Belt unit is designed for use in HL3140CW digital color printer with wireless networking, HL3170CDW digital color printer with wireless networking and duplex, and MFC9130CW. The approximate yield is 50,000 A4 or letter-size, single-sided pages. Your printer will indicate when you need to replace it.

✅Compatible with Brother HL3140CW. Also works in HL3170CDW and MFC9130CW
✅Support smooth operation