Condition Notes
This is a used item in good physical condition. It will function in the correct printer only. Please confirm compatibility prior to purchase to make sure that what you see will work for your needs. No visible physical damage to components or connectors.
Detailed Description
This is a genuine OEM main logic board pulled from a Brother MFC-J5855dw Color Inkjet Wireless Duplex All-in-One Printer. It features the main processing unit and includes the attached wireless network module (T99H209). The board is marked with part number B57U400-6. This is a used replacement part intended to restore functionality to a compatible printer. Please note that buyers must confirm compatibility with their specific machine prior to purchase, as this will only function correctly in the designated printer model.
What's Included
Brother Main Logic Board (B57U400-6) with attached Wireless Module (T99H209) only. No cables or mounting hardware are included.
Key Features
• Genuine Brother OEM Replacement Part
• Includes Wireless Network Module (T99H209)
• Board Part Number: B57U400-6
• Compatible with Brother MFC-J5855dw
• Multiple I/O and internal connectors
Applications
Printer repair, main board replacement, restoring functionality to Brother MFC-J5855dw printers.
📷 Photography Notes
I never use stock pictures; I always take pictures of the exact item(s) that I am selling. So what you see in my pictures is exactly what you would receive if you make the purchase.
📦 RETURN POLICY
Most returns are accepted within 30 days — buyer pays return shipping.
Items must be returned in the same condition, with all packaging, accessories, and serial numbers (shown clearly in photos). Return eligibility depends on the listing: → "30-Day Returns" or "No Returns" will be shown. Forced returns on "No Returns" listings may qualify for a partial refund if returned incomplete.
🚫 No returns on:
• Personal care items
• Digital/software goods
• Opened sealed items
• Electronics with mismatched serials
ℹ️ PRODUCT INFORMATION
Item details were auto-filled using 's catalog (via UPC) and personally verified by me. Optional item specifics were enhanced with AI to improve clarity and precision.
Based on the most reliable data available anywhere, AI was used to compile this listing with exceptional accuracy.
If there's ever a mismatch, it's due to limited data — not human error.
Product Identifiers
— Brand: Brother
— Model: B57U400-6
— Serial Number: MF15AG41817911100
— MPN: B57U400-6
— Type: Main Board
— Compatible Brand: Brother
— Compatible Model: MFC-J5855dwNice
