Question about Brother MFC-9420CN All-In-One Laser Printer
Even when I replace the toner it still says no toner
The soulution to your problem. Is that you uninstall and then re-instal your printer drivers. This is becouse you might have deleted one of your files. Try this, as in most cases like this by re-installing the printer drivers does the job.
Posted on Jan 16, 2008
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Posted on Jan 02, 2017
There is no 9 4 2 0 cn machine from brother.
Anyway if you run a ink printer from brother have a look around here:
Posted on Dec 05, 2007
when you open the front cover, there is a waste toner tank on the bottom right side of the printer.
Remove the tank and chuck out the waste toner, wipe the tank clean with a cloth and slide tank back in position and close the cover.
this wil resolve the message on the screen
Posted on May 14, 2008
Check the little switch/door on the left hand side of the drums.
This has worked successfully for me.
After replacement of a C3530 Image Drum, the message, "Toner Sensor Error" is displayed.
The plastic shutter in the ID is fully or partially covering the toner sensor window.
Move the cover upward to allow for the sensor to become fully exposed prior to reinstalling the drum.
Posted on Dec 07, 2008
try making a copy off of glass. if black mark is gone, then you have to clean the narrow strip of glass to the left of big glass.
Posted on Apr 15, 2009
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