CLX-6240FX & CLX-6200FX series Toner cartridge - PowerPoint PPT Presentation

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CLX-6240FX & CLX-6200FX series Toner cartridge

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CLX-6240FX & CLX-6200FX series Toner cartridge
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CLX-6240FX & CLX-6200FX series Toner cartridge

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  1. CLX-6240FX & CLX-6200FX series Toner cartridge

  2. Agenda • Outline • Composition & Function • Maintenance • Printing problems & Solutions

  3. Ⅰ.Outline Objectives • Understanding the basic structures and function of each parts at toner cartridge • Checking & building ability to deal with various problems about picture.

  4. Ⅱ. Composition & Function Toner Cartridge OPC Coupler Black Toner Cartridge Cyan Toner Cartridge Magenta Toner Cartridge Yellow Toner Cartridge PTB Unit Handle OPC Drum Hinge Front pressure Spring Front Cover Shaft OPC High voltage contact point (Supply Roller) CRUM LSU Beam window High voltage contact point (Charge Roller) Cartridge guide High voltage contact point (Developing Roller)

  5. Ⅱ. Composition & Function Toner Cartridge Developing method: Non-magnetic 1 element non-contacting method Toner: Non magnetic 1 element shatter type toner (Average Dia. 0.8㎛) The life span of toner cartridge : 5,000(YMC)/5,500(K) Sheets (N/N, Simplex, ISO/IEC 19798 standard pages) Shaft OPC OPC Drum Cleaning Blade Charge Roller Waste toner tank Dr. Blade LSU Beam Gap maintenance (200um) Supply belt supporter Developing roller Supply belt Driving shaft Toner tank Supply roller Supply belt

  6. Ⅱ. Composition & Function Toner Cartridge OPC Cleaning: Collect the toner by using Cleaning Blade (urethane) OPC Drum protecting Shutter : No (Take care of impact) High voltage contact point (Charge Roller)

  7. Ⅱ. Composition & Function Toner Cartridge Method of Toner supply : Toner is transported to the developing roller by supply belt Regulating Toner level : Regulating Toner level by SUS. Blade Maintenance of developing gap : Maintenance of developing gap by Gap-ring which is located at the ends of developing roller Pressure Spring Driving Gear Case Developing Roller Sus. Blade Gap-Ring High voltage contact point (Developing Roller) High voltage contact point (Supply Roller)

  8. Ⅱ. Composition & Function Handle-Unit Paper Transfer Belt PTB Drive Gear(Coupling) Drive Roller PTB Draw Connector Paper Path Paper Charge Roll Transfer material PTB Unit PTB Unit PTB Unit (Paper Transfer Belt Unit) TANDEM Method Paper Transporting Unit by using Paper Transfer Belt Belt Driving Method : Friction Driving by Drive Roller The Life Span : Print over 50,000 sheets (in 15~30 ℃)

  9. Ⅱ. Composition & Function Duplex Ass’y Transfer Roller Bk Transfer Roller C Cleaning Backup Roller Cleaning Blade Transfer Roller M Waste Toner Tank Transfer Roller Y Tension Roller PTB Unit PTB Unit PTB Unit (Paper Transfer Belt Unit) Belt Cleaning : Collect the toner by using Rubber Blade Management of waste toner : The Waste Toner Tank Be equipped

  10. Ⅱ. Composition & Function ACR Sensor PTB Drive Roller Terminals in Transfer Roller Terminal in PCR PTB Unit PTB Unit PTB Unit (Paper Transfer Belt Unit) Transfer Voltage Control : ADC Control on Electric Sponge Roller Accomplishing Auto Color Registration By sensor in Handle-Unit

  11. Ⅲ. Maintenance Replacement of toner cartridge • Because these is not OPC protecting shutter, picture is affected by OPC light fatigue. Don’t open the right cover for a long time. • Although Toner Cartridges are equipped at each color space, caution message could be displayed by CRUM information. • When toner cartridge replace, PTB belt could be damaged.

  12. Ⅲ. Maintenance • Using the handle, Completely open the access door. • Press the green release button on the inside of the access door to release the transfer belt. • Holding the handle on the transfer belt, lift the used transfer belt out of the printer. • Take a new transfer belt out of the package. PTB Unit Release Lever • Remove the paper covering the transfer belt by removing the tape. • Holding the handle on the new transfer belt, align in with the slots on the inside of the access door. Push down until it clicks into place. • Then lower the transfer belt until it is parallel with the access door and firmly seated.

  13. Ⅲ. Maintenance Difference of Original & Refill Cartridge Original Cartridge Release Lever Refill Cartridge

  14. Ⅳ. Printing Problems &Solution Objectives • Building ability to deal with various problems raised in the field by reviewing troubleshooting. • Check the solution of each problem .

  15. Ⅳ. Printing Problems &Solution Printing Problems 1. Vertical Black Line and Band Description: 1. Straight thin black vertical lines occur in the printing 2. Dark black vertical bands occurs in the printing Check and Cause Solution • Damaged developer roller, deformed Doctor-blade or cleaning blade in the toner cartridge. • Scratched (Contaminated) surface of the charge roller in the toner cartridge. • Damaged Paper Transfer Belt (PTB) or contaminated on PTB. • Contaminated on Paper Charge Roller. • Replace the toner cartridge and test again • Replace the toner cartridge and test again • Replace the PTB unit and test again • Replace the PTB unit or Cleaning the paper charge roller

  16. Ⅳ. Printing Problems &Solution Printing Problems 2. Vertical White Line Description: White vertical voids in the image. Check and Cause Solution • Contamination of the window or internal lenses of LSU mirror. • Foreign object inside the toner cartridge. • Scratch of OPC Drum • Clean the LSU window with recommended cleaner(IPA). Clean the window with a clean cotton swab. If dir is inside the LSU-replace LSU. • Replace the toner cartridge. • Replace the toner cartridge.

  17. Ⅳ. Printing Problems &Solution Printing Problems 3. Horizontal Bands Description: Dark or white horizontal stripes occur in the printing periodically (These may occurs at regular intervals down the page.) Check and Cause Solution • Bad contacts on the toner cartridge high voltage terminals. • The rollers in the toner cartridge may be contaminated • Charge roller – 26.7 mm • Supply roller – 41.0 mm • Develop roller – 32.5 mm (K) • 30.6 mm (YMC) • Transfer roller – 43.9 mm (PTB inside) • Paper charge roller – 37.5 mm • OPC Drum – 75.4 mm • Fusing Belt – 127.0 mm • Contamination of the Gap-Ring - regular intervals 39.0mm • Clean all HV terminals in the cartridge and on the set frame. Ensure all toner or paper dust, particles are removed.. • Replace the toner cartridge. • Replace the toner cartridge

  18. Ⅳ. Printing Problems &Solution Printing Problems 4. Black/White Spot Description: 1. Dark or white spots occur periodically in the printing Check and Cause Solution • OPC drum & rollers in the Developer, charger or Fuser may be damaged and contaminated with foreign matter or paper particles. • Charge roller – 26.7 mm • Develop roller –(K) 32.5 mm • (YMC) 30.6 mm • Paper charge roller – 37.5 mm • OPC Drum – 75.4 mm • Fusing Belt – 127.0 mm • Replace the toner cartridge and test again • Replace the Fusing unit and test again

  19. Ⅳ. Printing Problems &Solution Printing Problems 5. Dark image or Black Description: The printed image is dark. Check and Cause Solution • No charge voltage in the engine board. • Charge voltage fault due to bad contact between toner cartridge and set contacts. • Check the state if the connector which connects the engine board and HVPS.. • Clean the high voltage charge terminals.

  20. Ⅳ. Printing Problems &Solution Printing Problems 6. Uneven Density Description: Print Density is uneven between left and right. Check and Cause Solution • The pressure force in the left and right springs of the transfer roller is not even, the springs are damaged, the transfer roller is improperly installed • The life of the Toner Cartridge has expired. • The toner level is not even in the toner cartridge roller due to the damaged blade or low toner. • 4. Inferior Toner Cartridge pressure spring force. • Replace the PTB Unit • Replace the toner cartridge • Replace the toner cartridge • Replace the toner cartridge

  21. Ⅳ. Printing Problems &Solution Printing Problems 7. Ghost Description: Ghost occur at 75.4mm intervals of the OPC drum or 30.6(YMC)/32,5(K)mm intervals of the developing roller in the whole Printing Check and Cause Solution • Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the one in the HVPS board • The life of toner cartridge is expired. • PTB unit life(50,000 sheets) has expired. • Damaged cleaning blade in the toner cartridge • Clean all HV contacts. If problem persist replace the HVPS. • Replace the toner cartridge • Check the PTB unit lifetime and replace it. • Replace the toner cartridge

  22. Ⅳ. Printing Problems &Solution Printing Problems 8. Strain in the Face of the Page Description: The background on the face of the printed page strained Check and Cause Solution • Toner leakage due to improperly sealed toner cartridge. • Poor Toner cartridge OPC cleaning. • Replace the toner cartridge. • Replace the toner cartridge

  23. Ⅳ. Printing Problems &Solution Printing Problems 9. Strains on Back of Page Description: The back of the page is strained Check and Cause Solution • PTB Cleaning Defect • PTB belt damage • Replacing PTB Unit • 2. Replacing PTB Unit

  24. Ⅳ. Printing Problems &Solution Printing Problems 10. Blank Page Print out Description: Blank page is printed Check and Cause Solution • Bad ground contacts in OPC and/or toner cartridge. • Not working the LSU • Not working the developing bias voltage on HVPS • Check the terminal of Ground-OPC • Check the connecter of LSU • Check the HVPS B’d

  25. Ⅳ. Printing Problems &Solution Table. Periodic Images according to Rollers No Roller Period Phenomenon 75.4 mm 1 OPC Drum White and Black Spots 2 Charge Roller 26.7 mm White /Black Spot and Periodic Band 3 Supply Roller 40.8~41 mm Periodic Band (by little difference of density) 4 Developing Roller 30.6 mm (YMC) White Spot, Horizontal black band 32.5 mm (K) 5 Transfer Roller 43.9 mm Periodic Band (by little difference of density) 6 Gap-ring 39.0mm Periodic Band 7 Fusing Belt 127.0 mm White /Black Spot