Question about OKI B4600 Printer

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Why is it putting black blotches of ink all over the paper?

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You might have a leaking drum. Or toner might have spilled in the printer during a cartridge change. if you have a HEPA Vacuum with a soft bristle brush lightly vacuum any spilled toner in the printer and try again.

Posted on Apr 14, 2015


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I just changed the black ink and now I have small black blotches on any paper that I print out.

This can happen due the printer automatically running a cleaning cycle when any new cartridge is installed, to ensure the ink is properly run into the printhead down to the nozzles. In the main, what happens is the ink that is used during such cleans goes into the Waste Pad but sits on top if the pad is fairly soaked with ink from past cleans and is thus transferred on to the underside of the printhead - thus to get smudged on to the print paper. Ideally, fit a Waste Ink Bottle (search on for your printer model and for the Waste Ink Bottle installation - some dealers of ink cartridges offer packs with full instructions but is generally easy and cheap to DIY). All you need is some tubing to fit on the waste ink drain tubing (normally inside the RH side .- where the printhead parks between uses - the youtube video for your model will show how to easily remove the end panel and fit the tubing) and then to put the end of the replacement tubing into a small glass (not plastic as can be easily tipped over - glass is better as heavier) so any waste ink is drained from the felt waste pads under where the nozzles park. Meantime, put the printhead into the Change Cartridge position, then unplug the power lead - NOT turn printer off as that simply parks the head again. With the head in the CC position and power off, you can freely move the whole printhead with its cartridges to the left - then make a decent pad of kitchen paper and find the felt waste pad down on the RH end and press to soak away the surplus ink. Repeat several times until most ink has gone. There is then none to get back on to the nozzle area again and you should be free of the blotching. A small torch will help to see inside the printer. There is sure to be at least one youtube video for your printer on fitting the drain system but if not - try several print cartridge suppliers (not generally the sell-only eBay ones so search using google for main dealers)

Feb 24, 2015 | Epson WorkForce WF-2530

1 Answer

There are black ink blotches when I try to feed envelopes through the rear feeder

use the maintance function on your printer to adjust the ink output level.

Dec 21, 2012 | Brother New-MFCJ6710DW - MFC-J6710DW...

1 Answer

Printing misaligned color blotches, little squares off to the

Are you using genuine inks or compatibles/refills? Have you cleaned / aligned the print heads recently? Does it only happen on the second print? Could be a case of excess ink getting onto the rollers which then get hot and deposit the ink on the next paper coming through.
Also make sure you've selected the correct paper type before printing.

Oct 29, 2009 | Epson Stylus Photo 1280 InkJet Printer

1 Answer

The printed pages have pink blotches on the right hand side of the paper and horizontal pink blotches down the page

Try cleaning the color or magenta cartridge with rubbing alcohol and look inside the printer to see if there's pooled ink anywhere that is smearing on the paper. Try replacing the print head or cartridge.

Sep 17, 2009 | Lexmark Office Equipment & Supplies

1 Answer

Paper jams w/ all types of paper, Ink blotches...

If you're getting spots on the prints, run the Remove Ink Smears routine in the maintenance. It will clear the ink from the preheater. User packing tape to pull dust off of pick rollers. It's easy to unclip the unit and roll it on a piece of tape to remove dust.

Jul 30, 2009 | Xerox Phaser 8500/DN Printer

1 Answer

Laserjet 4L printer has a streak on the left side of paper with ink blotches in the streak

look at the toner cartridge it is be coming from there,replace. check to see if there is something stuck on hte drum causing the blotches, clean w/alcohol or replace

Sep 17, 2008 | HP Office Equipment & Supplies

2 Answers

Blotches of black on both sides of paper

The black slodges are most likely to be caused by the dev unit dropping black toner. Swap the black devs around and vaccum any loose toner out of the machine. The problem with the other one it that the magenta toner pump could have a fault. I would try this before cleaning the toner tubes.

Thanks Jason

Aug 08, 2008 | Ricoh Aficio AP3800C Laser Printer

1 Answer

Left & right streaks when printing

Hi, it sounds that your printer may require service to clean the printhead thourouly.


May 09, 2008 | Epson Stylus CX7800 All-In-One InkJet...

1 Answer

Larges spots of ink on paper

That used to happen to me as well. It turned out that when I left the paper standing in the tray, it would bend slightly at the end. I stopped leaving the paper in the tray in the afternoons and only putting it in when i needed to print and that seemed to solve the problem. A hassle I know but thats the cost of buying a photo printer to do office jobs.

Feb 29, 2008 | Canon PIXMA iP1600 Printer

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