Question about Brother HL-4040CN Laser Printer

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HL 4040CN "Waste Toner Full" In red in data read.... Can you advise me how do i fix this please

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Find the waste toner bucket ont he laser printer, and dump the waste toner into a plastic zip loc bag and throw it away.

Replace the waste toner bucket.

Posted on Aug 24, 2010

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The red cartride is leaving dust on the side of the page and I can see excess residue accumulating. The cartridge is about 2/3 full as are the others. Can I take apart the cartridge to clean it? It is a...

i wouldnt try - instead try running a piece of paper up into the offending area and move it along. this should dislodge the buidup on the blade and potentailly fix it. if not its a new toner im afraid

Oct 17, 2013 | Brother HL-4040CN Laser Printer

1 Answer

Waste toner full

You will need to replace the waste toner box on the Brother HL-4040CN. You can order the replacement from or your local supplier.

To replace the toner box, turn off the printer and open the front cover. Then remove the drum unit. Place the drum unit on a flat surface covered with newspaper or something else disposable to contain any loose toner. Then remove the belt unit carefully. (Hold the green parts and pull it up and then out.) Again place the belt on newspaper in case there is loose toner.

Now you can remove the waste toner box. Pull it out by the green handle. Discard of this properly.

Then put in the new waste toner box (by the green handle). Return the belt unit to the printer (line up the down arrow on the belt unit with the up arrow on the printer). Push it in and then push down on the green areas until it locks. Then replace the drum unit. (Make sure the grey lever is up when you start and then push it down to lock in the drum.) Line up the green guides on the drum unit with the green arrows on the printer. Close the printer and turn it on.

For pictures to go with the description, see: .

I hope this helps.

Cindy Wells

Jul 07, 2011 | Brother HL-4040CN Laser Printer

1 Answer

No waste toner although have changed the toner bin

The waste toner is store in the toner cartridge it self. If your try to refill it with your own. There is waste compartment inside the toner cartridge.

Dec 07, 2010 | Brother HL-4040CN Laser Printer

1 Answer

The print on my HL-4040CDN is getting streaky - it started with red, and now is happening with yellow and blue. It's not warning me to replace the toner yet. Is it likely the toner or could it be the...

If the sreaks are verticalm, its possible its a drum belt problem. A better detailed explanation can be found here:

Nov 01, 2010 | Brother HL-4040CN Laser Printer

1 Answer

How do I change the toner cartridge on the hl-4040cn

really easy, open front door - there is little latch in the centre which you need to press, retrieve the tray - lift handle slightly up and then slide out, remove empty cartridge - lift it by the handle, at slight angle towards you, you do not need to change all cartridges at this same, only these which are empty.

reverse the procedure to insert new cartridge.

do not forget to empty or change waste toner!

i find actually this on brother site:

Jul 28, 2010 | Brother HL-4040CN Laser Printer

1 Answer

Can someone please help me i have just printed off 400 prints with my brother hl 4040CN laser printerits brand new and its now saying my cyan toner has ran out this is impossible i am right in the middle...

Your toner usage will depend upon how much of each color toner is used on each page. (To conserve colors when printing in Black and White only, specify monochrome in your printer setup) <div>I had similar problems when printing publicity flyers. The toner cartridges claim to be good for about 2000 prints each, but I was lucky to get 3 or 400 pages when printing blocks of color. The TN115 cartridges hold significantly more toner, and the cartridges that come with the printer are TINY.</div>

Jul 06, 2010 | Brother HL-4040CN Laser Printer

1 Answer

My brother hl 4040cn is printing fine, except there is a blank vertical line in the middle of the page. what is this?

Usually just toner dust on the laser lens, you remove the toner and drum and look on top inside for a window about 1/2 inch wide. You wipe that window with a dry cloth, and also check for paper scraps inside or on the drum assembly.

Nov 18, 2009 | Brother HL-4040CN Laser Printer

1 Answer

Model HL-4040CDN, told me to change magenta toner

Have the same problem, can't find the solution. Filed a complaint on the brother website feedback link, hopefully they will resolve if more people post problems with toner cartridge changes

Nov 10, 2009 | Brother HL-4040CN Laser Printer

2 Answers

Going through toners very quickly, new drums required?

so you use old drum which should be cost too much toner, because the older drum can not be charged normal voltage so that images on it will consume more toner on it, and more waste toner goes to the waste toner box.
change a drum ASAP.
hope help you fix it, please take a rating let me know how much helped you thanks! send any question in any time please.

May 21, 2009 | Brother HL-4040CN Laser Printer

2 Answers

HL-4040CN don't show or read new refilled magenta cartridge.

If you have removed and reinstalled the magenta cartridge several times, it is very likely the cartridge is defective out of the box. If you have another magenta cartridge, put that one in and see if the problem resolves. I'm betting it will. If that second cartridge does work, then return the defective cartridge to where you purchased it - they should replace it without a hassle.

May 10, 2008 | Brother HL 1440 Laser Printer

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