PCDU

Items

950K

1900K

EM

Remarks

PCU (OPC DRUM)R   

Quenching Lamp

 

C 

Blower brush

Dry cloth

Potential Sensor

 

C 

Blower brush

Development Unit (Gears)

 

C 

Dry cloth

Development Unit

 

C 

Dry cloth

Developer Exit C  

Doctor Blade

 

C  

Toner Supply Unit

 

C 

Blower brush

Dry cloth

Vent Filter

 

C  

Charge Unit

Items

950K

1900K

EM

Remarks

Grid

R

   

Corona Wire

R

   

Grid Cleaner

R

   

Wire Cleaner

R

   

Wire Tension Spring

R

   

Corona Wire Cushion

R

   

PCU Cleaning Unit

Items

950K

1900K

18000K

EM

Remarks

PCU Cleaning Roller

 

R

   

PCU Cleaning Blade

R

    

PCU Cleaning Lubrication Roller

 

R

   

PCU Cleaning Lubrication Blade

R

    

Lubricant Bar

 

R

   

PCU Cleaning Collection Blade

 

R

   
Toner Collection Coil  R  
Gears in the PCU Cleaning Unit  R  
Gears in the PCU Cleaning UnitL   Lubricate with the grease (Barrierta S552R) after replacing the PCU cleaning gears.
PCU Cleaning Bearings L  Lubricate with the grease (Barrierta S552R).
Lubricant End Detection Switch C  Clean with vacuum cleaner.

 Remarks: Apply the grease (Barrierta S552R) to gears and seven bearings at optimum timing (standard timing for applying the grease: 950K).

For procedure, see the following sections in Main Chapters.

  • 4. Replacement and Adjustment > Around the Drum > Applying the Grease to the Gears of PCU Cleaning Unit
  • 4. Replacement and Adjustment > Around the Drum > Applying the Grease to the Bearings of the PCU Cleaning Unit

[A]:

  • PCU Cleaning Blade: 950K
  • PCU Cleaning Roller: 1900K
  • PCU Cleaning Collection Blade: 1900K

[B]:

  • PCU Cleaning Lubricant Blade: 950K
  • PCU Cleaning Lubrication Roller: 1900K
  • Lubricant Bar: 1900K

 

Intermediate Transfer Belt Unit (ITB)

Items

950K

1900K

2800K

5600K

EM

Remarks

Intermediate Transfer Belt   R  
Image Transfer Roller (KCMY) R    
Paper Transfer Bias Roller R    
ITB Brush Roller  R   

ITB Unit Internal Rollers

 

C*1

   

Dry cloth

ITB Motor Drive Gears

 

L

   

Lubricate with the grease (Molykote EM-50L (Dow Corning Toray Co.,Ltd.)).

ITB Belt Centering Sensor

C

    

Blower brush

Paper Transport Belt (PTB)

C

    

Dry cloth

Developer Holder

C

    

Dry cloth

ITB HolderC    Blower brush
ITB Belt Speed SensorC    

Vacuum cleaner
Blower brush

ITB Brush RollerC    Vacuum cleaner
ITB Cleaning BrushC    Vacuum cleaner
ITB Timing ScaleC*2    Dry cloth
Belt Centering HP Sensor / Belt Centering Overrun Sensor (Front / Rear)C    Blower brush
Image Transfer Entrance Guide PlateC    Damp cloth

Remarks: You need to apply the grease (Molykote EM-50L (Dow Corning Toray Co.,Ltd.)) at 1900K to ITB motor drive gears. Make sure to apply the grease.

For procedure, see the following section in Main Chapters.

  • 3. Preventive Maintenance > Lubrication Points > Intermediate Transfer Belt (ITB) Unit > ITB Motor Drive Gears

 

*1: The following rollers need cleaning.

  • Tension Roller
  • ITB Lubrication Opposing Roller, ITB Cleaning Opposing Roller, Paper Transfer Bias Roller
  • Press Roller, Transfer Sub Roller
  • Drive Roller, Idle Roller 1-4, ITB Belt Centering Roller

*2: Remove the belt before cleaning.


ITB Cleaning Unit

Items

950K

1900K

2400K

EM

Remarks

ITB Cleaning Roller

R

   

 

ITB Cleaning Blade

R

   

 

ITB Cleaning Collection Roller 3

R

   

 

Slider on the ITB Cleaning Vibrating Plate

R

   

 

 

ITB Lubrication Unit

Items

950K

1900K

2400K

EM

Remarks

ITB Lubrication Roller

R

    

ITB Lubricant Bar

R

    


Paper Transfer Unit (PTR)

Items

950K

1900K

2400K

EM

Remarks

Static Electricity Brush RollerR    
Static Electricity Collecting RollerR    
Static Electricity Cleaning BladeR    
Paper Transfer Cleaning Blade 2R    

Paper Transfer Belt

R

    

Paper Transfer Lubricant Bar

R

    

Paper Transfer Lubrication Roller

R

    
Paper Transfer Cleaning Blade 1R    
Paper Transfer Entrance PlateC   Dry cloth
Paper Transfer Exit PlateC   Dry cloth
ID/MUSIC Sensor (TM/P Sensor)C   Damp cloth

Fuser Unit

Items

600K

950K

1200K

1900K

18000K

EM

Remarks

Fuser Belt

  

R

    

Fusing Roller

   

R

   
Fusing Roller Drive Gear    R  

Pressure Roller

  

 

R   

Cleaning Web

R

      

Thermistor

   

R*1

   

Fusing Separation Subunit

  

R

    

Smoothing Roller

  

R

    
Fusing Roller Gear (Rear)    R  
Heating Roller Thermopile C    Blower brush
Separation plate I/C*2     
Pressure Roller Pick-off Pawls     I/CDry cloth
Fusing Unit Entrance Guide I/C    Dry cloth
Fusing Roller Drive Gears (Upper and Lower)   L  Lubricate with the grease (FLUOTRIBO MG Grease).
Fusing Drive Gear Shaft    L Lubricate with the grease (FLUOTRIBO MG Grease).
Pressure Roller Drive Gears   L  Lubricate with the grease (FLUOTRIBO MG Grease).
Heating Roller Slip Ring  L   Lubricate with the grease (Barrierta S552R).
Sliding Parts of the Pressure Roller Bearing   L  Lubricate with the grease (Barrierta S552R).
Pressure Stopper   L  Lubricate with the grease (Barrierta S552R).
Fuser Belt Smoothing Roller Gear  L   Lubricate with the grease (FLUOTRIBO MG Grease).
        

*1: The following thermistors need replacement.

  • Hot Roller Core Thermistor
  • Heating Roller Thermistor (Edge)
  • Fusing Belt Thermistor (Edge)

Remarks: You need to apply the grease at 1900K to fusing roller drive gears and relating parts.

For procedure, see the following section in Main Chapters.

  • 3. Preventive Maintenance > Lubrication Points > Fuser Unit

 

*2: The following plates need cleaning with a dry cloth.

  • Pressure Roller Exit Plate (Lower)
  • Fusing Unit Separation Plate


Filters

Items

950K

1200K

1900K

EM

Remarks

Dust FilterR    
Ozone Filter R   

Development Filter

C

   

Clean with a vacuum cleaner.

PSU Filter

C

   

Clean with a vacuum cleaner.

Controller Filter

C

   

Clean with a vacuum cleaner.

Ozone Filter

C

   

Clean with a vacuum cleaner.

VOC Filters

C

   

Clean with a vacuum cleaner.


Paper Tray

Items

100K

300K

500K

7000K

EM

Remarks

Paper Feed Belt (Tray 1/2)

I/C*1   

R

  
Transport GuideI/C*1    With a damp cloth (when stains are there)
Feed Roller / Transport Roller (Drive/idle)I/C*1    With a damp cloth (when stains are there)

Sensors

  • Paper feed sensor
  • Paper transport sensor
  • Exit sensor
  • Upper limit sensor
  • Paper remaining sensor
  • Paper end sensor
I/C*1    Blower Brush (remove paper dust)
Side Fence RailI/C*1    Blower brush

*1 clean it if necessary


Paper Transport

Items

450K

950K

1200K

7000K

EM

Remarks

Registration Timing Roller (Drive/Idle)

 

I/C

   

Clean with dry cloth for drive roller. Clean with alcohol for idle roller.

Registration Unit Internal Rollers

 

I/C*1

   

Clean with dry cloth for drive roller. Clean with alcohol for idle roller.

Transport Guide Plate

 

I/C

   

Dry cloth

Registration Timing Sensor

 

I/C

   

Blower brush

Paper Transport Sensors

 

I/C*1

   

Blower brush

Dust Collection Tray

 

C

    

URRB (Double-Feed Sensor: Receptor), URTB (Double-Feed Sensor: Emitter)

 

I/C

   

Blower brush

CIS Contact Glass

 

C

   

Dry cloth

PTB Transport Sensor 1-4

 

I/C

   

Blower brush

Vertical Transport Sensor (Tray 1/2) I/C    
Paper Feed Sensor (Tray 1/2) I/C    

*1: The following rollers and sensors need cleaning.

  • PTR Timing Roller (Drive/Idle)
  • Shift Roller (Drive/Idle)
  • LCT Relay Sensor, Registration Entrance Sensor 1-3
  • Paper Transport Sensor 6, Paper Transport Roller 13-15 (Drive/Idle)
  • Paper Transport Sensor 5, Paper Transport Roller 10-12 (Drive/Idle)
  • Paper Transport Roller 7-9 (Drive/Idle)
  • LCT Relay Roller, Registration Entrance Roller 1-3 (Drive/Idle)
  • Paper Transport Sensor 7, Paper Transport Roller 16 (Drive/Idle)


Optic

Items

450K

600K

950K

1900K

EM

Remarks

Toner Shield Glass

  

C

  

Dry optical cloth


Waste Toner Bottle

Items

230K

950K

1200K

1900K

EM

Remarks

Waste Toner Bottle

R

     

 

Duplex Unit

Items

450K

950K

1200K

1900K

EM

Remarks

Paper Transport Rollers (Drive/Idle)

 

C*1

   

Dry Cloth

Paper Transport Sensors

 

I/C*1

   

Dry Cloth

*1: The following rollers and sensors need cleaning.

  • Paper Transport Sensor 2-3, Paper Transport Roller 3-6 (Drive/Idle)
  • Paper Transport Sensor 1, Paper Transport Roller 1-2 (Drive/Idle)
  • Duplex Transport Sensor 1-2, Duplex Transport Roller 1-3


Paper Exit

Items

450K

900K

950K

1200K

1900K

EM

Remarks

Paper Exit Rollers (Drive)

  

C*1

   

Dry Cloth

Paper Exit Rollers (Idle)

  

C*1

   

Dry Cloth

Paper Cooling Belt

 I/C

 

   

Damp cloth

Discharge Brush

 C

 

   

Blower brush

Paper Exit Sensors (Drive/Idle)

  

I/C*1

   

Dry Cloth

*1: The following rollers and sensors need cleaning.

  • Paper Exit Inverter Sensor, Paper Exit Inverter Roller (Drive/Idle), Inverter Exit Roller (Drive/Idle)
  • Paper Exit Sensor, Paper Exit Roller (Drive/Idle), Paper Exit Relay Roller (Drive/Idle)


Image Transferring Reading Module

Items

450K

950K

1200K

1900K

EM

Remarks

TIM-Red Lens Block    RReplace at about 4500 hours (exposure time)
TIM-Red Exposing Unit    RReplace at about 4500 hours (exposure time)

TIM-Mag Contact Glass

 

C

   

 

Revolver (TIM-Mag) C    
TIM-Red Contact Glass C    
Revolver (TIM-Red) C    
TIM-Red Scanner Exposure Glass C    
Measuring Roller C    
Upsteam / Downstream Measuring Sensor (T-ACT Sensor) I/C