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Worn CMYK Dev unit - Epson Aculaser C1100 Printer

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tigertail
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SOURCE: printer shows worn dev unit what is this please

The dev unit (developer) is the part that the ink toner cartridge fits into, one for each colour (K-black, C-cyan, Y-yellow, M-magenta). Two things wear out on dev units, the bearings at each end of the developer roller or the roller itself. The roller is made of metal and is magnetised so a thin film of toner sticks to it, the magnet is recharged by electrical "rubbing" contacts inside the printer as the drum rotates. Gradually the contacts rub away and so the roller loses its magnetism, this will be noticed by an increasing amount of toner being spilled inside the printer. The roller bearings speak for themselves, gradually the roller will become more & more difficult to turn smoothly and so the toner will not be evenly distributed. The only way to fix this is to replace the worn dev units although cleaning the contacts will help to preserve their life.

Posted on Jul 08, 2009

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Toshiba error cf20


things to check...Revolver Motor No Good ( if it's got a gold coloured gear it's the old type, new type has a dark grey gear ) this has been the biggest cause of CF20 i've had. Revolver Backlash ( does it rock backwards & forwards slightly when operated by hand? ) , this can be adjusted with the screws on the revolver motor. but make sure to not end up with the revolver too tight. Teeth missing on Revolver unit. ( it only takes one or 2 missing ) Colour Dev ( s ) worn Colour Dev drive gear / clutch worn ( or bushings very tight ) Colour ATS U/S Solenoid Dirty for Colour ATS ( inside ) Spring for Colour ATS return Stretched / Incorrectly fitted / Damaged I tend to check the Motor 1st, the list could go on, but these i find to be the most common causes.

Jul 22, 2013 | Office Equipment & Supplies

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When ever we try to print or copy it always jams at the exit feeder, and always has huge black smears all over the far end of the page.


Hi this issue is going to be an issue with the exit sensor and fuser unit will cause black smears check the fuser unit rollers if worn replace the fuser unit assembly

Feb 16, 2011 | Sharp SF 2040 Copier

1 Answer

How do you clean the head on my cl3500n


the cl3500 is a laser printer and as such doesnt have a head per se.
you can remove the dev units and the k and cmyk pcu's and the image belt and using a flash light and a lint free cloth shine the light upwards and clean the led array, but typically if you have quality issues it will be either or all of the consumables which can be purchased from ricoh direct or from
http://www.katun.com/downloads/PrinterConsumables052009-NA.pdf

if this resolves your query please rate my answer accordingly

regards

Aug 05, 2009 | Ricoh Aficio CL3500N Laser Printer

1 Answer

I replaced toner and now light print


you need to replace the K pcu and if the unit has 60K prints all of the consumables need replacing CMYK drums CMYK Developers and the imaging transfer belt and fuser unit

Jul 08, 2009 | Ricoh Aficio CL3500N Laser Printer

1 Answer

Printer shows worn dev unit what is this please


The dev unit (developer) is the part that the ink toner cartridge fits into, one for each colour (K-black, C-cyan, Y-yellow, M-magenta). Two things wear out on dev units, the bearings at each end of the developer roller or the roller itself. The roller is made of metal and is magnetised so a thin film of toner sticks to it, the magnet is recharged by electrical "rubbing" contacts inside the printer as the drum rotates. Gradually the contacts rub away and so the roller loses its magnetism, this will be noticed by an increasing amount of toner being spilled inside the printer. The roller bearings speak for themselves, gradually the roller will become more & more difficult to turn smoothly and so the toner will not be evenly distributed. The only way to fix this is to replace the worn dev units although cleaning the contacts will help to preserve their life.

Jul 08, 2009 | Epson Aculaser C1100 Printer

1 Answer

Afficio 450 or gestetner 3245 calibration


Dev. Change Process

1. Check that Dev. unit has the lastest seals.
2. replace dev. material.
3. Dump dev.
4. add new dev. material.
5. Hand rotate the dev. unit 10 times.
6. reinstall the dev. unit into machine.
7. cover the toner inlet opening with a piece of paper
8. insert PCU unit.
9. turn the machine on.
10. When machine reaches ready -- enter SP modes and perform SP-2801 (2 times)
11. open the right cover of the machine. Cheat the right cover switch. Examine the drum as it rotates. Afew bands of toner and the ID pattern will be developed on the drum. The drum should be clean -- a slight dusting on the drum is OK.
12. Perform SP-3001 -- ID sensor initial setting.
13. ** Important** remove the PCU unit. Empty the toner from the PCU by sliding the shutter on the bottom of the PCU to the side and tapping the PCU.
14. reinstall the PCU.
15. Run test copies.

Pls rate -- thank you

Mar 02, 2009 | Ricoh Aficio 450 Copier

1 Answer

Ricoh CL7000


Do a stop test using a document with CMYK content across whole document. Remove and examine M dev and drum and also check the master belt etc. The first component with the pink line on is most likely the faulty one.

Aug 20, 2008 | Ricoh Aficio AP3800C Laser Printer

1 Answer

Error Messages


The false Jam at MP E is a common error caused a manufacturing error/problem. You can download a solution to this problem HERE.

The K dev unit error can only be removed by replacing the dev and completing the service mode adjustments. A service manual will help you with this issue. Get one HERE.

Jun 06, 2008 | Epson Aculaser C1100 Printer

2 Answers

Epson aculaser1100


Replace the yellow Dev unit. This will most likely eliminate this problem. They have a life span and I am replacing then on machines less than a year old on occasion.

Sep 21, 2007 | Epson Aculaser C1100 Printer

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