Question about Brother MFC-9440CN Laser Printer
1. 2. -> unscrew
shake to empty
Posted on Apr 09, 2013
Your printer has a waste toner box. Given the message you are receiving, it means that it is time to replace the waste toner box. Here's a link for more information regarding this issue:
Hope this helps.
Posted on Mar 21, 2011
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Posted on Jan 02, 2017
SOURCE: printer not printing
On the machine there is a sensor that looks trough the waste tank even though you have wiped it clean the likely thing is that the sensor cannot see through the plastic waste tank.
I suggest vacuum the waste tank out until all the toner has gone then install it. If you cannot get rid of all the toner then wash the tank out and leave to dry then install it.
Hope this helps you
Posted on Jan 07, 2008
SOURCE: Waste ink near full
Here is a link that provides info about this problem. hope this helps.
Posted on May 03, 2009
SOURCE: Waste Toner Full/ Not Install
Behind the little container for the waste toner there is a sensor that senses whether the toner basket is full or not. If the sensor itself is dirty, it can give a false reading. First try cleaning out the area under the container to see if the switch works. Also make sure the container is clean, because the sensor works by sight, so if it looks full because it's dirty, it will give a false reading. I have heard of people disabling that sensor in various ways, but that can get dangerous to the printer. I can't recall the details on that exact model, but I believe there is a diagnostic of some sort that can test that sensor to make sure it works right to begin with.
Posted on Sep 20, 2006
The sensor itself weren´t dirty, but plastics in waste toner tank was bit dusty and sensor couldn´t read through it. So I modded waste toner tank a bit with a knife (took the part away which the sensor uses when reading if it is full or not). And works again beautifullu.
All I have to do know is to take care of waste toner tank manually i.e. checking it every now and then and when it becomes full I throw it away.
Posted on Feb 09, 2008
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