Description
- Part Number: B57U184-2 (Main PCB Assembly).
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Part Type: Main Board / Motherboard / Logic Board / Formatter Board
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Compatible Models: Brother 3520 / J3520 / MFC-J3520
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Functionality: Processes print data, handles communication, coordinates control signals.
- Restores Printer Functionality – Ideal for resolving boot failures, error codes, or communication faults.



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