this post was submitted on 05 Mar 2025
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I have a black and white brother laser printer that had 3rd party toner that worked fine for years, it was even a two pack of toner. Then I installed a firmware update and immediately it threw an error stating trouble with the toner and refused to print. Tried the unopened 2nd toner, same error. Looked and searched all over online and could not find the previous firmware to try a roll back.
I then purchased a new two pack of 3rd party toner from a different brand and it worked just fine. My guess is with each new firmware they also have a set of chips to block (each toner has a chip on it) that they bundle into to update.
I'll never install another firmware update for that printer now.
I would consider what they did as bricking my toner.