You must be logged in as an administrator to run the update tool. Step-by-Step Firmware Update Guide 1. Identify Your Current Version
| Error Code | Meaning | 32-Bit Specific Fix | |------------|---------|----------------------| | | USB timing out | Use a USB 2.0 port directly (not 3.0 or via hub). | | E-200 | Firmware mismatch | You downloaded 64-bit firmware. Re-download 32-bit. | | E-400 | Low memory | Close all programs. On 32-bit Windows, free at least 512MB RAM. | | No connection | Driver conflict | Uninstall printer from Devices, reinstall using Canon’s 32-bit INF file. |