Drivers for the Canon L11121E can be downloaded below for Windows 11/10/8.1/8/7/Vista and XP for 64bit and 32bit versions of Windows. This printer is part of the Canon i-SENSYS series and is marketed under i-SENSYS LBP2900 and LBP2900B. Installation is simple download the installation package: LBP2900_R150_V330_W64_uk_EN_2.exe
(for 64bit) save the file to a handy location that can be access after the download. The setup package needs to be run as an Administrator.
Once running the installer there rest is automatic.