This is a "bricked" state. Do not throw away the printer. Contact Xerox Business Support. For in-warranty units, they will send a service technician with a JTAG flashing tool. Out of warranty, a replacement controller board costs ~$200, cheaper than a new printer.
Connect the printer to a reliable power source. Never attempt an upgrade during a storm or if your office is experiencing power fluctuations. xerox b1025 firmware upgrade
If your firmware upgrade fails or stalls, remain calm. Most issues stem from minor environmental barriers rather than hardware failure. The Update Stalls Mid-Way This is a "bricked" state
To upgrade the firmware on your Xerox B1025 , you can use the for a remote update or a USB flash drive for a manual local update . Option 1: Using the Embedded Web Server (Recommended) For in-warranty units, they will send a service