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How do I refill toner cartridges for a Brother Laser Printer HL-4050CDN

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Hello sir my brother tn-3250 laser toner blinking yellow light

Toner Blinking yellow LED indicates that the toner cartridge is nearly empty. Buy a new toner cartridge or refill the cartridge. Refilling the TN cartridges is quite simple and you can do it yourself.
It is a very simple process. Please refer to this video.

Let me know if any further clarification/ assistance is required.

Good Luck!
Appreciate generously, if the solution could have been of any help!

Jan 17, 2011 | Brother HL-5250dnt Laser Printer

1 Answer

I bought a refill for this printer but unsure how to replace it. Do you have any instructions on how to refill the toner? thanks

I do not recommending refilling a laser cartridge, the toner powder is very fine and you don't want to breath in this powder. I suggest you purchase a recharged or re-manufactured toner cartridge for your model printer, these are much cheaper than the genuine new toner cartridges.

Oct 26, 2010 | Brother HL-2170W Laser Printer

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I get a line in the print how do i fix it

Lines on the page is usually due to debris or scratches on the laser drum or fuser roller. These are situated within your toner refill cartridge. Check these rollers by removing the cartridge and pulling back the flap which conceals the rollers. Take note that the drum is sensitive to light & should not be exposed to light for prolonged periods. Check that there are no marks or scratches on the drum or fuser roller. Whipe off marks on the drum with a soft cloth or if there are scratches, replace the whole cartridge unit.

Best wishes,

Aug 02, 2010 | Brother HL-4050CDN Printer

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My Brother HL-2170W only gets about 300 pages per toner cartridge unless I put a piece of masking tape over the whole in the cartridge through which the printer ascertains how much ink is left. When I...

It is perfectly safe to cover the sensors on either side of the cartridge. What works best is to cover it with a piece of black electrical tape. The cartridge is set up so that when you put it in the printer, the printer shines a laser from one end of the cartridge to the other. This laser reads the toner level. If you cover both sides up with tape, it tricks the printer into thinking the cartridge is full of toner.

Hope this helps! :)

Mar 23, 2010 | Brother HL-2170W Laser Printer

1 Answer

Getting ink splatters on copies

That is normal with this printer. I own a Cartridge World ink and toner refilling store and we've found that the new Brother color laser machines (that take the TN-110 or TN-115) drop toner speckles onto the pages. This is because the cartridges were designed poorly. We do not recommend new Brother color laser machines for this reason.

Dec 02, 2009 | Brother HL-4070CDW Printer

1 Answer

We have a HL 2070N Brother printer that the toner light will no go off. We have tried new cartridge, powering off, opening the front and back doors while holding the GO button. What's the best way to reset...

Sounds like you refilled or purchased a refilled cartridge and the toner reset flag wasn't reset in the process. Here's a link to the remanufacturing instructions for the cartridge. Page 4 addresses how to reset the flag on the side of the cartridge to make it reset your machine.

Hope that helps you. :)

Nov 03, 2009 | Brother HL 5250DN Laser Printer

2 Answers

Difference between Brother HL-4040CN and HL-4050CDN printer

The D stands for duplex printing (both sides of paper)

Dec 16, 2008 | Brother HL-4040CN Laser Printer

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Brother HL-2040

you must change a new drum also new toner

Jul 27, 2008 | Brother HL 1440 Laser Printer

1 Answer


Dont recomend refills causes too many problems, like you are experencing, put in a real brother toner should fix problem.

great link to explain of lights on panel

Dec 18, 2007 | Brother HL-2040 Laser Printer

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