The Canon FAX-L400 and Canon FAX-L300 are fax machines, and the FAX-L400ICD300 Windows driver refers to the software that allows these fax machines to communicate with a computer running Windows. This driver enables your computer to send faxes directly from applications such as Microsoft Word, Excel, or any other software that supports faxing, provided the fax machine is connected to your computer either via a USB cable or network.
how to install the Canon FAX-L400ICD300 Windows driver: