Follow the on-screen instructions. when the installer asks you to. Method B: Manual Installation (If Setup fails) If the setup fails, use the "Add a Printer" method: Connect the D300 to your PC via USB and turn it on. Open Control Panel -> Devices and Printers . Click Add a printer .
If you are using Windows 11 or 64-bit Windows 10, you might encounter issues. Try these solutions: canon imageclass d300 driver
Support for macOS is virtually non-existent. The architecture of macOS has shifted significantly from PowerPC to Intel and now Apple Silicon (M1/M2/M3). The vintage CAPT drivers designed for OS 9 or early OS X iterations are functionally incompatible with current macOS security protocols and architecture. Follow the on-screen instructions
Always prefer usa.canon.com (search for D300 or similar D320/D340 if D300 isn't available). Open Control Panel -> Devices and Printers