL COUNTER I/F UNIT
2.17.1 KEY COUNTER BRACKET TYPE 1027
Installation
2.17.2 OPTIONAL COUNTER I/F UNIT TYPE A
Accessories
Installation
2.18 COMMON ADJUSTMENTS
2.18.1 HEIGHT AND LEVEL ADJUSTMENT
Before you begin:
Setting the Leveling Shoes
2.18.2 SKEW AND SIDE-TO-SIDE REGISTRATION
Overview
Checking Side-to-Side Registration
Correcting Side-to-Side Registration
Detecting Paper Skew
Correcting Skew

3) PREVENTIVE MAINTENANCE
3.1 PREVENTIVE MAINTENANCE TABLES
3.2 IMAGE QUALITY STANDARDS
3.2.1 CHECKING IMAGE QUALITY
Resolution
Even Density
Magnification Errors
Magnification Error Variation
3.3 PAPER TRANSFER
3.3.1 PAPER TRANSFER QUALITY STANDARDS
Registration
Skew
LCIT RT5070/RT5080
Cover Interposer Tray CI5030
3.4 PM PARTS SETTINGS
3.4.1 BEFORE REMOVING OLD PM PARTS
3.4.2 AFTER INSTALLING NEW PM PARTS
3.5 CLEANING POINTS
3.5.1 INSPECTION AND CLEANING
3.5.2 ADF CLEANING
3.5.3 SCANNER UNIT
3.5.4 BEFORE YOU BEGIN
3.5.5 PFU ROLLERS
3.5.6 VERTICAL TRANSPORT UNIT (VTU) ROLLERS, SENSORS
3.5.7 DRAWER: RIGHT SIDE
Entrance Rollers
LCIT Relay Sensor
Double-Feed Sensors
Registration Timing Sensor
Registration Timing Roller
Dust Collection Tray
CIS
Transfer Timing Sensor
3.5.8 DRAWER: CENTER
Paper Transfer Roller
Transfer Timing Roller: Upper
Transfer Timing Roller: Lower
PTB Sensor
3.5.9 FUSING UNIT
Entrance Plates
Fusing Exit Sensor
Pressure Roller Strippers
Fusing Belt, Pressure Roller
Cooling Pipe Roller
3.5.10 DRAWER LEFT: EXIT
Exit Cooling Belt
Exit JG Sensor
Exit Sensor
Exit Relay Rollers
Exit Idle Rollers, Exit Relay Idle Rollers
Exit Roller
Exit Anti-Static Brush
3.5.11 DRAWER LEFT: INVERT UNIT
Invert Rollers
Inverter Anti-Static Brush
Purged Paper Sensor
3.5.12 DRAWER: FRONT COVERS OFF
LCIT, Registration Roller, Main Relay HP Sensors
Exit JG, Invert Exit HP Sensors
3.5.13 TRANSPORT ROLLERS, SENSORS
3.6 LUBRICATION POINTS
3.6.1 FUSING UNIT
Drive Gears
Heating Roller, Hot Roller Bearings
PTR Unit

4) REPLACEMENT AND ADJUSTMENT
4.1 GENERAL CAUTIONS
4.1.1 POWER ON/OFF
4.1.2 DRUM
4.1.3 DRUM UNIT
4.1.4 TRANSFER BELT UNIT
4.1.5 SCANNER UNIT
4.1.6 LASER UNIT
4.1.7 CHARGE CORONA
4.1.8 DEVELOPMENT
4.1.9 CLEANING
4.1.10 FUSING UNIT
4.1.11 PAPER FEED
4.1.12 USED TONER
4.2 CAUTIONS FOR THIS MACHINE
4.2.1 GENERAL
4.2.2 REAR CONTROLLER BOX
4.2.3 DRUM
4.2.4 PCDU
4.2.5 ITB UNIT
4.2.6 SCANNER UNIT
4.2.7 DEVELOPMENT
4.2.8 CLEANING
4.2.9 FUSING UNIT
4.2.10 PAPER FEED
4.2.11 USED TONER
4.2.12 PAPER TIPS
General
Moisture Prevention
Thin Paper
Translucent Paper, Tracing Paper
Transparencies (OHP)
Postcards
Tab Sheets
Inkjet and Gel Jet Paper
Coated Paper
Peel-off Paper
Color Paper, Pre-printed Forms
4.2.13 SAFETY LABELS FOR THIS MACHINE AND PERIPHERALS 4-12
Main Machine
LCIT RT5080
Multi Bypass Tray BY5010
Finisher SR5050
Booklet Finisher SR5060
Multi-Folding Unit FD5020
Trimmer Unit TR5040
Ring Binder RB5020
Perfect Binder GB5010
4.3 SPECIAL TOOLS AND LUBRICANTS
4.3.1 SPECIAL TOOLS
4.3.2 LUBRICANTS
4.4 COMMON PROCEDURES
4.4.1 BEFORE YOU BEGIN
4.4.2 TURNING THE MACHINE ON/OFF
Turning the Machine On
Turning the Machine Off
4.4.3 EXTERNAL COVERS, DOORS
Front Edge Cover
Right Cover
Left Cover
Rear Cover
Doors
4.4.4 DRAWER
Drawer Right Cover
4.4.5 CONTROLLER BOX, CONTROLLER BOX COVER
Opening the Controller Box
Removing the Controller Box Cover, Inner Cover
4.4.6 LOWER IOB BRACKET
4.4.7 CONTROLLER BOX REMOVAL
4.4.8 CANOPY COVER REMOVAL
4.5 OPERATION PANEL
4.5.1 TOUCH PANEL
4.5.2 OPU, LCDC, SD/USB
OPU: TP
LCDC (LCD Controller)
OPU: IO
SD Card/USB
4.5.3 OPERATION PANEL LED PCB, KEY PCBS
LED PCB
Key PCB 1
Key PCB 2
4.5.4 TOUCH PANEL POSITION ADJUSTMENT
4.6 ADF
4.6.1 ADF REMOVAL
Removal
4.6.2 AFTER ADF REPLACEMENT
CIS RGB Adjustment
Checking for Skew
Platen Adjustment
4.6.3 ADF COVERS
ADF Rear Cover
ADF Front Cover
Feed Cover
Original Feed Unit
4.6.4 PICKUP ROLLER, FEED BELT
Pickup Roller
Feed Belt
4.6.5 ADF SEPARATION ROLLER
4.6.6 ADF SENSORS
Original Registration Sensor
Original Width Sensors
Original Exit Sensor
4.6.7 BOARDS
ADF Control Board
Double-feed Sensor Board
4.6.8 SENSORS, SWITCHES
Separation Sensor, Skew Correction Sensor, Double-Feed Sensor 2 4-17
Double-feed Sensor 1, Interval Sensor, Original Width Sensors
APS Feeler
ADF Lift Interlock SW
Lift-up Sensor
Original Set Sensor
A4/LT SEF Sensor
Bottom Plate HP Sensor
Bottom Plate Position Sensor
ADF Feed Cover Interlock SW
Pickup Roller HP Sensor
4.6.9 MOTORS
Before You Begin
ADF Entrance Motor
ADF Scan Motor
ADF Relay Motor
ADF Bottom Plate Lift Motor
ADF Feed Motor
ADF Transport Motor
ADF Pick-up Roller Motor
4.6.10 CIS UNIT
CIS Removal
4.6.11 ADF CLEANING
4.7 SCANNER UNIT
4.7.1 EXPOSURE GLASS
4.7.2 SCANNING GLASS
4.7.3 ORIGINAL SIZE SENSOR, IDB
4.7.4 LENS BLOCK
Sub Scan Magnification Adjustment
Sub Scan Registration Adjustment
Main Scan Registration Adjustment
4.7.5 EXPOSURE LAMP
Exposure Lamp Removal
Exposure Lamp Re-installation
4.7.6 SCANNER MOTOR
4.7.7 SIOB
4.7.8 SCANNER UNIT
4.7.9 DOOR SWITCHES
4.7.10 ADF POSITION SENSOR
4.7.11 EXPOSURE LAMP HP SENSOR
4.7.12 SCANNER WIRE
Preparation
Wire Replacement
Preparation for Re-assembly
Re-assembly
4.7.13 SCANNER UNIT CLEANING
4.8 LASER UNIT
4.8.1 BEFORE YOU BEGIN
4.8.2 CAUTION DECALS
Top of Laser Unit
PCDU Cover
Flywheel
4.8.3 LASER UNIT
Laser Unit Re-installation
After Laser Unit Replacement
4.8.4 TONER SHIELD GLASS
4.9 TONER SUPPLY
4.9.1 TONER SUPPLY UNIT
Before You Begin
Canopy Cover Removal
Remove Toner Bank Cover
Remove Toner Bottle Cradles
Sub Hopper
Toner Supply Unit Re-installation
4.9.2 TONER SUPPLY MOTORS
Toner Feed Motor
Toner Agitator Motor
4.9.3 TONER BANK
Toner Bottle Motor
Toner Bottle Cap Motor
4.9.4 TONER SUPPLY SENSORS
Toner Bottle Cap Sensor
Toner Bottle Set Sensor
4.10 AROUND THE DRUM
4.10.1 PCDU DISASSEMBLY FOR REPLACEMENT
PCDU Removal
Drum Cleaning Unit
Drum
Development Unit
Drum Cleaning Unit, Drum, PCDU Re-installation
4.10.2 DRUM REPLACEMENT
Drum Removal
Installing a New Drum
After Drum Replacement
4.10.3 DRUM CLEANING UNIT
Drum Cleaning Unit Gears
Drum Cleaning Blade
Drum Lubricant Blade
Drum Lubricant Bar
Drum Lubricant Roller
After Replacement
Drum Cleaning Unit Service Parts Lubrication Summary
4.10.4 DRUM MOTORS
Drum Motor
Drum Cleaning Motor
Development Motor
Cleaning Pad Motor
4.10.5 QL, SENSORS
Quenching Lamp
PCDU Temperature/Humidity Sensor
Potential Sensor
Cleaning Pad HP Sensor
4.10.6 CHARGE CORONA WIRES, GRID, CUSHIONS, WIRE CLEANER
4-149
After Charge Corona Unit Replacement
4.10.7 DEVELOPMENT UNIT REPLACEMENT
Draining Developer
Filling the New Unit with Developer
4.10.8 DEVELOPER REPLACEMENT
Draining Developer
Adding New Developer
4.10.9 CLEANING DOCTOR BLADE, DEVELOPMENT ROLLER
CLEANING
4.10.10 VENT FILTER
4.11 ITB UNIT
4.11.1 ITB UNIT REMOVAL
ITB Cleaning Unit
ITB Unit
ITB Cleaning Unit, ITB Unit Re-installation
4.11.2 BELT REPLACEMENT
Belt Removal
Belt Re-installation
After Replacement of ITB
4.11.3 PTR SEPARATION MOTOR
4.11.4 BELT CENTERING MOTOR
4.11.5 TDRB
4.11.6 TRANSFER POWER PACK
4.11.7 TRANSFER ROLLER
After Transfer Roller Replacement
4.11.8 BIAS ROLLER
4.11.9 BELT CENTERING ROLLER HP SENSOR
4.11.10 CLEANING UNIT SET SWITCH
4.11.11 PTR SEPARATION SENSOR
4.11.12 ID SENSOR
4.11.13 BELT CENTERING SENSOR
4.11.14 ID SENSOR FAN
4.11.15 TRANSPORT BELT MOTOR
4.11.16 ITB UNIT THERMOSTAT
4.11.17 ITB HEATER
4.12 ITB CLEANING UNIT
4.12.1 ITB CLEANING UNIT DISASSEMBLY
Before You Begin
Cleaning Blade
Lubricant Roller
Lubricant Bar
Lubricant Blade
Notes about Lubrication
Cleaning Roller
ITB Cleaning Unit Re-installation
4.12.2 ITB/PTR CLEANING MOTOR
4.13 PAPER TRAYS 1, 2, 3
4.13.1 PAPER TRAY REMOVAL
Remove Paper Tray 1
Remove Paper Tray 2, Tray 3
4.13.2 TRAY 1 SENSORS, SOLENOIDS, WIRE
Rear Fence Return Sensor (Left Tandem Tray)
Rear Fence HP Sensor (Left Tandem Tray)
Right Tray Paper Sensor (Right Tandem Tray)
Right Tray Lock Solenoid
Left Tray Lock Solenoid
Bottom Plate Lift Wire
4.13.3 TRAY 1 MOTORS
Before You Begin
Tray 1 Grip Motor
Tray 1 Feed Motor
Tray 1 Lift Motor
4.13.4 TRAY 2 MOTORS
Before You Begin
Tray 2 Grip Motor
Tray 2 Feed Motor
Tray 2 Lift Motor
4.13.5 TRAY 3 MOTORS
Before You Begin
Tray 3 Grip Motor
Tray 3 Feed Motor
Tray 3 Lift Motor
4.13.6 PFU 1, 2, 3 REMOVAL
Tray 1 PFU
Tray 2 PFU
Tray 3 PFU
4.13.7 PFU ROLLERS, SENSORS, SOLENOID
Before You Begin
Pick-up, Feed, Separation Rollers
Paper End Sensor
Pickup Roller Lift Sensor
Paper Feed Sensor
Pickup Roller Solenoid
4.14 VERTICAL TRANSPORT UNIT
4.14.1 OPENING THE VTU
4.14.2 TRANSPORT SENSORS
4.14.3 VTU REMOVAL
4.14.4 BANK EXIT MOTOR, VERTICAL TRANSPORT MOTOR
Bank Exit Motor
Vertical Transport Motor
4.14.5 VERTICAL TRANSPORT SENSORS
1st Transport Sensor (F1)
4.15 REGISTRATION UNIT
4.15.1 PAPER DUST TRAY
4.15.2 MOTORS
4.15.3 REGISTRATION ENTRANCE MOTOR
4.15.4 REGISTRATION TIMING MOTOR
4.15.5 REGISTRATION GATE ROLLER MOTOR
4.15.6 TRANSFER TIMING MOTOR
4.15.7 MAIN RELAY MOTOR
4.15.8 LCIT RELAY MOTOR
4.15.9 LE SHIFT UNIT MOTOR, CIS FAN
CIS Fan
LE Shift Unit Motor, LE Shift Unit HP Sensor
4.15.10 MAIN RELAY HP SENSOR
4.15.11 MAIN RELAY SENSOR
4.15.12 LCIT RELAY HP SENSOR
4.15.13 REGISTRATION GATE ROLLER HP SENSOR
4.15.14 LCIT RELAY SENSOR
4.15.15 REGISTRATION TIMING SENSOR
4.15.16 DOUBLE-FEED SENSOR 1, DOUBLE-FEED SENSOR 2
4.15.17 CIS
CRB (CIS Relay Board)
CIS Element
4.15.18 TRANSFER TIMING SENSOR
4.15.19 REGISTRATION ENTRANCE SENSOR
4.15.20 DRB, TE SHIFT UNIT MOTOR, TE SHIFT UNIT HP SENSOR
4-325
DRB
TE Shift Unit Motor
TE Shift Unit HP Sensor
4.16 PAPER TRANSFER ROLLER (PTR) UNIT
4.16.1 PTR UNIT REMOVAL
4.16.2 PTR DISASSEMBLY
Separation Plate
Entrance Guide Plate
Lubricant Bar
Cleaning Blade
Lubricant Roller
Paper Transfer Roller (PTR)
Cleaning Roller
After Parts Replacement
Notes about Lubrication
4.16.3 FANS
PTR Fan (Front)
PTR Fan (Rear)
4.16.4 PAPER SEPARATION POWER PACK
4.16.5 ITB/PTR CLEANING MOTOR
4.17 PAPER TRANSPORT BELT (PTB) UNIT
4.17.1 PTB UNIT REMOVAL
PTR Unit Re-installation
4.17.2 PTB MOTOR
4.17.3 PAPER TRANSFER BELTS (PTB)
4.17.4 PTB SENSOR, FANS
PTB Sensor
PTB Fan (Front)
PTB Fan (Rear)
4.18 FUSING UNIT
4.18.1 FUSING UNIT, FUSING CLEANING UNIT REMOVAL
Removing the Fusing Unit
New Fusing Unit
Removing the Fusing Cleaning Unit
Fusing Unit Re-installation
4.18.2 PERIODIC CLEANING
Fusing Belt Stripper Plate
Pressure Roller Stripper Plate
Entrance Guide Plate
4.18.3 PERIODIC LUBRICATION
4.18.4 HEATING ROLLER FUSING LAMPS
Heating Roller Lamp Re-installation Points
4.18.5 HOT ROLLER, HEATING ROLLER, FUSING BELT
4.18.6 CLEANING, LUBRICATION BEFORE RE-ASSEMBLY
Heating Roller
Hot Roller
Fusing Belt
Heating Roller Thermistor
Heating Roller, Hot Roller Bearings
4.18.7 PRESSURE ROLLER STRIPPERS, FUSING PATH SENSORS
4-393
Pressure Roller Stripper Pawls
4.18.8 PRESSURE ROLLER FUSING LAMP, PRESSURE ROLLER 4-398
Pressure Roller Cleaning, Lubrication
Pressure Roller Re-installation
Separation Plate
4.18.9 THERMOSTATS, THERMISTORS, NC SENSORS
Hot Roller Heating Roller Sensors, Heating Roller Thermistor
Re-installation: Heating Roller Thermistor
Pressure Roller Thermistor and NC Sensor
Pressure Roller Thermostat
Heating Roller Thermostats
4.18.10 THERMOPILE
4.18.11 PRESSURE ROLLER LIFT SENSORS
4.18.12 FUSING MOTOR, PRESSURE ROLLER LIFT MOTOR
Remove EDRB
Fusing Motor
Fusing Motor Drive Gear Lubrication
Pressure Roller Lift Motor
Re-installation
4.18.13 FUSING CLEANING UNIT
Cleaning Unit Disassembly
Web End Sensor
Web Motor
4.19 INVERT, DUPLEX, EXIT UNIT
4.19.1 EXIT SENSOR
4.19.2 EXIT JUNCTION GATE SENSOR
4.19.3 PURGE RELAY SENSOR
4.19.4 INVERT JUNCTION GATE SOLENOID
4.19.5 PURGED PAPER SENSOR
4.19.6 INVERT EXIT MOTOR, INVERT EXIT HP SENSOR
Invert Exit Motor
Invert Exit HP Sensor
4.19.7 INVERT ENTRANCE MOTOR
4.19.8 EXIT INVERT SENSOR
4.19.9 DUPLEX TRANSPORT MOTOR 1
4.19.10 DUPLEX INVERT SENSOR
4.19.11 DUPLEX TRANSPORT SENSOR 1
4.19.12 DUPLEX TRANSPORT SENSOR 2, 3
4.19.13 EXIT JUNCTION GATE MOTOR, EXIT JUNCTION GATE HP
SENSOR 4-469
Exit Junction Gate Motor
Exit Junction Gate HP Sensor
4.19.14 DUPLEX TRANSPORT MOTOR 2
4.19.15 DUPLEX TRANSPORT SENSOR 4, 5, 6, DUPLEX EXIT SENSOR
4-475
4.19.16 EXIT MOTOR
4.19.17 EXIT/INVERT MOTOR
4.19.18 DUPLEX/INVERT MOTOR
D179/D180/D181 xxii SM
Large Horizontal Duct
Duplex/Invert Motor
4.20 USED TONER PATH
4.20.1 USED TONER PATH, USED TONER TRANSPORT MOTOR 4-484
4.20.2 USED TONER BOTTLE UNIT
Used Toner Bottle Unit Removal
Used Toner Transport Motor
Used Toner Bottle Full Sensor
Used Toner Bottle Near-Full Sensor
Used Toner Bottle Set Switch
4.21 FILTERS, FANS
4.21.1 FILTERS
Fusing Exhaust Filters
Air Filters
Right Cover Air Intake Filers
Right Cover Base Filters
Toner Supply Filter
4.21.2 FANS
Before You Begin
Laser Unit Cooling Fan
Development Unit Cooling Fan: Front
Development Unit Cooling Fan: Rear
Belt Cooling Fan
Ozone Air Intake Fan
Ozone Air Exhaust Fan
4.21.3 HORIZONTAL DUCT FANS
Fusing Transport Exhaust Fan
Fusing Exhaust Fan: Upper
Fusing Exhaust Fan: Lower
4.21.4 REAR EXHAUST FANS
4.21.5 HP (HEAT PIPE) COOLING FANS
4.21.6 CONTROLLER BOX FANS
PSU Cooling Fan: T Right, T Left
Control Board Air Intake Fan
PSU Air Exhaust Fan: M1 Left
PSU Air Exhaust Fan: M2 Left
PSU Air Intake Fan: M1 Right
PSU Air Intake Fan: M2 Right
Thermistor Mechatron
4.21.7 RIGHT COVER FANS
Right Air Intake Fan: Front
Right Air Intake Fan: Center
Right Air Intake Fan: Rear
4.22 BOARDS, HDD, BREAKER SWITCH
4.22.1 MAIN UNIT
AC Drive
CGB Power Pack
EDRB
IOB
RYB (Relay Board)
4.22.2 PSU-A, B, C
Before You Begin
PSU-A
PSU-B
PSU-C
4.22.3 AROUND THE CONTROL BOARD
Before You Begin
IPU Sub Board
IPU-Controller Board
Precautions When Replacing the Controller Board
BCU
4.22.4 NVRAM REPLACEMENT
Controller Board NVRAM Replacement
BCU NVRAM Replacement
4.22.5 CNB
4.22.6 HDD
After Installing a New HDD Unit
Disposal of HDD Unit
Reinstallation
4.22.7 BREAKER SWITCH

5) SYSTEM MAINTENANCE REFERENCE
5.1 TYPES OF SP MODES
5.2 SERVICE PROGRAM MODE
5.3 UPDATING THE FIRMWARE
5.3.1 SOFTWARE UPDATE
Software Update Procedure
Doing the Software Update Procedure
Errors During Firmware Update
Updating the LCDC for the Operation Panel
Downloading Stamp Data
5.4 UPLOADING/DOWNLOADING NVRAM DATA
5.4.1 UPLOADING NVRAM DATA TO AN SD CARD
5.4.2 DOWNLOADING NVRAM DATA FROM AN SD CARD
5.5 ADDRESS BOOK UPLOAD/DOWNLOAD
5.5.1 INFORMATION LIST
5.5.2 DOWNLOAD ADDRESS BOOK
5.5.3 UPLOAD ADDRESS BOOK
5.6 CAPTURING THE DEBUG LOGS
5.6.1 OVERVIEW
Types of debug logs that can be saved
Operation Log Security
5.6.2 RETRIEVING DEBUG LOGS
Procedure for Retrieving the Debug Log

6) TROUBLESHOOTING
6.1 SELF-DIAGNOSTIC MODE
6.1.1 SELF-DIAGNOSTIC MODE AT POWER ON
6.1.2 SELF-DIAGNOSTIC TEST FLOW
6.1.3 DETAILED SELF-DIAGNOSTIC MODE
6.1.4 EXECUTING DETAILED SELF-DIAGNOSIS
6.2 SC CODE DESCRIPTIONS
6.2.1 SUMMARY
6.2.2 SC CODE DESCRIPTIONS
6.3 SC100
6.4 SC200
6.5 SC300
6.6 SC400
6.7 SC500
6.8 SC600
6.9 SC700
6.10 SC800
6.11 SC900
6.12 JAM DETECTION
6.12.1 DISPLAY
6.12.2 JAM REMOVAL
6.12.3 PAPER JAM CODE LOGS
Checking Logs
Jam Display
6.12.4 JAM CODE DESCRIPTIONS
ADF
Main Machine
Finisher SR5060/5050
Multi Fold Unit FD5020
Cover Interposer Tray CI5030
Perfect Binder GB5010
Ring Binder RB5020
Trimmer TR5040
6.12.5 PAPER SIZE MISMATCH CODES
6.13 FUSES
6.13.1 RYB (RELAY BOARD)
6.13.2 AC DRIVE
6.13.3 PSU-A
6.13.4 PSU-B
6.13.5 PSU-C
6.14 LEDS
6.14.1 IOB
6.14.2 BCU
6.14.3 SIO
6.14.4 ADF
6.14.5 IPU

7) ENERGY AND PAPER SAVING
7.1 ENERGY SAVE
7.1.1 ENERGY SAVER MODES
Timer Settings
Return to Stand-by Mode
Recommendation
7.1.2 ENERGY SAVE EFFECTIVENESS
7.2 PAPER SAVE
7.2.1 EFFECTIVENESS OF DUPLEX/COMBINE FUNCTION
Paper Savings and Counter

Numbers of pages: 3393.