1. Compatibility: Ensure that the compatible toner cartridge is explicitly designed to work with your specific Canon printer model that requires the FX9 toner cartridge.
2. Quality: Opt for reputable manufacturers with a track record of producing high-quality compatible toner cartridges. Reading reviews and user feedback can help you assess the quality of the product.

Canon Printer Models Compatible with Canon FX-9 Toner Cartridge

Canon L100 Fax Printer

Canon L120 Fax Printer

Canon L140 Fax Printer

Canon MF4122 Printer

Canon MF4150 Printer

Canon MF4350 Printer

Canon MF4680 Printer

Canon MF4320D Printer

Canon MF4370DN Printer