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| Error / Symptom | Likely Cause | Resolution | | :--- | :--- | :--- | | | Windows Update replaced Samsung driver with generic Microsoft IPP driver. | Remove printer from Devices. Reinstall using HP-supplied V3.12.4 driver. Disable “Allow Windows to manage default printer”. | | Printer shows offline but can ping | SNMP status mismatch. | Go to Printer Properties → Ports → Configure Port → Disable SNMP Status Enabled . | | Scan to PC not working | Samsung Scan Assistant not installed or firewall blocking port 9221. | Reinstall with Full Suite. Add firewall exception for SamsungScan.exe . | | Mac cannot find scanner | Missing ICA driver. | Download “Samsung Easy Printer Manager” separately from HP support. | | Print job stuck in queue (0 bytes) | Wrong driver architecture (x86 driver on x64 OS). | Uninstall driver. Reboot. Install correct x64 driver. | Download - Samsung K3300nr Printer Driver