Download the driver from Canon Asia, disable driver signature enforcement once, and store the installer on a USB drive. Your 32-bit Canon LBP 2900B can easily print for another five years.
If you encounter issues during or after installing the Canon 2900B driver on your 32-bit system, try the following troubleshooting steps: canon 2900b driver 32-bit
Canon maintains an older FTP archive that is not indexed by modern search engines. Try: Download the driver from Canon Asia, disable driver