1. Download : SamsungML1865W_firmwareV3.00.01.06
2. Print a test page (press STOP 3-6 sec), see the serial number.
3. With the program ChangeSN.exe change the serial number on Z5VLBKCB100302T.
4. Restart the machine, check that the serial number has changed.
5. Drag Z5VLBKCB100302T_FIX_ML1865W_V3.00.01.06.hd on usbprns2.exe (wait about 5 minutes).
6. Pull or chip seal, check the paper.