Verified | Zhongnuo Compatible Brother 770 series chips can be used on machines with the latest firmware
 
On May 1, 2023, Brother released the latest firmware for the 770 series machines. See Table 1 for specific firmware information. After testing and verification, the Brother 770 series compatible chips sold by Zhongnuo are not affected by the firmware upgrade released by the original factory, and can be compatible with printers with new and old firmware.


Figure 1: Zhongnuo firmware information monitoring table

Zhongnuo will continue to pay attention to the upgrade of OEM firmware and provide customers with more reliable chip solutions.

Figure 2: Some product models of Brother 770 series