Question about Epson ACULASER CX11NF All-In-One Printer

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WHAT CAN I DO WHEN WORN YK DEV UNIT MESSAGE APPEARS

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  • 63 Answers

People think about it. Contact the manufacturer of your specific model for the error codes or order an manual from them. Most people seem to soft to actually do the research. If a company has fallen from grace I can see the extra outreach but look it up. I can.

Posted on Apr 22, 2015

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Posted on Jan 02, 2017

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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

2 Answers

Replace Color Dev. Unit (Type B) alert


You stated message said replace dev units. Why did you replace the PCU's? There is a difference. The color pcu's can go into any color slot but the deverloper units can only go in one slot. The dev units have a u shaped green plastic part on the front of them and just slide out. The pcus have a little lever and have to be released.

May 26, 2009 | Ricoh Aficio CL7200 Laser Printer

1 Answer

Problem with keyboard


your problem is sticky key on.now you do this,fist you press shift key 5 times now sticky key message will be come now click on setting and unchack all 4 option and apply your problem will be solved.thank you please rate my solution.

Dec 22, 2008 | Computers & Internet

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

Worn K Dev Unit - can I get service for the CX11NF in the Greater Vancouver BC area?


If Epson have provided you with a new Dev unit ( black plastic thing with a roller and black powder in it), get a service manual so you can install it. It is VERY straight forward and if you can use a screw driver and have opposable thumbs, you should be able to do it about 20 minutes.

Try this place for a manual

May 01, 2008 | Epson ACULASER CX11NF All-In-One Printer

2 Answers

Ricoh CL7000


You NEED to REPLACE the black development unit with a BRAND NEW item......these things are chipped so it won't accept previously installed units.If the problem still exists try a new PCU (toner cartridge).

Apr 04, 2008 | Ricoh Aficio CL7000 Laser 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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