Question about OKI C6100n Laser Printer

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OKI C6100 only prints in color

Initially when C6100 stopped printing black only or black text, we would remove the black cartridge, tap a few times and replace. Print quality would return to normal and last for 2-3 weeks of home printing. After going through the this cycle 6-8 times the C6100 would not respond to the "remove, tap replace." Other colors are fine and there are no error messages; swapped the black drum/cartridge with the yellow drum/cartridge and black prints instead of yellow and no yellow. After putting the yellow in the black position, we noticed a very, very, very faint yellow text. So faint that it was not noticed at first. Any thoughts on why only the black position will not print?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 44 Answers

SOURCE: Poor quality print

Try cleaning the LED heads. These are located in the lid and are facing you when you have raised the lid. A quick wipe with a dry cloth or tissue should help. If in doubt, check the user manual.

Posted on May 11, 2009

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Soulvisitor
  • 1113 Answers

SOURCE: OKI c5100 Printing GREY instead of BLACK.

Check density control in COLOUR MENU is set to auto and exucute auto density in same menu, clean the led heads on the lid.

In MAINTENENCE menu you can increase paper black setting (ie+2).

If any of your non gen Toner got mixed in the new black drum then this is the real issue.

If paper has moisture in it toner doesn't stick as well, run it threw twice (first time it dries out) to confirm it is not a moisture issue

Posted on Jan 13, 2008

  • 105 Answers

SOURCE: Oki C3100 - v poor print quality

Hi Errol

The way to identifiy your problem is to send a full colour print to your printer and open the top just as the paper starts to come out . if you then remove your toner / drums for all the colours you can see the transfer belt if the quality of the image that you can see on the transfer belt is good and clear your problem is with the transfer form the tranferbelt to the paper and not any toner /drum issue and the most likley cause is the transfer belt itself "but before you relpace it remove it and clean around the electrical contact points and generally make sure the internals of the printer is free of loose toner .

Regards Alan (Alstech)

Posted on May 13, 2009

LizBux820
  • 1 Answer

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

KudesNIK
  • 22 Answers

SOURCE: Print quality problems C3400n

And the problem is with the magenta drum.

Posted on Jul 24, 2009

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1 Answer

It only prints black and white


Somebody must have followed the instructions:

Print Only in Black and White:
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• Left click on Laser to highlight.
• Click File > Printing Preferences.
• Click on the Color tab.
• Click on the circle by Grayscale to move the bullet to that selection.
• Click Apply and OK.

to switch from "colour" printing to "black".

So, "unclick" the 'Grayscale' setting.

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I have a brother MFC 3240C. My Black ink stopped printing(initially printed horizontal faded lines and gradually got worse), the other colors were printing fine. I tried cleaning numerous time( 50 -100 times over 1-2 weeks ). Still no improvement. The way I print now is:
1. I go to Printer Properties
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Brother 420CN printer will not print black ink. Have replaced the cartridge and after several cleaning cycles, it still will not print properly. Test Print shows colors are fine but black ink is hit and...


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This takes a long time to print 1-2 minutes per page. However, this works for me since this is my Home printer and use it for printing only few pages here are there.

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2 Answers

My printer is not printing in color its a oki c6100 in only prints in black and white


Oki appear to only have made a B6100 model printer, this is actually classed as a workgroup mono printer and only prints in black and white, It is not a colour printer here in the UK. I think the US may have this as a C6100 and I think it is similar to the 5000 series of printers. the user manual can be found at http://my.okidata.com/PP-C6100n.nsf?opendatabase . I would print a Menu Map and check the settings and also check the driver setting is not set to B/W printing.

Nov 18, 2009 | Office Equipment & Supplies

1 Answer

C5150: All color prints are extremely streaky and


This happened to me. It was caused by a bad "oki compatable" color cartridge. One time it ruined my drum. It was always the yellow color. Decide which cartridge is printing streaky. Remove it, bang it on the inside of a large plastic garbage can. Clean it. Reinstall it . If it still prints streaky throw it befor you ruin the drum. Replace it.

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1 Answer

Printer prints color, but not black even with new cartridge


First thing to do is a head clean then do a test print. Do you see any of the black lines?
If not, don't do a deep clean as this uses up too much ink. Remove the ink cartridges and then remove the print head unit.
Run the print head under a hot tap for a few minutes until all the run off is clear. Take it outside if you can and shake it dry vigourously. You can use paper towel if you like but try not to wipe across the nozzles. Make sue the contacts are all dry and refit it to the printer. reinstall the ink cartridges and print a few test pages - the first couple may well be wasted but then it should start to print properly.
Is the black still missing? If it is do another head clean and another test print. Any improvement? If you start to see some black do some more head clean routines and it may well come back to normal. If on the other hand you see no trace of black at all, it could be that the print head is worn out and needs replacing.
This printer is now of an age where the print head may well be failing. Mine had to be replaced last year as one of the colours stopped printing.
The head is not exactly cheap - but it's cheaper than buying a new A3 printer.

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HP Deskjet 9800


push the printhead in a wet towel
until you can see a clear print Imprint
on the wet towel

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Do this, press and hold the "Stop" button on the printer for 10 seconds that should clear the fault set by the empty ink cartridge.

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2 Answers

Problems printing black


how many prints have u done with the drum, black.???, if it´s new, just clean the leeds of the black, with a piece of cloth.

Nov 14, 2006 | OKI C5100n Laser Printer

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