Brother MFC-L3750CDW Waste toner replaced, Alarm message wont clear / reset

Feb 15, 2021
I'm hoping this community could assist with my issue of NOT being able to reset the alarm "Replace WT Box". I have already replaced the WTB with a new unit & tried various suggested YouTube fixes. I.e. remove WTB unit & try resetting using both closed & open contacts. NO luck.
The unit has done very little work in my home office.
Thanks in Advance.

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