https://community.usa.canon.com/t5/Office-Printers/ImageCLASS-MF753Cdw-Line-is-busy-when-attempting-to-send-a-fax/m-p/550895#M26685 <P>Greetings,</P> <P>Are you using an analog phone line?</P> <P>Or is your line VoIP based?</P> <P>If you dial the number from a different device, does that fax answer and provide a negotiation tone?</P> <P>&nbsp;</P> Tue, 27 May 2025 18:24:28 GMT shadowsports 2025-05-27T18:24:28Z https://community.usa.canon.com/t5/Office-Printers/ImageCLASS-MF753Cdw-Line-is-busy-when-attempting-to-send-a-fax/m-p/550884#M26684 <P><STRONG>Trying to send a fax and it keeps coming back saying "communication failed because the line is busy at the fax destination".&nbsp; Busy/no signal.&nbsp; &nbsp;This is on every fax and there is nothing wrong on the receiving end. Why is this happening. </STRONG></P> <P>&nbsp;</P> Thu, 29 May 2025 12:26:47 GMT https://community.usa.canon.com/t5/Office-Printers/ImageCLASS-MF753Cdw-Line-is-busy-when-attempting-to-send-a-fax/m-p/550884#M26684 Tigger279 2025-05-29T12:26:47Z https://community.usa.canon.com/t5/Office-Printers/ImageCLASS-MF753Cdw-Line-is-busy-when-attempting-to-send-a-fax/m-p/550895#M26685 <P>Greetings,</P> <P>Are you using an analog phone line?</P> <P>Or is your line VoIP based?</P> <P>If you dial the number from a different device, does that fax answer and provide a negotiation tone?</P> <P>&nbsp;</P> Tue, 27 May 2025 18:24:28 GMT https://community.usa.canon.com/t5/Office-Printers/ImageCLASS-MF753Cdw-Line-is-busy-when-attempting-to-send-a-fax/m-p/550895#M26685 shadowsports 2025-05-27T18:24:28Z