Brother Mfc-8840d Error Codes
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to a repair facility. I'd rather eBay the unit than pay a premium to get it repaired. The best I can figure out is that it has something to do with the fuser or brother mfc 8840d change drum soon the heat thermostat. Can anyone help to pinpoint a remedy for my MFC-8500? Respond to this
Brother Mfc 8840d Service Manual
1 Power off the printer for 15 minutes and power back on again. If that fixes the problem then OK.If not then go
Brother Mfc 8840d Troubleshooting
into maintenance mode - Press and hold the menu/set key while turning on the machine. Wait until it comes completely up before releasing. It should say Maintenance in the display.If not press function,*,2,8,6,4 within two seconds. It should say http://support.brother.com/g/b/faqtop.aspx?c=eu_ot&lang=en&prod=mfc8840d_all maintenance in the display. Or on some machines Menu,*,2,8,6,4 within 2 seconds.Once you get it into maintenance hit 91 to do a parameter reset and than 99 to get out of maintenance.If this corrects the problem then OK but you may have a failing thermister in the fuser.If the problem happens again then change the thermister.If the reset does not work then either the thermister or the fuser lamp has failed. In rare cases there is a poor connection http://www.fixyourownprinter.com/posts/26155 with the cables to the fuser.You will have to reset the parameter again after replacing the fuser if you need to replace the fuser or repair it. by Laserman on Jul 1, 2006 at 1:29am Add comment Please sign in to comment Just wanted to thank you for your detailed instructions. although i have a mfc4800, the "menu * 2864" trick is the only thing that worked. you saved me many hours of suffering to fix this machine! - unknown Thank you so much for your post!When I turned my printer firt time after a whole week without power, I got Error 77 message. I googled and found your post. It was very helpfull!Thank you! - Anonymous Thanks, that is brilliant. All fixed - and mine was a MFC 9180. - Anonymous I've have a MFC-8500 here at work and got an error 77 after removing the fuser to get a huge wad of paper out.Power cycling didn't work, but hitting Menu,*,9,9 managed to reset the problem.Thanks! - Anonymous Laserman thank you so much for your detailed instructions. I tried most of the other instructions listed on this website and got nowhere. I have a MFC 9700 that had errors 76 and 77. When I came across your instructions, I decided to try to fix it one last time. If it didn't work at that point the machine would learn how to fly
Copier and Fax Repair 260-417-4807 Brother Tech ArticlesCanon Tech ArticlesCopyStar Tech ArticlesDell Tech ArticlesHP Tech ArticlesKyocera Tech ArticlesLexmark Tech ArticlesOkidata Tech ArticlesSamsung Tech ArticlesXerox Phaser Tech Articles 76, 77, 78 Fuser / Machine Error - Brother MFC 8440, 8640, 8840, 8840 Brother Tech Articles Add commentsFeb 252012 http://www.fortwayneprinterrepair.com/wordpress/2012/02/25/fuser-machine-error-brother-mfc/ 76, 77, 78 Fuser / Machine Errors - Brother MFC 8440, 8640, 8840, 8840 The Brother MFC 8440, 8640, 8840, and 8840 are getting on in age but they are still work horses that should have plenty of life left given some TLC. With their durable print engine, wide variety of features, and low-cost to maintain they have been a much loved piece of office equipment for any small to midsize business. However, they can be prone to 76, 77, 78 Fuser brother mfc / machine error. In this article, I will discuss why they get the 76, 77, 78 Fuser / machine error and how to possibly clear the message to avoid unwanted service expenses. Brother MFC 8840, 8440, 8640, 8220, LM2579001 Fusing AssemblySituation with the Brother MFC 8440, 8640, 8840, 8840 - 76, 77, 78 Fuser / Machine ErrorMost times these errors come out of nowhere. You or another employee goes to check the company faxes or to retrieve a print job and you notice your brother mfc 8840d DCP or MFC has one of four machine error codes: 76, 77, 78, 79. All these errors are fuser related errors. 76 means an overheat issue, 77 is a general fuser error, 78 is an under heat error, and 79 is a defective thermistor error. At this point, you press a few buttons and eventually turn it off and back on only to be faced with the same error. If you call Brother Tech Support they will tell you to turn the machine off and and let it sit for ten to 15 minutes and turn back on . Sometimes they might recommend letting it sit with the error for 15 minutes and it should reset itself. I think I've only seen one machine reset itself. All other I've had to actually go into maintenance mode and clear the 76, 77, 78 Fuser / machine error through the exit and restart sequence.Majority of the time, the 76, 77, 78 Fuser / Machine Error codes results in a sudden power outage where the power briefly turns off and on within a few seconds. You know when the lights flicker and your like what just happened. Usually during storms or when utility work is being done near by. I have a few companies that this happens a few times a year because of frequent short power outages at their locations.Why Brother Brother MFC 8440, 8640, 8840, 8840 76, 77, and 78 Fuser / machine Error Codes HappenBrothers, like a lo