If you own a Canon website, link this article to your “Canon Cartridge 118 Toner” page and “Canon FAX L140 User Manual” PDF.
However, even the most robust hardware is useless without the correct software bridge—specifically, the . This driver acts as the translator between your computer (running Windows or macOS) and the printer. If the driver is missing, corrupt, or outdated, your device may refuse to print, scan, or fax. canon fax l140 printer driver