By following this long-form guide, you should have your Canon F166 400 printer operational without the frustrating search loops for specific files that often plague older hardware. Always prioritize official sources over third-party mirror sites to protect your system from malware.
A recent Windows update or a corrupted spooler file is the most likely cause. Run the Windows Print Troubleshooter (Settings > System > Troubleshoot > Other troubleshooters > Printer). Canon Printer F166 400 Driver
This is a common "false positive" with older printer drivers that attempt to access system ports. However, only trust the file if it came directly from canon.com . If you downloaded it from a random superccomputerrepair.com or an unnamed alldrivers4devices.net , delete it immediately, as these sites are not safe repositories for official Canon software. By following this long-form guide, you should have
The installer will detect your LBP6030w/F166400 printer. Run the Windows Print Troubleshooter (Settings > System