Originally Posted by
FRJ
I had a customer recently bring in a Brother MFC-L3770CDW, stating that the generic (Non-OEM) TN227 (black) toner we supplied him did not work in his machine. After messing around with it for a bit, I updated the firmware thinking that the firmware version on the machine might be in conflict with the chip on the toner. The firmware was on version 1.56, so I updated it to 1.59. After updating, it went from saying "Replace Toner" to "No Toner". I went in to maintenance mode, and it gave a 2500 error (cannot communicate with black cartridge chip). I reset the black toner, swapped out the cartridge, and restarted the machine but that did not work. I unfortunately do not have an OEM toner at this time, so I was not able to test if switching to an OEM would fix it. Has anyone else dealt with an issue like this before? Any advice is appreciated.
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