Question about Brother MFC-7820N Laser Printer
I cannot get the paper jam inside open the front cover message to go and there is no paper stuck inside.
First check again if cover closed properly. If message does not go, Switch off the machine at the outlet and re-connect. It might re-set. If that does not work, try re-set button in the panel and lastly check troubleshoot in the manual. Good luck
Posted on Jul 19, 2013
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Posted on Jan 02, 2017
SOURCE: paper jam
Here is the most important thing to understand about paper jams in any printer....
The printer does not know if there is a paper jam anywhere in the printer.
What it does do, is respond to sensors ( optical sensors, either open or closed, by plastic flags). These flags are moved as paper moves through the paper path.
One example of a paper jam message when there is really no paper jam, is when the feed rollers are worn and do not pick up paper from the paper tray.
When you start printing, the printer expects that first sensor to open ( paper passes the sensor ) at a very specific point in time. If the paper did not get picked up from the tray, then the printer will ASSUME that the paper must be jammed somewhere because it did not reach it on time.
Now this will also happen if in fact the paper did get picked up and then jams prior to the sensor.
So... if you get the picture of how this works, understand then too, that if the printer is showing a paper jam message at power on, then one of the flags is open when it should be closed.
If you do not actually have a piece of paper holding this flag in the open position, then the flag is possible broken.
I usually see this kind of damage occur after a true paper jam, where the paper is removed either in the wrong direction ( pulled out back the way it was going instead of the way it should normally travel ), and this breaks the flag, or it was pulled out forcefully again, catching on and damaging the flag.
All of the above pertains to ANY printer, and not just yours. you must take care to fully inspect every inch of the paper path, from the paper tray, to the exit, use a flashlight, and look for the sensors and make sure they are not blocked or broken.
Posted on Nov 06, 2008
SOURCE: mfc-7220 Back Cover Open
This one made me crazy, but I finally figured it out. Turn the machine around so that you are facing the back. Open the back cover. Pull down the second smaller roller cover inside the machine. If you look closely at the second smaller cover, on the right hand side (closer the the inside of the machine), is a very thin round piece of plastic that is only half the length of the smaller cover. There are 2 thin plastic tabs attached to either end of this round piece of plastic. Gently shift this over so that the 2 plastic tabs can now go into the space provided for them. I had to move mine over only 1/4 inch.
Posted on Nov 13, 2008
SOURCE: paper jam in brother MFC 240C
Usually small pieces of paper are jammed at the print head area. Lift up the scanner and see if you can find the paper at the print head parking area, clear the paper . If you can't find the paper, remove the scanner cables, then the scanner. You will see 2 screws at the rear and one near the USB connection. Another 3 screws towards the front will remove the front panel. Under the panel remove 4 screws and the two panel harnesses. The is a speaker harness which you must remember to attach back later (most people don't remember to put back). Lift up the top cover and you can see the whole engine. Clear any pieces of paper that might be there.
Posted on Dec 12, 2009
There is a little cover there that has a sensor flag on it. It is most likely in a jammed position. If you are able to carefully take the cover out, you can bend it slightly, readjust the sensor flag, and reinstall it.
Posted on Mar 12, 2010
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