Based on this product's specifications, here are some alternatives and similar models
AC adapter Brother AD9100ESA 19V 4.74A power supply
Summary description:
AC adapter Brother AD9100ESA provides 19V output at 4.74A for compatible Brother devices. This external power supply replaces original chargers, ensuring stable power delivery for printers or multifunction devices that require these specifications. Useful for replacing faulty adapters or keeping a spare—offers plug-in operation and standard connector compatibility for straightforward setup.