Brother MFC-9420CN All-In-One Laser Printer "door open error" Questions

...door open, please close back door'' - back door is closed Hi my Brother fax machine MFC 7420 keeps saying that the back door is open when it is not - its fully closed. I've turned the fax on and off ...

...door open' the 'back door' is not open, but the printer keeps scrolling this error. What is required to fix it? Open the front cover and remove the drum and toner. There should be a paperjam in the ...

...door is open and to close it. I have tried to do this. I can't see that anything is open. My email address is [email protected] Hi. Open the back door, look closely for tiny specks of paper, use a ...

...open the door and place the toner. This might solve the problem. You can also try to soft reset the printer. If none of these works, you might have to change the thermistor. Error 77 means that the ...

...error 74 points to toner empty. open front door, press "options" then "start" then "1" and "0". once shows accepted, close front door. make note of this as it very well may happen again. hth, ...

...open the front door remove drum unit you will 'Blue' liver on the top of the drum just move it in opp. direction and again move to same position, before closing the door press the options button on ...

how do i clear drum error message with the front door (toner/ drum door) open press clear/back button then 1 for yes.

...open each door there is a small hole that have a switch , put a pice af paper in and activate the switch This is the most useless response - what switch? which door? what do you mean by "put a piece ...

...lever correctly closed the gap on the sensor (when both doors are closed) and the back door open error went away. So that's how you really fix it!!!! James Hilliard - Totally super awesome guy! hee ...

door open' error went away. Good Luck!! Thanks The print has some way of knowing when the printer door is open. This is likely a button or a latch that gets compressed or moved when the door is closed