Brother MFC-L2700DW Size Error DX


Joined
Nov 25, 2018
Messages
2
Hi everyone, hopefully i can get some help here before possibly buying a new printer. I have a Brother MFC-L2700DW that all of a sudden stopped being able to do automatic duplex printing. This feature worked for years with no problems or issues, but now anytime i try to print something on both sides of the paper, it pops an error message and spits the paper out with only ink on the one side "page 2".

The error is "Size Error DX" which from everything I have found means the paper size is not supported for duplex printing. My paper has not changed for many years and I am using Letter size which is compatible with duplex printing. Here are some things I tried already...

-updated all the software and firmware of the printer
-took apart everything I could (without using a screwdriver) and cleaned it with an air duster. my thought was that a sensor was dirty and causing this error (maybe I don't know where the sensor is and I still didn't actually clean it)
-made sure all the settings in the pc software and the printer were all set to Letter size paper and auto duplex printing
-made sure that the paper tray clips were all properly adjusted for letter size paper
-unplugged the printer and gave it a few minutes before plugging it back in
-out of frustration gave the printer a good whack :mad:

still, the same error keeps on coming up and I'm already shopping around for a new MFC but still have some hope that this one could be fixed because I have a box of toners I still have for it.

hoping for some help here, any thoughts/ideas on how to fix or what else I could try?

Thanks
 
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Joined
Nov 25, 2018
Messages
2
just wanted to post an update in case anyone ran into the same issue. I fixed it and it turned out to be a faulty toner cartridge. Swapped in a new toner cartridge and everything worked normally.
 
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Joined
Apr 14, 2021
Messages
1
just wanted to post an update in case anyone ran into the same issue. I fixed it and it turned out to be a faulty toner cartridge. Swapped in a new toner cartridge and everything worked normally.
Wow! Thank you so much. I was traveling down the same frustrating path! A new toner cartridge did it!
 

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