Pro 8200S/8210S/8220SPro 8210/8220
  1. Replacement and Adjustment
  2. Paper Transport Belt (PTB) Unit
  3. PTB Sensor, Fans

PTB Fan (Rear)

  1. Disconnect the fan (x2, x1, x2).
  2. Remove the fan.
Expand All
  • Read This First
    • Symbols, Abbreviations
    • Trademarks
  • Product Information
    • Product Overview
      • Layout (Front)
      • Paper Paths
        • Main Unit, LCIT
        • Main Unit + Vacuum Feed LCIT RT5100 (2 Connections)
        • Main Unit + Vacuum Feed LCIT RT5100 + LCIT RT5080
      • Drive Layout
        • Front
        • Rear
      • Important Features
        • Print Area, Warm-up Time
        • Laser Unit
        • Power Switch
        • ITB Centering Control
        • PTB Unit
        • Cooling Belt
        • Main and LCT Relay Rollers
        • Skew and Paper Registration
        • Paper Bank Heaters
        • Common Cleaning Mechanisms
        • Drum Charge
        • ITB Separation
        • Drawer
        • Fusing Unit
        • Process Control
        • Password Setting (Copier Model Only)
        • Tip Prevention Braces (Printer Model Only)
        • Drum Knob Fastening Tool
        • LCIT Units
        • Vacuum Feed LCIT RT5100
        • Multi Fold Unit
        • Booklet Finisher Tray
        • A3/11"x17" Tray Unit TK5010
        • High Capacity Stacker SK5030
        • RPIP Interface Box Type S3 (M462)
    • Main Machine and Peripherals
      • Main Machine
        • Copier Version Area Codes
        • Copier Version Names
        • Printer Version Names
        • Printer Version Area Codes
      • Options
        • Peripheral Devices (Copier/Printer)
        • Controller Options
        • Discontinued Options
        • Consumables (Copier/Printer)
        • TCRU Kits
      • Peripheral Configuration Rules
      • Example Configurations
        • Example 1
        • Example 2
        • Example 3
        • Example 4
        • Example 5
        • Example 6
        • Example 7
        • Example 8
    • Specifications
  • Installation
    • Installation Requirements
      • Operating Environment
      • Power Requirements
        • Input voltage level
        • Breaker Switch
      • Machine Level
      • Space Requirements
        • Space Around the Main Machine
      • System Dimensions
        • Top and Side Views
        • Perfect Binder and Ring Binder
      • Main Power and Operation Power Switch
    • Main Machine
      • Accessories
      • Installation Flow
      • Rating Voltages for Connection Points
        • Right Side
        • Left Side
        • Left Rear
      • Remove Tapes, Shipping Materials
        • ITB Lever
        • ADF Tapes: Copier Only
        • Paper Tray Clamps and Tags
      • Install the Operation Panel
        • Standard Installation
        • Easy Access Installation
      • Status Light
      • Power Cord, Cable Clamp
      • Fusing Roller Knob Holder, ITB Jigs
        • Fusing Roller Knob Holder
        • ITB Jigs
      • Exposure Glass Cleaning Cloth and Holder (Copier Only)
      • Name Plate
      • Attaching the Decals
        • Front Decals
        • Operation Panel Decals
        • Operation Panel Decals (China Only)
        • Tandem Tray Decals (China Only)
        • Service Decals (China Only)
        • Printing Decal Precautions
        • ADF Decals (Copier Only)
      • Clean the Exposure Glass (Copier Only)
      • Level the Main Machine
      • Rear Vent Cover
      • Test the Breaker Switch
      • Turning the Machine On/Off
        • Turning the Machine On
        • Turning the Machine Off
      • Install Toner Bottles
        • Bottle Installation and Initialization
        • Problem During Bottle Installation?
      • Paper Library Data Installation
      • Tip Prevention Braces (Printer Only)
      • Paper Trays
        • Loading the Paper Trays
        • Paper Tray Settings
      • SMC Report
      • Test Print
        • Copier Model
        • Printer Model
      • Check and Adjust Image Areas after Installation or Moving
        • Copier Magnification Front/Back Adjustment Method 1
        • Copier Magnification Front/Back Adjustment Method 2
        • Main Scan/Sub Scan Registration Adjustment
        • Printing Pattern #14 for the Printer Model
      • Connect the Ethernet Cable (Copier Only)
      • Moving and Transporting the Machine
        • Preparing the Machine
        • If Peripheral Devices Are Installed
      • Heater Options
        • Paper Bank Heater
        • Scanner Unit Heater (Copier Only)
      • TCRU Set B
      • Important Notice on Security Issues
        • Overview
        • Password Setting Procedure
      • Firmware Update for Peripherals
    • Double-feed Kit S7 D3DS
      • Accessories
      • Installation
        • Remove the ADF Covers
        • Remove Feed Cover and Upper Guide
        • Remove the Original Shielded Harnesses
        • Install the Double-feed Sensors
        • Re-assembly
        • Final Adjustments
    • RPIP Interface Box Type S3
      • Overview
      • Accessories
      • Installation
      • Setting
        • Preparation
        • Parameter Setting Tool
    • A3/11"x17" Tray Unit TK5010
      • Accessories
      • Installation
        • Unpacking
        • Accessory Rail Guide
        • Check and Set the Paper Size
        • Remove the Tandem Trays
        • Install the Short Connector
        • Install the Tray Unit
        • Attach the Front Cover, Attach the Decal
    • Decurl Unit DU5050
      • Accessories
      • Installation
        • Mounting the Decurl Unit
        • Jam Removal Decal
        • Entrance Guide Plate
        • SP Settings
        • Connecting Peripheral Units
        • Adjustments
      • Curl Correction
        • SP Mode Adjustments
        • Tray Heaters
    • Multi Bypass Tray BY5010
      • Before You Begin
      • Accessories
      • Installation
        • Unpacking
        • Prepare the Unit
        • LCIT RT5070
        • LCIT RT5080
        • End Fence, Tab Sheet Fence
        • Attaching the Tray Number Decals
    • Multi Bypass Attachment Kit for Vacuum Feed LCIT Type S3
      • Accessories
      • Installation
        • Before You Begin...
        • If the Vacuum Feed LCIT Has Already Been Installed...
        • Preparing the Multi Bypass Tray
        • Mounting the Multi Bypass Tray
        • Replacing the Pulley and Belt
        • Connecting the Multi Bypass Tray
        • Bypass Covers
        • Installing the Motor on the Vacuum Feed LCIT
        • End Fence and Tab Sheet Fence
        • Attaching the Tray Number Decals
        • Docking, Height Adjustment
    • Multi Bypass Banner Sheet Tray Type S3
      • Accessories
      • Installation
        • Attaching the Extension Tray to the Finisher
        • SP Setting
    • LCIT RT5070
      • Accessories
      • Installation
        • Tapes, Retainers
        • Ground Plate
        • Docking to the Main Machine
        • Height Adjustment
      • Tray Heaters
        • Accessories
        • Installation
      • Moving the LCT
    • LCIT RT5080
      • Accessories
      • Installation
        • Tapes, Retainers
        • Ground Plate
        • Docking to the Main Machine
        • Height Adjustment
      • Tray Heaters
        • Accessories
        • Installation (A3 LCT to Main Machine)
        • Installation (With Bridge Unit)
      • Moving the LCT
    • Vacuum Feed LCIT RT5100
      • Accessories
      • Installation
      • Disconnecting the Vacuum Feed LCIT from the Main Machine
      • Vacuum Feed LCIT Tray Heater
        • Accessories
        • Installation
    • Bridge Unit BU5010
      • Accessories
      • Installation
        • Horizontal Transport Unit
        • Docking: Downstream
        • Docking: Upstream
        • Connecting the Bridge Unit to Upstream A3 LCT RT5080
    • Cover Interposer Tray CI5030
      • Accessories
      • Installation
        • Procedure
    • Finishers SR5050/SR5060
      • Accessories
      • Installation
        • Tapes, Retainers, Shipping Plates
        • Ground Plate
        • Sponge Strips
        • Entrance Guide
        • Shift Tray
        • Booklet Tray
        • Docking
        • Auxiliary Tray
        • Finishing the Installation
      • Moving the Finisher
    • Punch Unit PU5020 NA, EU, SC
      • Accessories
      • Installation
    • Multi-Folding Unit FD5020
      • Accessories
      • Installation
        • Tapes
        • Entrance Guide Plate, Sponge Strips
        • Ground Plate
        • Docking
        • Removing Parts for the Cover Interposer Tray
        • Power Cord
        • Finishing the Installation
        • Auxiliary Tray, Fold Depressor
      • Moving the Multi-Folding Unit
    • High Capacity Stacker SK5030
      • High Capacity Stacker
        • Accessories
        • Installation
      • Roll-Away Cart Type 5010
        • Accessories
        • Installation
    • Cover Interposer Tray for Perfect Binder Type S1
      • Inserter Accessories
      • Inserter Installation
        • Mounting the Inserter
        • Adjusting the Position of the Hinge Plate
        • Connecting the Inserter
        • Inserter Gap Measurement
        • Inserter Gap Adjustment
        • Inserter Limiter Brace
    • Perfect Binder GB5010
      • Bookbinder Accessories
      • 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
      • Docking the Bookbinder
      • Filling Bookbinder Glue Supply Unit
        • Handling and Storing the Glue Pellet Supply
      • Testing the Breaker Switch
      • Final Check
      • Preparing the Bookbinder for Moving
        • Same Floor
        • Gluing Unit
        • Sub Grip Unit
        • Another Floor (by Elevator)
        • Left Side (Paper Exit)
        • Right Side (Paper Entrance)
      • Shipping the Bookbinder
    • Transit Pass Unit for Perfect Binder Type S1
      • Relay Unit Accessories
      • Relay Unit Installation
        • Testing the Breaker Switch
    • Ring Binder RB5020
      • Operating Environment
      • Machine Level
      • Minimum Space Requirements
      • Power Supply
      • Accessories
      • Before You Begin
      • 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 the Ring Supply Level Indicator
        • Test the Breaker Switch
      • Centering Paper in the Paper Path
        • Checking and Correcting Side-to-Side Registration
        • Checking and Correcting Skew
      • After Installation
    • Trimmer Unit TR5040
      • Accessories
      • Installation
        • Tapes, Stopper Plate
        • Output Tray
        • Ground Plate
        • Preparing the Booklet Finisher for Docking
        • Docking
    • Controller Options
      • Overview
      • IEEE 1284 Interface Board Type A
        • Accessories
        • Installation
      • IEEE 802.11a/g/n Interface Unit Type M2
        • Accessories
        • Before You Begin
        • Installation
        • User Tool Settings
        • SP Mode, User Tool Settings
      • Bluetooth Interface Unit Type D
        • Accessories
        • Installation
      • PostScript3 Unit
        • Accessories
        • Installation
      • IPDS Unit
        • Accessories
        • Installation
      • File Format Converter Type E
        • Accessories
        • Installation
      • Copy Data Security Unit Type G
        • Accessories
        • Installation
        • User Tool Setting
        • Check All Connections
      • OCR Unit Type M2
        • What is Searchable PDF?
        • Accessories
        • Installation
        • Restoration
        • When the Original SD Card Exists
        • If Original SD Card is Lost
      • SD Card Appli Move
        • Overview
        • Move Exec
        • Undo Exec
    • Key Counter, Optional Counter I/F Unit
      • Key Counter Bracket Type 1027
        • Installation
      • Optional Counter I/F Unit Type A
        • Accessories
        • Installation
    • Common Adjustments
      • Height and Level Adjustment
        • Before you begin:
        • Setting the Leveling Shoes
      • Skew and Side-to-Side Registration
        • Overview
        • Checking Side-to-Side Registration
        • Correcting Side-to-Side Registration
        • Detecting Paper Skew
        • Correcting Skew
    • Fiery Controller Connection and Setup
      • Connect EFI Box to Main Machine
      • Connect the EFI Box Power Cord
      • Power On with Fiery Controller
      • Fiery Controller Setup
        • Fiery Controller Selection
        • Fiery Language Selection
        • Fiery Controller Settings
  • Preventive Maintenance
    • Preventive Maintenance Tables
    • Image Quality Standards
      • Checking Image Quality
        • Resolution
        • Even Density
        • Magnification Errors
        • Magnification Error Variation
    • Paper Transfer
      • Paper Transfer Quality Standards
        • Registration
        • Skew
        • LCIT RT5070/RT5080
        • Cover Interposer Tray CI5030
    • PM Parts Settings
      • PM Preparation
        • Before You Begin...
        • Before and After Servicing
    • Cleaning Points
      • Before You Begin
      • Inspection and Cleaning
      • ADF Cleaning (Copier)
      • Scanner Unit (Copier)
      • PFU Rollers
      • Vertical Transport Unit (VTU) Rollers, Sensors
      • Drawer: Right Side
        • Entrance Rollers
        • LCIT Relay Sensor
        • Double-Feed Sensors, Registration Timing Sensor
        • Registration Timing Roller
        • Dust Collection Tray
        • CIS
        • Transfer Timing Sensor
      • Drawer: Center
        • Paper Transfer Roller
        • Transfer Timing Roller: Upper
        • Transfer Timing Roller: Lower
        • PTB Sensor
      • Fusing Unit
        • Entrance Plates
        • Fusing Exit Sensor
        • Pressure Roller Strippers
        • Fusing Belt, Pressure Roller
        • Cooling Pipe Roller
      • 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
      • Drawer Left: Invert Unit
        • Invert Rollers
        • Inverter Anti-Static Brush
        • Purged Paper Sensor
      • Drawer: Front Covers Off
        • LCIT, Registration Roller, Main Relay HP Sensors
        • Exit JG, Invert Exit HP Sensors
      • Transport Rollers, Sensors
      • Toner Shield Glass
    • Lubrication Points
      • Fusing Unit
        • Drive Gears
        • Heating Roller, Hot Roller Bearings
        • PTR Unit
    • Routine Cleaning at PM Visits
      • Below the Fusing Unit
      • Registration Cover
      • CIS Area
      • PTB Unit Area
      • Development Unit Stay
      • ITB Cleaning Unit Components
      • Drawer Paper Path
  • Replacement and Adjustment
    • General Cautions
      • Power On/Off
      • Drum
      • Drum Unit
      • Image Transfer Belt Unit
      • Scanner Unit
      • Laser Unit
      • Charge Corona
      • Development
      • Cleaning
      • Fusing Unit
      • Paper Feed
      • Used Toner
    • Cautions for This Machine
      • General
        • Screws
        • Printer Model
      • Power Switch
      • Rear Controller Box
      • PCDU
      • Development Unit
      • ITB Unit
      • Scanner Unit (Copier Model Only)
      • Development
      • PSU, AC Drive Board
      • Jam LEDs
      • Cleaning
      • Fusing Unit
      • Paper Feed
      • Used Toner
      • 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
      • Safety Labels for This Machine and Peripherals
        • Main Machine (Copier and Printer Models)
        • LCIT RT5080
        • Multi Bypass Tray BY5010
        • Vacuum Feed LCIT RT5100
        • Finisher SR5050
        • Booklet Finisher SR5060
        • High Capacity Stacker SK5030
        • Multi-Folding Unit FD5020
        • Trimmer Unit TR5040
        • Ring Binder RB5020
        • Perfect Binder GB5010
    • Special Tools and Lubricants
      • Special Tools
      • Drum Knob Tool
      • Lubricants
    • Common Procedures
      • Before You Begin
        • Turning the Machine On
        • Turning the Machine Off
      • External Covers, Doors
        • Front Edge Cover
        • Right Cover
        • Left Cover
        • Rear Cover
        • Doors
      • Drawer
        • Opening and Closing the Drawer
        • Support Rails
        • Drawer Right Cover
      • Controller Box, Controller Box Cover
        • Opening the Controller Box
        • Removing the Controller Box Cover, Inner Cover
      • Lowering the IOB Bracket
      • Controller Box Removal
        • PSU Precautions
        • Copier Model
        • Printer Model
      • Canopy Cover Removal
        • Copier Model
        • Printer Model
        • Canopy Cover Removal: Continued
    • Operation Panel
      • Operation Panel with Arm
      • Touch Panel
      • 1st Shield Plate
        • Re-installation
      • OPU, LCDC, SD/USB
        • OPU: TP
        • LCDC (LCD Controller)
        • OPU: IO
        • SD Card/USB
      • 2nd Shield Plate
      • LCD, Touch Panel
      • Operation Panel LED PCB, Key PCBs
        • LED PCB
        • Key PCB 1
        • Key PCB 2
      • Touch Panel Position Adjustment
    • ADF (Copier)
      • ADF Removal
      • After ADF Replacement
        • CIS RGB Adjustment
        • Checking for Skew
        • Platen Adjustment
      • ADF Covers
        • ADF Rear Cover
        • ADF Front Cover
        • Feed Cover
        • Original Feed Unit
      • Pickup Roller, Feed Belt
        • Pickup Roller
        • Feed Belt
      • ADF Separation Roller
      • ADF Sensors
        • Original Registration Sensor
        • Original Width Sensors
        • Original Exit Sensor
      • Boards
        • ADF Control Board
        • Double-feed Sensor Board
      • Sensors, Switches
        • Separation Sensor, Skew Correction Sensor, Double-Feed Sensor 2 (Option)
        • Double-feed Sensor 1 (Option), Interval Sensor, Original Width Sensors
        • APS Feeler
        • ADF Lift Interlock Switch
        • Lift-up Sensor
        • Original Set Sensor
        • A4/LT SEF Sensor
        • Bottom Plate HP Sensor
        • Bottom Plate Position Sensor
        • ADF Feed Cover Interlock Switch
        • Pickup Roller HP Sensor
      • 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
      • CIS Removal
    • Scanner Unit (Copier
      • Exposure Glass
      • Scanning Glass
      • Original Size Sensor, IDB
      • Lens Block
        • Sub Scan Magnification Adjustment
        • Sub Scan Registration Adjustment
        • Main Scan Registration Adjustment
      • Exposure Lamp
        • Exposure Lamp Removal
        • Exposure Lamp Re-installation
      • Scanner Motor
      • SIOB
      • Scanner Unit
      • ADF Position Sensor
      • Exposure Lamp HP Sensor
      • Scanner Wire
        • Preparation
        • Wire Replacement
        • Preparation for Re-assembly
        • Re-assembly
    • Laser Unit
      • Before You Begin
      • Caution Decals
        • Top of the Laser Unit
        • PCDU Cover
        • Flywheel
      • Laser Unit
        • Remove the Canopy Cover
        • Copier Model
        • Printer Model
        • Canopy Cover Removal: Continued
        • Remove the Toner Bank Cover
        • Remove the Toner Bottle Cradles
        • Remove the Laser Unit
        • Laser Unit Re-installation
        • After Laser Unit Replacement
      • LD Safety Switches
        • Remove the Scanner Unit (Copier Models)
        • Remove the Top Cover (Printer Model)
        • Remove the Door Interlock Switches
        • LD Safety Switch Diagram
    • Toner Supply
      • Toner Supply Unit
        • Before You Begin
        • Canopy Cover Removal
        • Remove the Toner Bank Cover
        • Remove the Toner Bottle Cradles
        • Sub Hopper
        • Toner Supply Unit Re-installation
      • Toner Supply Motors
        • Toner Feed Motor
        • Toner Agitator Motor
      • Toner Bank
        • Toner Bottle Motor
        • Toner Bottle Cap Motor
      • Toner Supply Sensors
        • Toner Bottle Cap Sensor
        • Toner Bottle Set Sensor
    • Around the Drum
      • PCDU Disassembly for Replacement
        • PCDU Removal
        • Drum Cleaning Unit
        • Drum
        • Development Unit
        • Drum Cleaning Unit, Drum, PCDU Re-installation
      • Drum Replacement
        • Drum Removal
        • Installing a New Drum
        • After Drum Replacement
      • 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
      • Drum Motors
        • Drum Motor
        • Drum Cleaning Motor
        • Development Motor
        • Cleaning Pad Motor
      • Quenching Lamp, Sensors
        • Quenching Lamp
        • PCDU Temperature/Humidity Sensor
        • Potential Sensor
        • Cleaning Pad HP Sensor
      • Charge Corona Wires, Grid, Cushions, Wire Cleaner
      • Development Unit Replacement
        • Draining Developer
        • Filling the New Unit with Developer
      • Developer Replacement
        • Draining Developer
        • Adding New Developer
      • Cleaning Doctor Blade, Development Roller Cleaning
      • Vent Filter
    • ITB Unit
      • ITB Unit Removal
        • ITB Cleaning Unit
        • ITB Unit
        • ITB Cleaning Unit, ITB Unit Re-installation
      • Belt Replacement
        • Belt Removal
        • Belt Re-installation
        • After Replacing the ITB
      • PTR Separation Motor
      • Belt Centering Motor
      • TDRB
      • Transfer Power Pack
      • Transfer Roller
        • After Transfer Roller Replacement
      • Paper Transfer Bias Roller
      • Belt Centering Roller HP Sensor
      • Cleaning Unit Set Switch
      • PTR Separation Sensor
      • ID Sensor
      • Belt Centering Sensor
      • ID Sensor Fan
      • Transport Belt Motor
      • ITB Unit Thermostat
      • Transfer Roller Heater
      • Bias Roller Heater
    • ITB Cleaning Unit
      • 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
      • ITB/PTR Cleaning Motor
        • Remove the Vertical Duct
        • Lower the IOB
        • Remove the Large Horizontal Duct
        • Remove the ITB/PTR Cleaning Motor
    • Paper Trays 1, 2, 3
      • Paper Tray Removal
        • Remove Paper Tray 1
        • Remove Paper Tray 2, Tray 3
      • 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
      • Tray 1 Motors
        • Before You Begin
        • Tray 1 Grip Motor
        • Tray 1 Feed Motor
        • Tray 1 Lift Motor
      • Tray 2 Motors
        • Before You Begin
        • Tray 2 Grip Motor
        • Tray 2 Feed Motor
        • Tray 2 Lift Motor
      • Tray 3 Motors
        • Before You Begin
        • Tray 3 Grip Motor
        • Tray 3 Feed Motor
        • Tray 3 Lift Motor
      • PFU 1, 2, 3 Removal
        • Tray 1 PFU
        • Tray 2 PFU
        • Tray 3 PFU
        • PFU Separation Roller Nip Adjustment
      • 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
      • Jam LEDs
        • Jam LED Locations
        • Removing a Jam LED and Lens
        • Re-installing a Jam LED and Lens
    • Vertical Transport Unit
      • Opening the VTU
      • Transport Sensors
      • VTU Removal
      • Bank Exit Motor, Vertical Transport Motor
        • Bank Exit Motor
        • Vertical Transport Motor
      • Vertical Transport Sensors
        • 1st Transport Sensor (F1)
    • Registration Unit
      • Paper Dust Tray
      • Motors
      • Registration Entrance Motor
      • Registration Timing Motor
      • Registration Gate Roller Motor
      • Transfer Timing Motor
      • Transfer Timing Rollers
      • Main Relay Motor
      • LCIT Relay Motor
      • LE Shift Unit Motor, CIS Fan
        • CIS Fan
      • LE Shift Unit Motor, LE Shift Unit HP Sensor
      • Main Relay HP Sensor
      • Main Relay Sensor
      • LCIT Relay HP Sensor
      • Registration Gate Roller HP Sensor
      • LCIT Relay Sensor
      • Registration Timing Sensor
      • Double-feed Sensor 1, Double-feed Sensor 2
      • CIS
        • CRB (CIS Relay Board)
        • CIS Element Removal
        • Light Level Adjustment with CIS Replacement
      • Transfer Timing Sensor
      • Registration Entrance Sensor
      • DRB, TE Shift Unit Motor, TE Shift Unit HP Sensor
        • DRB
        • TE Shift Unit Motor
        • TE Shift Unit HP Sensor
    • Paper Transfer Roller (PTR) Unit
      • PTR Unit Removal
      • 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
      • Fans
        • PTR Fan (Front)
        • PTR Fan (Rear)
      • Paper Separation Power Pack
      • ITB/PTR Cleaning Motor
    • Paper Transport Belt (PTB) Unit
      • PTB Unit Removal
      • PTB Motor
      • Paper Transfer Belts (PTB)
      • PTB Sensor, Fans
        • PTB Sensor
        • PTB Fan (Front)
        • PTB Fan (Rear)
    • Fusing Unit
      • Fusing Unit, Fusing Cleaning Unit Removal
        • Removing the Fusing Unit
        • New Fusing Unit
        • Removing the Fusing Cleaning Unit
        • Reinstalling the Fusing Cleaning Unit
        • Fusing Unit Re-installation
      • Periodic Cleaning
        • Fusing Belt Stripper Plate
        • Pressure Roller Stripper Plate
        • Entrance Guide Plate
      • Periodic Lubrication
      • Heating Roller Fusing Lamps
        • Heating Roller Lamp Re-installation Points
      • Hot Roller, Heating Roller, Fusing Belt
      • Cleaning, Lubrication before Re-assembly
        • Heating Roller
        • Hot Roller
        • Fusing Belt
        • Heating Roller Thermistor
        • Heating Roller, Hot Roller Bearings
      • Pressure Roller Strippers, Fusing Path Sensors, Anti-static Brushes
        • Pressure Roller Stripper Pawls
      • Pressure Roller Fusing Lamp, Pressure Roller
        • Pressure Roller Cleaning, Lubrication
        • Pressure Roller Re-installation
        • Separation Plate
      • 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
      • Thermopile
      • Pressure Roller Lift Sensors
      • Fusing Motor, Pressure Roller Lift Motor
        • Remove the EDRB Bracket
        • Fusing Motor
        • Pressure Roller Lift Motor
        • Re-installation
      • Fusing Cleaning Unit
        • Cleaning Unit Rollers
        • Web Motor
        • Web End Sensor
      • Main Machine Thermistor
    • Invert, Duplex, Exit Unit
      • Exit Sensor
      • Exit Junction Gate Sensor
      • Purge Relay Sensor
      • Invert Junction Gate Solenoid
      • Purged Paper Sensor
      • Invert Exit Motor, Invert Exit HP Sensor
        • Invert Exit Motor
        • Invert Exit HP Sensor
      • Invert Entrance Motor
      • Exit Invert Sensor
      • Duplex Transport Motor 1
      • Duplex Invert Sensor
      • Duplex Transport Sensor 1
      • Duplex Transport Sensor 2, 3
      • Exit Junction Gate Motor, Exit Junction Gate HP Sensor
        • Exit Junction Gate Motor
        • Exit Junction Gate HP Sensor
      • Duplex Transport Motor 2
      • Duplex Transport Sensor 4, 5, 6, Duplex Exit Sensor
      • Exit Motor
      • Heat Pipe Motor
      • Exit/Invert Motor
      • Duplex/Invert Motor
        • Horizontal Duct
        • Duplex/Invert Motor
    • Used Toner Path
      • Used Toner Path, Used Toner Transport Motor
        • Vertical Duct
        • Lower the IOB Bracket
        • Main Motor Unit
        • Developer Unit Rear Fan, Small Horizontal Duct
        • Remove the EDRB Bracket
        • Horizontal Duct
        • ITB/PTR Motor
        • Used Toner Transport Motor
        • Used Toner Path Upper Duct
        • Used Toner Path Vertical Duct, Horizontal Pipe
      • 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
    • Filters
      • Exhaust Unit Air Filters
      • Fusing Exhaust Filters
      • Ozone Filters
      • Controller Box Base Filters
      • PSU Air Intake Filters
      • Right Cover Air Intake Filters
      • Toner Supply Filter
    • Fans (Main Machine)
      • Before You Begin
      • Belt Cooling Fan
      • PSU-C Cooling Fan
      • 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
      • Development Unit Cooling Fan: Front
      • Development Unit Cooling Fan: Rear
      • Fusing Transport Exhaust Fan
      • Fusing Exhaust Fan: Upper
      • Fusing Exhaust Fan: Lower
      • HP (Heat Pipe) Cooling Fans
      • Laser Unit Cooling Fan
      • Ozone Air Exhaust Fan
      • Ozone Air Intake Fan
      • PSU Cooling Fan: T Right, T Left
      • Rear Exhaust Fans
      • Right Cover Fan Bracket
      • Right Air Intake Fan: Front
      • Right Air Intake Fan: Center
      • Right Air Intake Fan: Rear
    • Boards, HDD, Breaker Switch
      • Main Unit
        • AC Drive
        • CGB Power Pack
        • EDRB
        • IOB
        • RYB (Relay Board)
      • PSU-A, B, C
        • PSU-A
        • PSU-B
        • PSU-C
      • Around the Control Board
        • Before You Begin
        • IPU Sub Board (Copier Model Only)
        • IPU, Controller Board
        • Precautions When Replacing the Controller Board
        • BCU
      • NVRAM Replacement
        • Controller Board NVRAM Replacement
        • BCU NVRAM Replacement
      • CNB
      • HDD
        • After Installing a New HDD Unit
        • Disposal of HDD Unit
        • Reinstallation
      • Breaker Switch
      • SCDC Board
  • System Maintenance Reference
    • Types of SP Modes
    • Service Program Mode
      • SP Table
      • Tray notation of SP mode
    • Updating the Firmware
      • Software Update Procedure
      • Doing the Software Update Procedure
      • Java VM Update
      • Errors During Firmware Update
      • Updating the LCDC for the Operation Panel
    • Downloading Stamp Data (Copier Model Only)
    • Uploading/Downloading NVRAM Data
      • Uploading NVRAM Data to an SD Card
      • Downloading NVRAM Data from an SD Card
    • Address Book Upload/Download
      • Information List
      • Download Address Book
      • Upload Address Book
    • Capturing the Debug Logs
      • Overview
        • Types of debug logs that can be saved
        • Operation Log Security
      • Retrieving the Debug Log
  • Troubleshooting
    • Servicing
      • Customer Engineers
      • Reference Material for Maintenance
      • Warnings, Cautions, Notes
      • Before You Begin
        • Safety
        • About the Display for Options
    • Self-Diagnostic Mode
      • Self-Diagnostic Mode at Power On
      • Self-Diagnostic Test Flow
      • Detailed Self-Diagnostic Mode
      • Executing Detailed Self-Diagnosis
    • SC Code Descriptions
      • Summary
      • SC Code Descriptions
    • SC100
    • SC200
    • SC300
    • SC400
    • SC500
    • SC600
    • SC700
      • ADF
      • Finisher, Booklet Finisher
      • Multi-Folding Unit
    • SC700
      • Cover Interposer Tray
      • High Capacity Stacker
    • SC700
      • Perfect Binder
    • SC700
      • Perfect Binder
    • SC700
      • Trimmer Unit
      • Ring Binder
      • RPIP Interface Box
      • Vacuum Feed LCIT
      • Perfect Binder
    • SC800
    • SC900
    • Image Quality Problems
      • Toner Spotting/Staining
        • Paper Spotted with Toner
        • Black Spots
        • Streaks (1)
        • Streaks (2)
        • Streaks (3)
        • Streaks (4)
        • Two 13-mm Long Vertical Streaks
        • Two 14-mm Wide Streaks
        • Stained Paper Edges
        • Stained Background
        • Ghosting
        • Scratched Images and Stained Paper Edges
        • Back Sides of Sheets Dirty after an NCR Print Job
      • Toner Scatter
        • Toner Scatter 1 (Around Edge of Solid Fill)
        • Toner Scatter 2 (Trailing Scatter)
        • Toner Scatter 3 (Blemished Line or Character)
        • Toner Scatter 4
      • Image Loss
        • White Spots 1
        • White Spots 2
        • White Spot Blisters
        • Granular Spots in Colors
        • Mottling
        • Rough Images with Paper Smaller Than A4 SEF (210 mm)
        • Rough Images Appear During Low Duty Use
        • Vertical Lines at 60 mm Intervals
        • Black Dots Appear on Coated Paper
        • Static Traces Appear in Low Temperature, Low Humidity Environments
        • Firefly, Comet Patterns
        • White Parallel Stripes
        • Edge Toner Scatter
      • Density Problems
        • Uneven Image Density
        • Density Change at Low Temperatures
        • Uneven Density from Top to Bottom
        • Fainter Leading Edge
        • Fainter Trailing Edge
        • Uneven Density within 90 mm (3.5 in.) of the Trailing Edge
        • Periodic Density Fluctuation
        • Entire Image Faint
        • Color Is Too Dense
        • Broken Thin Lines
        • Blurred Images (Convex Lens Shaped)
        • Broken Characters (Dropout)
        • Afterimages
        • White Streaks
        • Vertical White Lines
        • Shock Jitter at the Fusing Unit
      • Glossy Problems
        • Vertical Glossy Lines
        • Insufficient Gloss
      • Blurred Images in Bands
    • Fusing Problems
      • Insufficient Toner Fusing
      • Improving Print Quality with Mixed Paper
        • Conditions Where Image Quality Can be Improved
        • Control Image
      • Paper Edge Friction on the Fusing Belt: Fusing Unit Swapping
    • Paper Delivery Problems
      • Frequent Paper Misfeeds
      • Fusing Unit Separation Plate Accordion Jams
      • Messages Reporting Paper Misfeeds
        • J032 (Thin Paper)
        • J049 (Skew)
        • J050 (Paper Registration))
        • J080 (Paper Slippage)
        • J082 (Thick Paper)
        • J099 (Double Feed)
      • Paper Skew
        • Leading Edge Shift Unit Manual Adjustment
      • False Paper Skew Detection
      • Paper Skew with Vacuum Feeder RT5100
      • Double Feeding
      • False Double Feed Detection
      • Paper Fails to Feed: Common Problems
      • Paper Fails to Feed: Worn Rollers
        • Loss of Friction on Roller Surfaces
        • Main Machine
        • LCIT RT5070/RT5080
        • After Roller Replacement
      • Paper Feed Problems Affecting Image Quality
        • Image Out of Position
        • Image Scaling Error on Side 1 of the Paper
        • Image Scaling Error on Side 2 of the Paper
        • Paper Edges Dirty 1 (Exit Rollers)
        • Paper Edges Dirty 2 (Brushes)
        • Paper Edges Dirty 3 (Drum Speed)
        • Images Scratched, Streaked, Creased
        • Decurling Causes Scratches, Streaks, or Creases
        • Leading or Trailing Edge Margin too Wide
        • Excessive Paper Curl
      • JAM 49, JAM 50
        • Available paper types
        • CIS LED light intensity
        • Other Solutions
      • Paper Jams in the Main Machine
        • Coated Paper Larger than A4
        • Procedure 1
        • Procedure 2
      • Cleaning the Paper Feed Path
        • Cleaning Paper Trays 1-3
        • Cleaning the Paper Feed Path for Paper Trays 1-3
        • Cleaning the Paper Feed Path in the Drawer
        • Cleaning the LCT A3 Paper Feed Path
        • Cleaning the LCT A4 Paper Feed Path
        • Cleaning the Multi Bypass Tray Paper Feed Path
        • Cleaning the Paper Feed Rollers and Paper Feed Belt in the Interposer
        • Cleaning the Paper Feed Unit of the Vacuum Feed LCIT (RT5100)
        • Cleaning the Bridge Unit
      • Finisher Cleaning
        • Areas of Poor Coverage
        • Cleaning Dirty Rollers
        • Cleaning Guide Plates
    • Peripheral Unit Troubleshooting
      • Finisher SR5050/SR5060
        • Delivered Sheets Are Not Stacked Properly
        • Large Paper Not Stacked Properly
        • Trailing Edge of Stapled Sheets Close to the Paper Exit
        • Sheets Cannot Be Stapled Properly
        • Streaks Appear 4 mm Apart on the Leading Edge of the Stacked Paper
      • Multi-Folding Unit
        • Poor Folding
        • Folding Deviation
        • Folds Dirty by Multi-Sheet Folding
        • Edges of Letter Fold Bent
        • Z-Folding Is Not Performed Correctly
        • Folded Sheets Are Not Stacked Properly
        • Matte Paper Scratched During Folding
      • Ring Binder Recognition: SC756-48
      • Vacuum Feed LCIT
        • Frequent Double Feeds, Failures to Feed
        • Double-Feeding (J099, J470, J471, J485, J486)
        • J430, J431,J445, J446, J460, J46
        • Attaching the Magnetic Strip to the End Fence
        • Clean Suction Fan Filter
        • Cleaning the paper feed belt
        • No Feeding
        • Excessive Shift or Skew, Image Skew on Paper
        • Folded Corners with Thin Paper
        • Stack Remains Up
      • Shift Over, Over Skew, Image Skew
        • Attaching the Tab Holder
      • Adjusting Tray Side-to-Side Registration
      • Correcting Skew
        • Skew Correction Method
        • Skew Correction Procedure
      • High Capacity Stacker
        • Delivered Sheets Are Severely Curled
        • Delivered Sheets Are Not Aligned
        • Registration, Skew Adjustment
        • Premature Shift Tray Full Detection
        • Marks Left by the Paper Holder
        • Prevent Loosening of Screws to the Cart's Handle
      • Punch Unit
    • Improving Throughput
      • Reducing Wait Time before Printing
      • Improving Throughput with Coated Paper
      • Reducing Wait Time with Mixed Paper Sizes 1
      • Reducing Wait Time for Mixed Paper Sizes 2
      • Reducing Low Power Mode Recovery Time
    • Other Problems
      • ITB Centering: SC471-03, -04, -05, -06 (ITB Position Errors)
        • Preparation for Lubricant Application Mode
        • Make Sure the Machine is Level
        • Steering Plate Adjustments
        • Countermeasures for Other SC Codes
      • SC325, SC395 Grounding Faults
        • Ground Plates that Require Checks
        • How to Check Ground Resistance with a Multi-meter
        • PCDU Preventive Maintenance: Important Notes
      • SC401 Development Gamma Low Error
      • Tray 1 Does Not Close Completely.
      • False Drum Lubricant Near-end Alert
    • Paper Transport Roller/Rib Maps
      • How to Use These Maps
      • Paper Transport Units
        • Overall Layout
        • Paper Feed 1-1: View A (Right Side)
        • Paper Feed 1-2: View B (Top)
        • Paper Feed 2: View A (Right Side)
        • Paper Feed 3: View C (Left Side)
      • Registration Unit
        • General Layout
        • Registration Unit Rollers: View B (Top)
        • Registration Unit Guide Plate: View B (Top)
      • PTR Unit
        • General Layout
        • ITB Cleaning Unit (Bottom)
        • PTR Unit
        • PTB Unit
      • Fusing Unit
        • General Layout
        • Fusing Exit Guide Plate (Lower)
        • Fusing Exit Guide Plate (Upper)
        • Exit Entrance Guide Plate (Upper)
      • Invert/Exit Unit
        • General Layout
        • Straight-Through Exit 1: View A (Top)
        • Straight-Through Exit 2: View A (Top)
        • Rollers: View A (Top)
        • Invert/Exit: View B (Left)
        • Duplex 1: View A (Top)
        • Duplex 2: View A (Top)
      • Decurl Unit
        • View: Right
      • LCT A3
        • General Layout
        • Paper Transport: Movable Guide Ribs and Rollers: Left View
        • Paper Transport: Tray 5 Transport Fixed Guide Ribs: Left View
        • Paper Transport: Fixed Guide Plate Ribs: Right View
      • Finisher
        • General Layout: Straight-Through to Shift Tray
        • Straight Transport 1: Entrance, Paper Registration
        • Straight Transport 2: Post-Punch
        • Straight Transport 3: Exit to Shift Tray
        • Proof Transport Path Layout
        • Proof Path 1: Entrance, Paper Registration
        • Proof Path 2: Post Punch, Proof Path
        • Proof Path 3: Proof Tray Exit
    • Jam Detection
      • Display
      • Jam Removal
      • Paper Jam Code Logs
        • Checking Logs
        • Jam Display
      • Jam Code Descriptions
        • ADF (Copier Model Onlyl)
        • Main Machine
        • Finisher SR5060/5050
        • Cover Interposer Tray CI5030
        • Trimmer TR5040
        • RPIP Interface Box Type S3
        • Multi Fold Unit FD5020
        • High Capacity Stacker SK5030 (Upstream)
        • Perfect Binder GB5010
        • High Capacity Stacker SK5030 (Downstream)
        • Ring Binder RB5020
        • High Capacity Stacker 1 (Upstream)
        • High Capacity Stacker 2 (Downstream)
        • Vacuum Feed LCIT RT5100
        • Vacuum Feed LCIT RT5100 (2nd)
      • Paper Size Mismatch Codes
    • Fuses
      • RYB (Relay Board)
      • AC Drive
      • PSU-A
      • PSU-B
      • PSU-C
    • LEDs
      • IOB
      • BCU
      • SIO (Copier Model Only)
      • ADF (Copier Model Only)
      • IPU
  • Detailed Description
    • Overview
      • General Layout
      • Paper Paths
        • Main Unit, LCIT
        • Main Unit + Vacuum Feed LCIT RT5100 + Vacuum Feed LCIT RT5100
        • Main Unit + Vacuum Feed LCIT 5100 + LCIT RT5080
        • Paper Path LEDs
      • Electrical Component Layout
        • ADF (Copier Only)
        • Scanner (Copier Only)
        • Laser Unit
        • Around the Drum
        • Toner Supply Unit
        • Toner Collection Unit
        • ITB Unit
        • Fusing Unit
        • Paper Feed Unit
        • Vertical Transport Unit
        • Registration Unit (Main Paper Path)
        • Invert, Exit, Duplex Unit
        • Main Drive Motors
        • Fans
        • Boards
        • Controller Box Fans
    • New Features
      • SDCB Below IOB
      • Heat Pipe Motor
      • Jam Removal Knob
      • New ITB Heater
      • New Ozone Filter.
      • Paper Jam LEDs
      • Paper Feed Unit Separation Roller Nip Adjustment
      • Registration Unit Slide Rails
      • Multi Bypass Banner Sheet Tray Type S3
    • Differences with Previous Machine
      • ADF Double-feed Sensors
      • New Development Roller
      • New Transfer Timing Roller
      • Fans, Filters, Ducts
      • Changes in the Fusing Unit
      • Changes in the ITB Unit
      • More Space behind the PTU for Easier Removal
    • ADF (Copier)
      • Mechanisms
        • Basic Specifications
        • Compatible Originals
        • Configuration
        • ADF Drive Layout
      • Details
        • Original Pickup Mechanism
        • Bottom Plate Mechanism
        • Original Feed Mechanism
        • Skew Correction Mechanism
        • Original Size Detection
        • Original Transport
        • Double-feed Detection (Option)
        • Duplex Scanning
        • Jam Sensor Layout
    • Scanner Unit (Copier)
      • Mechanisms
        • Layout
        • Configuration
      • Details
        • Scanner
        • Scanner Drive
        • Original Size Detection
        • Length Detection
        • Width Detection
        • Dust, Streak Detection
        • Scan Position Shift
        • Anti-condensation Heater (Option)
    • Image Processing
      • Overview
        • Block Diagram
        • Details
    • Laser Unit
      • Overview and Mechanism
        • Overview
        • LD unit Lenses, Motor, Sensors
      • Details
        • LD Unit Mechanism
        • 40-Beam Laser Writing
        • LD Safety Switches
        • Line Scanning (Mirrors, Lenses, Polygon Mirror Motor)
    • Toner Supply Unit
      • Overview and Mechanisms
        • Layout
      • Details
        • Toner Bottle Drive
        • Toner Transport
        • Toner End, Near End Detection
        • Bottle Lock Detection
    • Around the Drum
      • Mechanisms
        • Layout
        • Unit Configuration
        • Mechanical Configuration
      • Mechanisms Around the Drum
        • Layout
      • Details
        • Drum Charge Unit
        • Charge Wire Cleaning
        • Related SP Codes
        • Drum Drive
        • Drum Cleaning Unit
        • Lubricant End Detection
        • Ventilation
    • Development Unit
      • Development Unit Mechanism
        • Layout (Rollers, Motor, Sensors)
        • Unit Configuration
        • Toner and Developer Mixing
        • Developer Unit Drive
        • Ventilation
    • Image Transfer Unit
      • Overview and Mechanism
        • Overview
        • Mechanical Configuration
      • Details
        • Layout (Belt, Motor, Sensors)
        • Drive
        • Transfer Bias
        • ITB and Drum Separation
        • Belt Centering
        • Ventilation
        • ID Sensor Cleaning
        • ITB Heater, Thermostat
    • ITB Cleaning Unit
      • Layout
      • Mechanism
        • ITB Cleaning
        • Lubricant Application
    • Process Control
      • Overview
        • Image Creation Components
      • Process Control Patterns
      • Default Settings
        • At Machine Installation
        • Developer Replacement
        • SP Code Execution
      • Process Control 1: Potential Control
        • Overview
        • Execution Timing
        • Image Creation Conditions at Engine Startup
      • Process Control 2: Toner Supply Control
        • Overview
      • Results Codes
        • Potential Control Result Codes
        • ID Sensor Calibration Results Codes
        • TD Sensor
        • Developer Replacement Results Codes
    • Paper Transfer Roller Unit
      • Mechanisms, Configuration
        • Overview
        • Layout
      • Details
        • Paper Separation Mechanism
        • PTR Cleaning
        • Lubricant Application
        • PTR Lift and Separation
    • PTB Unit
      • Layout
      • Details
        • Air Suction Transport
    • Fusing Unit (1/4)
      • Mechanisms, Configuration
        • Overview
      • Details
        • Heating Roller and Pressure Roller Lamps
        • Fusing Temperature Control
        • Types and Number of Sensors
    • Fusing Unit (2/4)
      • Details
        • Target Temperature (1/2)
    • Fusing Unit (3/4)
      • Details
        • Target Temperature (2/2)
    • Fusing Unit (4/4)
      • Details
        • Fusing Unit SC Codes
        • Sensor Functions
        • Fusing Drive Layout
        • Energy Save Mode
        • Fusing Cleaning Unit
        • Jam Detection
        • Paper Exit
        • Paper Separation
        • Pressure Mechanism
        • Web End
        • Web Near End
    • Paper Feed
      • Mechanism
        • Overview
        • Layout
      • Details
      • Drive Layout
      • Paper Transport Layout
      • Paper Feed and Separation Mechanism
        • Paper Feed and Separation
        • Separation Roller Pressure Release
      • Tray 2, 3 (Universal Trays)
        • Tray Raising and Lowering
        • Upper Limit Detection
        • Paper End Sensor
        • Paper Size Detection
      • Tandem Tray
        • Paper Size Detection
        • Tray Raising and Lowering
        • Paper Remaining Detection
        • Tandem Tray Side Fence Operation
        • Left Tray Rear Fence Operation
        • Left Tray Lock
        • Right Tray Lock
        • Tandem Tray Operation
        • Tray Display During Operation
        • Tray Heaters
        • Tray Handle Lock Mechanism
    • Main Paper Path, Paper Registration
      • Overview and Mechanism
        • Overview
        • Mechanical Configuration
        • Transport Path, Sensor Layout
        • Drive Layout
      • Details
        • New Paper Jam LEDs
        • Double-feed Detection
        • Roller Release
        • Skew Correction
        • Main Scan Registration (Image Vertical)
        • Related SP Codes
        • Sub Scan Registration (Image Horizontal)
        • Paper Dust Collection
        • CIS Cleaning
    • Paper Invert, Exit, Duplex
      • Overview and Mechanism
        • Overview
        • Layout
      • Details
        • Drive
        • Paper Cooling
        • Heat Pipe
        • Straight-Through Output
        • Invert/Exit (Face-down Delivery)
        • Exit Guide Plate Lock Mechanism
        • Paper Purge
        • Duplex Drive
        • Duplex Transport
        • Interleave
    • Used Toner Collection Unit
      • Overview
      • Mechanical Configuration: Used Toner Collection
      • Used Toner Transport Mechanism
        • Used Toner Path
        • Used Toner Collection Bottle Transport
        • Switches and Sensors
        • Used Toner Bottle Near-Full, Full Detection
    • Boards
      • Layout
        • Main Machine: Rear
        • Controller Box
        • Controller Box (Reverse Side)
        • ITB Unit
        • Registration Unit
      • Board Circuit Diagram
      • Summary of Board Functions