This long ago discontinued Toshiba/ Lexmark model (not sold in North America) was introduced in 2014. Support is no longer available, you are likely...
"The U.S. is on course to end 2023 with one of the largest annual drops in homicides on record, according to preliminary figures from AH Datalytics,...
Could it be that it had a Lexmark toner cartridge installed, not a Toshiba cartridge? Or vice-versa? I'd think the EEPROM would be coded differently....
There certainly isn't a lot of detail in that bulletin. It would have been nice to know what changed. Or would that be too much like admitting there...