To create a fix firmware you need to send the data of your printer:
1. Model printer
2. Firmware version
3. Serial number of printer
4. CRUM number of Toner chip
1. Connect the printer to the computer and turn on.
- Wait until the printer is ready and wait for Windows to finish searching the drivers.
2. Run link online firmware in Internet Explorer
- Wait for the printer to program done (1-4 minutes) (after the printer is automatically reboot).
3. After flashing, you need delete (glue) the chip and never install other chips.