Description
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Part Number(s): LT2283001; also listed in Brother parts manual as MAIN PCB B57T054 ASSY12 / code D00EFV001 for MFC-9140CDN.
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Compatible Models: Brother 9140, MFC-9140CDN / CD-series variants.
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Functionality: Manages USB input, print data processing, and communication with internal modules (control panel, sensors, motors).



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