Question about Brother MFC 7420 All-In-One Laser Printer
Every time I try to install software, I get to the point where it say's connect to computer and turn on printer. I do that and nothing ever happens. That screen just sits there like that for hours until I shut off.
First unplug the printer from the computer. Go into the device manager, under system in the control panel. You should see some devices listed as unknown device or it may have the printer name with a yellow exclamation mark by the name. Delete any of these that you see. Leave the printer unplugged and restart the computer. When it boots up reinstall the printer software and don't connect the printer until the software says to. It should go right through the install now.
I hope this helps, if so please rate my solution.
Posted on Feb 10, 2012
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Posted on Jan 02, 2017
SOURCE: Refill toner Brother MFC 7420
open front cover, press OPTION button, on the LCD will appear a message "NEW DRUM?" ....DO NOT RESPOND....just type on the keyboard "*00" and there will appear a message "Accepted" and use it in your pleasure.
PS. in any case i blocked with paper labels the viewing windows from transparent plastic on the toner itself....
Mr. Brother, do not try to be smarter than your customer
Posted on Jul 17, 2008
I have the answer. I just fixed mine. The sensor is not really on the door. You have to remove the door by openning it all the way and carefully sliding it out ( one of the pegs holding the door is hourglass shaped. This will slide out first. The other is round. You will see a black flap that covers a red drum. Pull the flap down carefully. There will be a six inch long rod it's about 1/8 of an inch in diameter. It extends from the middle of the flap all the way to the right side. This probably popped out of place. Make sure that it is all the way to the right as this is where the sensor is. There is a little spring on the bar on the left side. This should be straight up and down. if it is not, then you need to fiddle with the bar.
The trick was that the sensor is NOT on the door, but on this inner flap. When the door closes it pushes this flap agains the drum and the little bar activates the sensor.
Please do not applaud so loud, you are ambarrazing me!!! hehehe. Good luck!.
Posted on Aug 11, 2008
If the black lines comes when using the ADF (top feeder), try to see if you get the same problem when using the scanner glass or receiving faxes. If you don't, you simply have to clean the glass strip to the left of the a4 sized scanner glass. Wipe it with a dry cloth piece, no paper and no water/alcohol. If you see some dirt there that you're unable to simply wipe off, try to use a cotton wool to "rub" it off.
Posted on Jun 14, 2009
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