Question about OKI C3400n Laser Printer

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"Any way to reset the toner empty sensor on aficio 1800 l2 ? I installed a new cyan toner but the..."

I want to stop every time load toner.

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Soulvisitor
  • 1113 Answers

SOURCE: toner sensor problems

On the base of machine after removing drums and transport, there are 4 sets of 3 pins that connect to left hand bottom of each drum, these can get toner on them and not make proper contact, each set of 3 pins just pop out with the help of a flat blade, out of base to be cleaned. in yout case just switch the set under the cyan with another lot from different colour.

I am taking it that you are using genuinne non imported oki drum and toner. If this doesnt fix your problem then you must have fauly drum/toner

Posted on Nov 13, 2007

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SOURCE: toner sensor problems

Hi i have the solucion a error of sensor black oki c3100. For two times i have the problem and a long time study the problem. it´s the solucion. Because i spanish the solution is in spanish languaje.
Desmontar la tapa semitransparente redonda del lateral.
El sensor lleva un iman incorporado que dice a la impresora cuando el toner se a agotado. El polvo de impresion lleva impurezas o las ponen a proposito y hacen que el iman no pueda levantar la leva que hace contanto con el sensor. Con un destornillador limpiar las impurezas que estan pegadas al iman por dentro del toner. Cerrar y listo. YA FUNCIONA JAJAJAJAJAJAJAJA.

Posted on Apr 25, 2008

  • 4 Answers

SOURCE: Toner Sensor Error - Cyan. I got this error after

If you have a lexmark disregard this because their printers wont reconigze most refilled ink cartriges even if its done by proffesionals such as wal-mart est. (warranty also does not cover refils you'd need to buy a new one) what you need to do is take it and get it checked to see if they put the coulor ink in right if they did, then gently wipe the sensor on the printer, and the brass part of the ink cartridge above the ink part, put it back in and see if that works. And lastly go to your printers driver and see if you can reset the toner levels from there manually, if you cant try turning off the sensors or tricking it (google various methods) or buying new cartridge

Posted on Apr 23, 2009

  • 2 Answers

SOURCE: Any way to reset the toner empty sensor on C 3400?

THIS POSSIBLE SOLUTION IS FOR AN OKIDATA C3400N PRINTER ONLY.

You can try taking out the complete toner & drum assembly for the Cyan (or any you have this problem with). To do that you open the top and just lift the recalcitrant assembly straight up. Once it is out, with it oriented exactly as you lifted it out, look on the RIGHT end of the assembly for a small rectangular window - about 1/4" square. It should be about 3/4" below the two metal contact points on that end - near the top that you lifted out about the same level as the toner itself. In that hole, if it looks like the opening is covered (just inside) by a bit of black plastic, take a pointed object (like a straightened paper-clip) and try gently to lift this plastic piece UP - don't stick the clip in too far. If you gently do this (may take a try or two) that piece of plastic should stay UP - allowing you to see a bit farther inside. Replace the assemble, close the door and let the printer recycle.

Just to help you understand what may be happening - this little piece of plastic is supposed to start in the UP position when the toner is new. Eventually, as the toner becomes used up, the piece of plastic is designed to gradually drop down and eventually block the sensor - indicating to the printer that the toner is spent.

I have had this happened to me several times with new toner cartridges - especially with the non-OKI OEM knock-off "compatible" toners. This has always worked for me - but no guarantee it will for you!

The other possibility of course is that you actually have a bad toner, which trying this should help to confirm.

Posted on Jan 23, 2010

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Ricoh aficio 2105 waste toner full indicates even if it was already empty, cleaned the bottle sensors still indicates full, how am i going to reset it?


Make sure the 2 waste toner are empty.
You have 2 bottles of waste.
1- Next the papaer trays
2- Next the development Unit

May 25, 2011 | Ricoh Aficio 2015 Copier

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Aficio CL1000N Printer: On my Ricoh aficio CL1000N it says add toner Cyan....


If I remember right, the CL1000 won't print if any of the 4 colors are out. You have to replace the cyan toner in order to print, even in black and white.

If you haven't tried already, you can try taking the cyan toner out and shaking it up (just a little bit) to try to get the printer to find the little bit of toner left in the bottle.

May 16, 2010 | Ricoh Aficio CL1000N Printer

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Any way to reset the toner empty sensor on C 3400? I installed a new cyan toner but the sensor shows it as empty.


THIS POSSIBLE SOLUTION IS FOR AN OKIDATA C3400N PRINTER ONLY.

You can try taking out the complete toner & drum assembly for the Cyan (or any you have this problem with). To do that you open the top and just lift the recalcitrant assembly straight up. Once it is out, with it oriented exactly as you lifted it out, look on the RIGHT end of the assembly for a small rectangular window - about 1/4" square. It should be about 3/4" below the two metal contact points on that end - near the top that you lifted out about the same level as the toner itself. In that hole, if it looks like the opening is covered (just inside) by a bit of black plastic, take a pointed object (like a straightened paper-clip) and try gently to lift this plastic piece UP - don't stick the clip in too far. If you gently do this (may take a try or two) that piece of plastic should stay UP - allowing you to see a bit farther inside. Replace the assemble, close the door and let the printer recycle.

Just to help you understand what may be happening - this little piece of plastic is supposed to start in the UP position when the toner is new. Eventually, as the toner becomes used up, the piece of plastic is designed to gradually drop down and eventually block the sensor - indicating to the printer that the toner is spent.

I have had this happened to me several times with new toner cartridges - especially with the non-OKI OEM knock-off "compatible" toners. This has always worked for me - but no guarantee it will for you!

The other possibility of course is that you actually have a bad toner, which trying this should help to confirm.

Dec 15, 2009 | OKI C3400n Laser Printer

1 Answer

Toner not reseting. i installed 2 new toners Cyan and Magenta and still says toner out. i reset the unit, and from the browser. unit is Aficio sp c420dn


Check to see if anything is broken around where the toner fits into the machine I recently had a customer break the piece that holds the toner in place. The machine symptom was that the toner did not lock into place like the other ones did.. GOOD LUCK

May 02, 2009 | Office Equipment & Supplies

2 Answers

SC 366 on CL4000DN


cyan problem --check if cyan pcu is set properly or replace cuan pcu(drum)

Feb 05, 2009 | Ricoh CL4000DN Laser Printer

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Toner problem


R u using gen OEM toners?

Dec 28, 2007 | Ricoh Aficio AP3800C Laser Printer

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Toner sensor problems


sensor window on the drum is closed - or the r/h side of the printer has a sensor that needs cleaning.

Dec 24, 2007 | OKI C3100 Led Printer

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