I was able to get the Canon driver linux-UFRIILT-drv-v500-usen-18.tar.gz from https://www.usa.canon.com/support/p/imageclass-lbp6230dw to work on Ubuntu 24 LTS by doing the following:

1. sudo dpkg -i libgnome-keyring-common_3.12.0-1build1_all.deb with the file from https://launchpad.net/ubuntu/vivid/amd64/libgnome-keyring-common/3.12.0-1build1

2. sudo dpkg -i libgnome-keyring0_3.12.0-1build1_amd64.deb with the file from https://launchpad.net/ubuntu/disco/amd64/libgnome-keyring0/3.12.0-1build1

3. sudo dpkg -i multiarch-support_2.27-3ubuntu1_amd64.deb with the file from https://launchpad.net/ubuntu/bionic/amd64/multiarch-support/2.27-3ubuntu1

4. starting the driver install script: sudo ./install.sh

5. selecting LBP6230dw in popup window and connecting via USB