Question about Brother HL-2040 Laser Printer

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Brother HL-2040 Printing With Strange Gray Marks on Back of Paper

About a week ago, my toner light lit up on my Brother HL-2040.  I replaced the toner yesterday with a brand new one, and I followed the supplied instructions exactly as I did it, but when I closed the printer and tried printing something, the page was printed, but the entire sheet was smudged dark gray with toner, front and back.  I did not know what could be causing this, because it's the first time I've replaced the toner since purchasing the printer, so I pulled the toner and drum out again and tilted the toner back and forth some more, thinking that perhaps the toner wasn't spread properly or something, but it still did not work properly.  After that, I took the drum out and wiped the larger shiny roller clean, because it was covered with toner, and I didn't know whether that was normal or not.  When I reassembled everything and tried printing a page, the printed side came out perfect, but the back of the page still had some small light gray smudges on it.  Now, I'm wondering if my drum is in need of replacement, and if so, could it be my fault?  If not, do I need to clean a part of it or something.  I'm quite frustrated with this, because I live at school and in addition to myself, several housemates of mine depend on this printer.  Plus, I don't have the money to buy a new drum.  So, I'm crossing my fingers for some good news.  Thanks in advance for any help.

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Re: Brother HL-2040 Printing With Strange Gray Marks on...

Sounds to me like the toner - that is the toner cartridge has the wrong toner in it. The drum should be OK - clean it up first and then use a genuine toner cartridge OR you can buy our refill kit on eBay - search for Brother HL2040 - michellem6123

Posted on Oct 20, 2007

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All the light flashing

Try this procedure as mentioned.if any mistake in trying the procedure then retry from first step read it carefully and try it. Brother ML-2040 Toner Light Reset
When replacing the toner cartridge in the Brother HL-2040 with a new cartridge (compatible or remanufactured) the user may experience a problem with the toner light staying on, even with the new toner installed. The procedure below has worked for many folks, so give it a shot.
Open the front cover of the Brother HL-2040 and leave open while completing the following steps:
1.) Turn the printer off.
2.) Hold the ‘go’ button while turning the printer on. All panel lights should be on.
3.) Release the ‘go’ button once all lights are off.
4. )Press the ‘go’ button 2 times.
5.) Pause.
6.) Press the ‘go’ button 5 times.
7.) The toner light should be off.
8.) The paper light should be on.
9.) Close cover. The ready light should be the only light on.
Once all steps are successfully completed your “low toner” light should be fixed.
------------- From Brother Service Bulletin

1. Open the Front cover
2. Press and hold the GO button
3. Power ON the printer while continuing to hold the GO button
4. Once the 3 LED’s are lit, release the GO button
5. Press the GO button 2 times. This will cause the LED’s to light solid
6. With the LED’s lit solid, press the GO button 5 times
7. Toner Life End will then reset
8. Close the front cover.
----------- Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Aug 02, 2010 | Brother HL-2040 Laser Printer

1 Answer

Brother 2040 yellow toner light on & won't print. Toner just replaced 8 weeks ago. Printer purchased 6 months ago.

You have a one year warranty with Brother if you need repair. You might shake the toner, or put a small electrical tape over the little round windows on the toner cart. to use the rest of the toner, and press the go button 3 times to print the report that tells you how many prints you've made, you could just be out of toner again...

Feb 03, 2010 | Brother HL-2040 Laser Printer

1 Answer

My brother hl 2040 the tone light is on and dont allow me to print

It indicates your toner is finished and you need to replace with a new toner. Take out the toner & drum unit, on the left there is a opening which allows a beam to pass through to check toner level. There might be some toner left, for emergency printing block the opening with a piece of small paper and the light should go off for temporarily printing.

Dec 01, 2009 | Brother HL-2040 Laser Printer

1 Answer

Brother HL-2040 toner led stays on, won't print

There is a window on each end of the toner cartridge that you can cover with electrical tape and keep printing, it shines a light thru and when the toner is too low it says it's empty. The weight can be misleading.

Sep 02, 2009 | Brother HL-2040 Laser Printer

1 Answer

My drum light is staying on on my brother HL2040 printer. I just replaced the toner a week ago, and now the printer won't pull paper or anything.

Try this,
Push and hold the "start" buttom for 1min until you see 4 lights on.
after that your printer will be reset and should be ready to use.

Apr 30, 2009 | Brother HL-2040 Laser Printer

5 Answers

Drum light HL-2040 Brother

  1. Open the front cover.
  2. Locate the control panel button under the LED lights on the left side.
  3. Press the control panel button until all lights are lit, then release it.
    The Drum counter is now reset.
On older models
  1. Open the front cover.
  2. Remove the drum and toner
  3. Press the Go buttom button until all lights are lit, (they come on one at a time) then release it.
    The Drum counter is now reset.

Oct 14, 2008 | Brother HL-2040 Laser Printer

2 Answers


I got exactly the same problem and the "reset" didn't do anything. I fixed it by putting a piece of duck tape on magic eye on the cartridge.
Fallow those step to do the same thing as me:
  1. Open the front panel.
  2. Remove the toner and the drum
  3. Remove the toner FROM the drum
  4. On each side of the toner, there should be a little glass. Put the piece of duck tape on one of them. I put mine on the right side.
  5. Put everything back in.
  6. Turn on your printer if it's not already.
  7. Now, the low toner light should be gone and the green light should be on.
Now, you can really empty your cartridge.

Apr 06, 2008 | Brother HL-2040 Laser Printer

1 Answer

Brother HL-2040 All LEDs stay lit and the printer no longer works

Turn it on and when all the LEDs light up, THEN press the Go button. One or more LEDs will stay lit and the others will be off. Look in the user manual (you can find it online at the Brothers site if you don't have one). There is a chart in the Troubleshooting section that will tell you what problem your particluar combination of "lit" buttons indicates. It may suggest fixes, or depending on the problem, tell you to see a repair person.

Nov 19, 2007 | Brother HL-2040 Laser Printer

1 Answer

Brother 2040

Broken carona wire in drum replace drum or non gen toner not working correctly

Nov 13, 2007 | Brother HL-2040 Laser Printer

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