Brother printers: Toner levels fixed at 50%

RELATED TO:
GITHUB #3030
GITHUB #4637

Validate.php is “Ok”.

Black Toner Cartridge, Cyan Toner Cartridge, Magenta Toner Cartridge, Yellow Toner Cartridge for both my Brother Printers “MFC-L8850CDW” and “MFC-9330CDW” shows “50%”.

MFC-L8850CDW
Discovery: https://p.libren.ms/view/f005e3fc
MFC-L9330CDW
Discovery: https://p.libren.ms/view/0126ec2d

Can’t post poller since I can only post 2 links per topic.