11 Fix - Samsung Ml-1640 Driver Windows

| Problem | Solution | |---------|----------| | “Driver not signed” error | Disable driver signature enforcement temporarily: Shift + Restart → Troubleshoot → Advanced Options → Startup Settings → Restart → Press 7. | | Printer shows offline | Go to Printer Properties → Ports tab → Confirm USB port is checked. Uncheck “SNMP Status Enabled”. | | Prints garbage text | Wrong driver. Switch to HP PCL 5 or Generic Text Only. | | Paper jam error when no jam | Clean pickup roller. Reset printer: unplug 30 sec, plug back in. | | Driver install freezes | Disable antivirus temporarily; use Windows built-in “Add Printer” method instead of manufacturer installer. |