Question about OKI C3400n Laser Printer
Posted by Anonymous on
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Posted on Jan 02, 2017
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
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
Check the little switch/door on the right hand side of the drums.
This has worked successfully for me.
After replacement of a C3530 Image Drum, the message, "Toner Sensor Error" is displayed.
The plastic shutter in the ID is fully or partially covering the toner sensor window.
Move the cover upward to allow for the sensor to become fully exposed prior to reinstalling the drum.
Posted on Dec 07, 2008
SOURCE: Have an OKI Printing Solution
Found this at Fixyourownprinter.com
1. Turn machine on while pushing and holding the TWO up/down menu buttons at same time.
2. Menu window will show "OKI USER"
3. Scroll to " Engine Dialog Mode" is indicated. Push Enter button.
4. "Diagnostic Mode xx.xx.xx S-Mode is indicated.
5. Scroll to "NV-Ram initial" is indicated. Push ENTER.
6. Window shows "NV-Ram- Initial Table 1".
7. Push ONLINE and ENTER Buttons simultaneously and HOLD for 10 seconds after you see "Executing Reset" appear in menu window.
8. Restart printer.
All toner, drum, fuser and transfer figures return to 100%.
Worked for me when I had the same error. Hope it helps.
Posted on May 26, 2009
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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