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 | Brother toner cartridge low toner override by OppressedPrinterUser (7/25/06 2:22 PM) reply | + / - | Am using Brother HL-5170 DN and a TN-540 toner cartridge. The printer decided it was out of toner, even though the last page printed was fine. Rather than run out for a new toner cartridge I used a small (.5 x .5 in.) piece of black electrical tape to cover the sensor hole on the non-gear side of the cartridge. By covering the hole the printer is fooled into thinking the hopper is full of toner.
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| Re: Brother toner cartridge low toner override by njp (8/1/06 10:59 AM) reply | + / - | Works for a DCP1000 also.
Just cover the eye that you can see in the bottom of the machine after removing the imaging cartrige with a small piece of electrical tape. When your getting low on toner you'll notice it on the prints.
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| Re: Brother toner cartridge low toner override by Toby (9/27/06 12:46 AM) reply | + / - | Awesome. Thanks for the tip. Worked in a HL-1850 as well with a TN-560 toner cartridge. Was looking all over for something like this.
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 | Re: Brother toner cartridge low toner override by saar (10/25/06 5:12 AM) reply | + / - | THX worked for me as well on a HL-2030, starter cartridge, still perfect quality. I covered both "windows" though;-))just in case.
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| Re: Brother toner cartridge low toner override by Anonymous (11/17/06 4:05 AM) reply | + / - | with printer on you must push the switch wich is located inside in upper left side of printer (it is a small white switch) and then release it. this should work.
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| Re: Brother toner cartridge low toner override by Anonymous (2/6/07 8:36 PM) reply | + / - | thanks so much! what great advice!
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 | Re: Re: Brother toner cartridge low toner override by jwooden5941 (3/3/07 8:16 AM) reply | + / - | Anon:
I have the Brother HL-5250DN I don't see a switch, do you know what models have one?
I was able to use the "electrical tape" approach, thanks to whoever recommended that one!
Jim
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| Re: Brother toner cartridge low toner override by jwooden5941 (3/24/07 3:50 PM) reply | + / - | I am still printing away with my Brother HL-5250DN and tape covering the sensor hole. It has been 500+ more pages.
Intestingly the "low toner" light has again started to blink. I wonder if the machine as multiple methods for "guestimating" low toner - the photoeye & page count or something???
Thanks,
Jim
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 | Re: Re: Brother toner cartridge low toner override by jwooden5941 (3/27/07 3:15 AM) reply | + / - | Replying to my own note, after taping over the toner "hole" I was able to print about 1000 (yes one thousand) more pages before the low toner light started coming on again.
This morning I started a print session and got a "hard" low toner message that stopped the printer from printing ("toner end of life" on operator panel).
I removed the cartridge gently shook/rotated reinserted and we're printing again....
While black areas may not be "fully saturated" printing is still very good -- What in the !@#%#$^#%&#$^@%@# is Brother doing to us here? Ok ok ... I realize all the money is in consumables ...
Sorry....
Thanks for any comments!
Jim
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| Re: Brother toner cartridge low toner override by Phrasemaster (4/7/07 11:39 PM) reply | + / - | The tape over the window works! Yeah! I had just printed about 400 pages (biggest job i've printed on this 5250DN, which I LOVE, by the way!!!). Then all of a sudden, message, End of Life on the toner as confirmed in the software control panel. Scratched my head. Swore. The printouts had all been perfect, no lightening, or ANYTHING, and i just KNEW there was still toner in that cartridge (I could HEAR it shaking the cartridge!).
Long story short, read the excellent post here, took a piece of scotch tape and carefully covered the hole over the sensor window on the non gear side, and then took a black permanent marker and colored in the tape over the sensor. Popped it back in place, worked like a charm! I love DIY shit like this! Besides I was really pissed off that Brother would decide FOR ME when MY cartridge was empty! I mean, COME ON! As George Orwell predicted, Big "Brother" is watching, but we still have power! Yahoo!
Thanks all!!
Mike
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| Re: Brother toner cartridge low toner override by jrwooden5941 (4/15/07 12:09 PM) reply | + / - | My 5250DN informed me that I was "out of toner" at a page count of 3050 pages. I applied the fix above and now at the 4880 mark - not bad. I am now getting some "background" dusting / gray that is pretty evenly distributed over the entire printable area page.
Just to make sure there was not something else wrong I put in my new spare cartridge and it prints fine, so I guess at some point even toner still available something else is going on inside the cartridge... I understand there is some type of "toner recycle" mechanism in there that might be causing the dusting, but have never had one of these units apart.
If somebody knows of another way to clear up the background toner dusting let me know eh?
Thanks,
Jim
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| Re: Brother toner cartridge low toner override by Anonymous (4/22/07 5:47 PM) reply | + / - | Brother use a system of returning the residual print waste toner from the drum, to the toner supply hopper, via a charge brush which is in contact with the drum and charged differently during the clean cycle of the drum. The charged residual toner is transferred back to the developer roller and dropped back into the supply hopper. This is why most Brother cartridges, unlike most makes, do not have a waste toner hopper in the drum unit. When the toner is getting low, the electronics increase the charge on the developer roller to compensate for the mix of waste and good toner. This process continues until the maximum charge can no longer be accepted by the toner. This results in the charge brush failing to operate properly and hence waste toner is not returned to the toner hopper, but remains on the drum. This causes the backgrounding which appears on the printed page. Even blocking the low toner sesor will not prevent this from happening. This is a brief description of a rather lengthy complicated prcess. Submitted by Robbo.
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| Re: Brother toner cartridge low toner override by Anonymous (6/17/07 9:29 AM) reply | + / - | Robbo:
Sorry for my extreme delay in replying, thanks for the explanation!
Jim
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| Re: Brother toner cartridge low toner override by djm2 (10/7/07 4:15 AM) reply | + / - | Hi there folks!
First of all I know that this is a long time since someone has posted but here is my question.
When I was at uni I bought a HL-5250DN printer and used it quite a bit. The printer comes with the low yield TN-3130 cartridge. The printer began flashing the toner light then later on the printer stopped working. I needed to print stuff for uni and didn’t have time to look into it but I knew that there was toner left as the last page printed was top quality. I bought the high yield cartridge and it started printing again.
But out of curiosity I decided to put the old cartridge back in to see what happens and it started printing again! I got the status from the printer and it thought the high yield cartridge was still in there.
So my question is if I keep using the low yield until it is finished will I have a reduced use on the new high yield cartridge when I start to use it? I mean can the printer tell what type of cartridge is in it? (I guess it can so that it can guestimate the pages left?)
Regards
Dave
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| Re: Brother toner cartridge low toner override by jrwooden5941 (10/7/07 2:23 PM) reply | + / - | Dave:
I don't think there is any problem with swapping cartridges in and out....
by taping over the sensor holes in each end of my original cartridge I was able to extend the life by another 1000 pages. After that the background starts to "dust up" and get dark.....
But the printer is sensing how much toner is in the cartridge so swapping them should not be an issue....
Jim
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| Re: Brother toner cartridge low toner override by joanalice (11/19/07 7:19 PM) reply | + / - | Has anyone used the Brother 7820N model, and do you know how to override the "Toner end of life, replace toner" message? I have only had the toner cartridge in there one month. Thanks.
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| Re: Brother toner cartridge low toner override by mrgermy (11/21/07 12:23 PM) reply | + / - | I have the 5250DN. I covered the 'eyes' on both the left and the right. No go, still says no Toner.
I've tried a new cartridge and fuser, no go.
Anyone?
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| Re: Brother toner cartridge low toner override by Anonymous (11/21/07 5:02 PM) reply | + / - | I also covered the eyes on both the cartridge and the machine, on each side (this is for the 7820N). Still says NO TONER.
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| Re: Brother toner cartridge low toner override by jrwooden5941 (11/22/07 6:42 AM) reply | + / - | I have the 5250DN and covering the eyes on both sides has helped me get a lot of extra life from the carts. I have NOT seen the "NO Toner" message, only the "LOW Toner" message...
I do not know, but perhaps the "no toner" message is generated differently -- i.e. low towner error is generated when the printer can see thru the cartridge via the eyes, but that NO toner is somehow generated differently .... page count or some firmware function?
Jim
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| Re: Brother toner cartridge low toner override by ajskillet (12/14/07 9:08 AM) reply | + / - | I have a Brother HL 2070n. The no toner led is lit, even after replacing toner cartridge. I tried the tape over the sensor hole, but it still says no toner. Any ideas?
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| Re: Brother toner cartridge low toner override by Anonymous (1/2/08 3:12 PM) reply | + / - | http://www.fixya.com
This addresses your problem ajskillet.
Tried this on a 2040 starter cartridge and it also works.
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| Re: Brother toner cartridge low toner override by CyberK (1/5/08 11:51 AM) reply | + / - | I didn't have any electrical tape at the job so i got a black sharpie and colored it in. Works like a charm
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| Re: Re: Brother toner cartridge low toner override by lukew (1/27/08 1:12 PM) reply | + / - | I had the same problem, the LED sensor block did not work.However, ...
There is a "flag gear" that, it seems, slowly turns (counterclockwise) as the toner cartridge is used, which finally hits a stop that appears to force the toner light on and prevent printing even if there is toner left. I have a TN550 cartridge which was refusing to print, and indeed the gear was at the stopping point. To reset the gear, take the cartridge out. On the gear side take off 2 screws, the flag gear (on the tn550) is the black gear on top right side, with a small spring underneath. Just take it off and reset it (rotate clockwise) so it is not at the stopping point.
I did not reset it all the way because there was some indication in other postings that it controls certain voltages that depend on the toner level. I assume my toner is actually getting pretty low so I just turned the gear back a little bit, and the toner light turned off, and the printer prints.
See the end of this toner refill guide for a photo of the "flag gear":
http://www.castleink.com/265/cartridge/TN580.pdf
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| Re: Brother toner cartridge low toner override by jmanginy (2/28/08 7:57 PM) reply | + / - | I tried the tape and it worked great thanks for the advice
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| Re: Brother toner cartridge low toner override by fishyink (2/28/08 8:56 PM) reply | + / - | these cartridges have a mechanicle reset on the side of the cartridge, once the cartridge is inserted in the machine the mechanicle reset is activated and will clear the toner empty message. so the only way to get the error is put a cartridge in the machine then take it out while its got toner in it then put another in then run that toner out, then put the first toner in and it wont reset the error message because the mechanicle reset has already been tripped. if that makes any sense.
the mechanicle reset can be reset by taking the side cover of the toner and put the cog back in its rightous place. that get triped once and doesnt gradually move it moves all the way when you first put the cartridge in .
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| Re: Brother toner cartridge low toner override by rsd21855 (3/17/08 6:17 PM) reply | + / - | works great on MFC-8870DW also. Thanks!
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| Re: Brother toner cartridge low toner override by waterboss (3/24/08 1:32 PM) reply | + / - | I tried the "tape over the hole" business and it didn't work for me.
Here's the technique for the MFC-7820N machine -- open front cover, push "options", push start, push 10, (mayber push "start" again here i dont remeber) then it should read "accepted", close cover, open cover, close cover, done. Haji, my technical support guy felt that I should not have had to open and close the cover a second time after it read "accepted", but I did.
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| Re: Brother toner cartridge low toner override by Anonymous (3/30/08 7:33 AM) reply | + / - | Hi All
Anybody have a fix for TN250 cartridge in an MFC 6800.
Same problems with low toner light. Also out of toner caused shutdown. Managed to get it going again by cycling power on and off.
My problems have got worse after using after-market toner cartridges at ~$8 each but I can live with them (save $32 ).
Summary of my problems are
1 Toner shading intermittent. Sometimes gets worse as more copies are done. Sometimes starts bad and improves.
2 There is toner in cart and I would like to get low toner light off.
3 Occasional out of toner shutdown.
I have looked at the TN250, both brother and after-market, and see no window to cover!
Thanks for listening
Tom
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| Re: Brother toner cartridge low toner override by Me Too (4/3/08 7:47 PM) reply | + / - | I just purchased a Brother MFC-9840CDW. It uses the TN-110 (lo capacity) and TN-115 (hi capacity) toner cartridges. I only got a little over 1400 prints on the TN-110 black before it locked me out. I did look and found a little window, as described for other brother machines. I was able to put the tape over the hole in the toner cartridge tray (holds all 4) instead of putting it on the cartridge itself. It worked like a charm. I looked and there seemed to be lots of toner left. I just was able to make more prints with no degradation of quality. Thanks for the help. I will continue to use this to override the low toner signal so I can get maximum use of the toner.
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| Re: Brother toner cartridge low toner override by choppy (4/8/08 10:59 PM) reply | + / - | I love this "DIY shit" as well. LOL!!!
This is the best use of duct tape since Apollo 13.
I got stuck printing homework for the child late at night after the stores were closed, so this really helped out.
Thanks, I love you man.
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| Re: Brother toner cartridge low toner override by Anonymous (4/10/08 4:45 PM) reply | + / - | Works for the MFC 9440 CN also- there's a square "window" on the left side of the toner cartridge- I put a piece of masking tape over, colored it black, and it's printing again. I was getting a "end of toner" message.
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| Re: Brother toner cartridge low toner override by kmoffat (4/13/08 1:30 PM) reply | + / - | Any chance of harming the printer? We have the MFC-9440cn on which I just replaced the original black toner with a high yield. I haven't replaced any color carts yet. The original black low yield gave me about 1600 pages. I'm wondering if I could try this procedure in a pinch without endangering the printer. (it's an office printer, can't take chances)
Thanks,
Ken
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| Re: Brother toner cartridge low toner override by bmaclane (4/19/08 11:16 AM) reply | + / - | I am about to try the cover the window trick on my MFC-9840Cdw to extend the use of toner that I know is not at the end of its actual printing life. What about the drum notices. It bugs the heck out of me that after only six months I am getting a change parts/drum warning. Thanks
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| Re: Brother toner cartridge low toner override by MDCWLAF (4/29/08 1:09 PM) reply | + / - | I have the HL-2070N with TN350 cartridge.... Printer was working great with no light copies or lines until low toner error. Logged into the printer using the web browser and says only 1800 sheets printed. I just tried the tape on the side of the cartridge trick and it works great!!!! Might be able to get a few hundred more sheets out of this cartridge.
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| HL-5250 by Santacruz (4/30/08 11:07 AM) reply | + / - | For people who had this end of toner issue with the 5250dn, you simply need a star screwdriver as posted by lukew. It is easy to perform and will save you some money. Brother really disappointed me with a product that I could not be more satisfied of, up to now. (especially when that happens while printing term papers in the middle of a document!!!!)
http://www.castleink.com/265/cartridge/TN580.pdf
Thanks for the post lukew
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| Re: Brother toner cartridge low toner override by Anonymous (5/2/08 8:14 AM) reply | + / - | I have a brother DCP-340CW printer whree the signs "Near empty Black" and "Near empty Yellow" keep coming up when full cartridges have been installed. Nothing will print.Any ideas?
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| Drum life has Ended? by Zohar (5/2/08 10:05 PM) reply | + / - | Is there a way around it.
Previously I naively purchased a new Drum, although I did feel wasting great hardware...
The Toner trick made may day.
The tricks large companies do are crazy but making us throw away technology and create tons of waste for money but for now real reason is sickening.
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| Re: Re: Brother toner cartridge low toner override by Anonymous (5/10/08 12:33 PM) reply | + / - | Hey Waterboss thanks for your advice. I also have a MFC-7820N and following your instructions, after pushing 10, the "Accepted" message came up, DONE! In my case no further pressing or opening/closing was needed.
Great job you all here!
LEVL
PS: Where have you found the best price for this machine's toners?
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| Re: Brother toner cartridge low toner override by Anonymous (5/14/08 11:14 PM) reply | + / - | My two Brother HL-5250DN are happy now the screws removed and the white flag gear that wants to fall out on you moved to the correct position good thing i kept all my old cartriges A big thanks again hehe go Techies ...
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| Re: Brother toner cartridge low toner override by Anonymous (5/19/08 10:04 AM) reply | + / - | You guys are geniuses. It worked for me as well. 5250dn. What a rip off this whole cartridge, toner business is. Thank you x 100
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| Re: Brother toner cartridge low toner override by Anonymous (6/12/08 4:54 PM) reply | + / - | HL-2070N worked!
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| Re: Brother toner cartridge low toner override by thibaulthalpern (6/15/08 2:08 PM) reply | + / - | Can someone help me figure out where the sensor hole is for the HL-5250DN? I'm not very savvy about these things and I can't seem to locate it. I'm also trying to get more usage out of the toner cartridge. Thanks!
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| Help with MFC-9840CDW toner reset by bubernak (6/17/08 11:25 AM) reply | + / - | I've got a MFC-9840CDW also and tried covering up the holes on both sides (first tried just the one on the gear side, then both) of my black toner cartridge when I started getting the low toner indicator, but it wouldn't work. Is there something else you guys with a MFC-9840CDW are doing to get the indicator to reset? I'm sure I'm covering up the right holes. Someone mentioned covering up the holes in the cartridge tray, I guess I can try that also, but if whoever has a MFC-9840CDW and gotten this trick to work could either email me at (mike.bubernak@lmco.com) or post back here, that would be great because now I'm getting a low toner indicator on all three of the color cartridges! Which makes me very suspicous.
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| Toner Drum Corona Wire Message by Anonymous (6/19/08 7:57 AM) reply | + / - | I bought a new drum and it still says to clean the corona drum wire. I followed instruction and cleaned each time but still does not work. Any ideas?
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| Re: Brother toner cartridge low toner override by ghar523 (6/24/08 9:53 PM) reply | + / - | Can someone help me find out where the sensor hole is for the HL-5140? I can't seem to locate it.
Thank you!
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| Re: Brother toner cartridge low toner override by fishyink (6/25/08 7:50 PM) reply | + / - | i had the same thing, clean corona drum wire.. if moving the blue thing side to side try using a compresor and blowing the corona wire and grid it worked for me. dont put the drum is sunlight or expose to much light for long periods or u will damage it.
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 | Re: Brother toner cartridge low toner override by Brett In SoCal (6/29/08 4:57 PM) reply | + / - | Brother MFC 9440CN Toner Life End Message... The Final Solution!!!
Having gratefully read about how to defeat the toner sensor window with black electrical tape, I went to work.
Sadly, I was crushed to discover that performing this operation did not solve the problem for my accursed unit.
[Do it anyway as it will save you from these annoyingly premature warnings in future!]
Reading further, I became convinced that a reset process similar to that used to solve this problem for the Brother 2040 and 7420 models was also required here.
With nothing more to go on than responses to my emails from the good people (knuckleheads) at Brother telling me only how to install a new cartridge, I began poking around on my own 'till, after much swearing and gnashing of teeth, I figured it out:
1. With power on, open the toner access main door (You will get a "door open" message in the LCD.)
2. Hit the "Clear/Back" button and... ta-dah!!! you go right to the “Toner Reset Menu” (cue Vienna Boy's choir sounds here).
3. Using the up ^ Down > "Search" arrow buttons, you can then scroll through reset options for each of the printer's [4] toner cartridges!
Code: B. = black; C. = cyan; M. = magenta and Y. = yellow
4. For each for these cartridges is the option to reset for low yield = S (small?) or High Yield = H
5. Using the number keypad, select option #1 (to reset each to the size you have installed.
6. Hit the "Clear/Back" button to get out of the menu, close door ad the problem is FINALLY solved.
Cheers!
b.
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| Re: Brother toner cartridge low toner override by bubernak (6/30/08 12:41 PM) reply | + / - | Thanks for the tip, I have a 9840, but will have to try it to see if it works on mine as well. Does the 9440 use the TN-110/TN-115 toner cartridges? I too was unsuccessful with black electrical tape, but was able to get rid of the "low toner" warning and continue to use my old cartridges by removing one of the end pieces and resetting one of the gears, but this certainly sounds like a simpler solution!
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| Re: Brother toner cartridge low toner override by Brett In SoCal (6/30/08 2:33 PM) reply | + / - | @buber...
Yes indeed... same cartridges.
I too looked at that link and had images of toner flying everywhere. Was pretty sure there was a simpler solution.
Oh, one more thing I meant to add about saving toner in the first place: you might want to try turning on the "Toner Save Mode" to stretch out your cartridge replacements.
Open Printers > go to your printer's icon > Printing Preferences...> Advanced Settings > select "Printer Functions" (far right icon) > select Toner Save Mode from menu >> turn "on".
Results look fine to me for daily use, though not suggested for grayscale or photo printing.
Best,
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