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Small rectangular printhead sensor with plastic housing and metal contacts, model B57U321-1

YINGHUA

YINGHUA Printhead Sensor B57U321-1

SKU CH-B0PY-F805N

Printhead sensor fits Brother printers using part number B57U321-1

  • Product categoryPrinthead
  • Printhead sensor restores print quality using part B57U321-1
  • New component ensures reliable Brother printer compatibility
  • Printhead assembly fits Brother models requiring 57 321 specification
  • Fresh stock guarantees consistent performance for scanning and printing tasks

Printhead Sensor B57U321-1

This printhead sensor is a replacement component for Brother printers. It suits technicians and owners who need to restore printhead function on compatible machines. The part is supplied new and ready for installation.

Compatibility check B57U321-1

The single specification that decides fit is the Brother part number B57U321-1 printed on the original sensor. Verify that number on the removed component before ordering. Buyers who need a different Brother part number cannot use this sensor.

How it compares

Measured against everything we stock in Print & Scan Accessories, at today’s prices. Recalculated every night.

Price $59.99
Cheaper than about 66% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinthead

Questions about this item

What does the B57U321-1 printhead sensor do inside a Brother printer?

It monitors the printhead position and temperature so the controller can fire each nozzle at the correct moment.

Which interface does the B57U321-1 use to talk to the printer mainboard?

It connects through the standard Brother printhead flex cable that carries both power and signal lines.

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