drivers may not be natively supported on the latest Apple Silicon (M4) or macOS versions, leading to connection failures.
| Problem | Solution | |---------|----------| | Printer not found during installation | Check network connection. Ping the printer’s IP from your PC. Ensure printer and PC are on same subnet. | | “Driver is unsigned” error (Windows) | Temporarily disable driver signature enforcement (for older Windows 7/8) or update Windows. | | ScanGear doesn’t detect scanner | Install Canon Network Scan Utility; enable “Use WIA driver” in ScanGear settings. | | macOS cannot find driver | Add printer via IP (LPD protocol) and manually select the Canon UFR II driver from the “Software” list. | | Printing very slow | Switch from PS to UFR II driver; enable “Print as Image” for complex PDFs. | Canon Ir C5235i Printer Driver Download
Windows 11, 10, 8.1, 7, Vista, and XP (both 32-bit and 64-bit). drivers may not be natively supported on the
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