Question about Brother MFC-8460N All-In-One Printer
It's possible that the toner has not been reset due to the fact that you changed the drum at the same time. There is a cover on the left hand side of the toner covering some gears. Remove this (one screw) and wind the toner reset gear (white one by memory) back and refit the cover and put the toner back in the machine. It may take you a few to get it in the right spot but that will reset your toner count and get rid of the error.
Posted on Jan 24, 2008
You guys were right about the plastic peace! after taking off the outside panel and locating the plastic piece I discovered it had a broker piece in it! I then removed the circut board and discovered that there is a plastic piece on the lower right side on the back of the circut board. Anyway The Final solution here is to fill that small part on the back of the circut board with plastic or paper folded up enough to seperate the legs on the back piece and block them from seeing each other.
I think it is a infared sensor that is the ultimate problem...Any way it worked for me. and I thank you all for pointing me in the right direction++++++++
Posted on Dec 18, 2009
Bowdo is exactly right. I just had this problem this morning and the solution is a crappy little spring attached to a black piece of plastic on the inside left of where you install the toner/drum.
The solution is easy and takes about 5 mins, but does require a screwdriver. Why Brother wont walk you through this on the phone I have no clue. Actually, I suspect the spring mechanism is only there to prevent use of non-brother toner and drums since thats where they make their money... but another matter entirely.
To fix it, you need to take off the left hand gray plastic exterior cover. It is a little hard to find the two screws that hold it on. One is behind the flip down cover on the back and the other is behind the pull down gray plastic corner shaped cover on the front (with the button) that you use to load the toner/drum.
Unscrew the screws and pull off the left hand cover. If you also take out the drum/toner cartridge you can touch the spring with black plastic on the inside left and simultaneously see it rotate from the outside left. The spring is actually a piece of wire that snaps the black plastic back (very poorly). The purpose of the spring/plastic part is to engage something that looks like a green circuit board on the outside left (you can only see if the left cover is off). I have had two problems with this spring. One it can come off entirely which requires some tweezers to reattach it correctly. Two it can fail to rotate all the way so that engages the green circuit board. Just rotate it all the way until it "fills a gap" in the circuit. You cant test it by putting the drum/cartridge back in. Thats when the error went away for me.
Basically I think this is a great machine with really, really, really crappy part that causes all kinds of problems. In fact, seems like there ought to be a workaround so that you can disable the spring and have the circuit contacted all the time. Again, I think this is purposely done (poorly and after the intital design) to make people use Brother cartridges.
Hopefully this helps. I am not a tech wizard and I fixed it myself without really knowing what was wrong, so dont waste money on their "authorized repair." Just do it yourself and get back up an running.
Posted on Apr 14, 2008
Somebody tried to install the toner without the drum and pushed the same black plastic flipper arm off its shaft. I pushed it back on from the outside.
Posted on Apr 21, 2008
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Posted on Jan 02, 2017
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