Canon MF275dw User Manual

Also see for MF272dw: User guide Setup guide

Machine Does Not Automatically Switch BetweenTelephone and Fax94WS-0H3Troubleshoot by checking the items below.Is the RX Mode Set Appropriately?● Check that the RX Mode is set according to your fax purpose, and change the setting, as needed. ChangingFax RX Mode and Setting the Action when Receiving a Fax(P. 220)● When a regular telephone or optional TELEPHONE 6 KIT is connected, set the RX Mode to [Fax/Tel (AutoSwitch)].Is the Ring Start Time Too Short When the RX Mode Is Set to [Fax/Tel (Auto Switch)]?If the time until ringing starts after receiving a fax is too short, the machine may not be able to determine that itis a fax and you may hear an incoming ring when the fax is received. Check the [Ring Start Time] setting, andincrease the time, as needed.[Home] screen on the operation panel [Fax] [TX/RX Settings] [RX Mode] [Fax/Tel (Auto Switch)][Ring Start Time] enter a time [Apply]Is the Line Status of the Sender Good?If the line status of the sender is poor, the machine may not switch to fax at a fast communication start speed.Check the [RX Start Speed] setting, and decrease the speed, as needed.Log in to Remote UI in System Manager Mode [Settings/Registration] [RX/Forwarding Settings] [Fax RXSettings] [Edit] in [Basic Settings] in [RX Start Speed], select the speed [OK]On the operation panel, select [Menu] in the [Home] screen, and then select [Function Settings] to configure thesettings. [RX Start Speed](P. 443)Does the Machine Have Sufficient Free Memory?Check the faxes received in the memory of the machine, and print or forward them as needed, and delete anyunnecessary faxes. Viewing and Printing Faxes Saved in the Memory(P. 330)Does the Sender's Fax Machine Support a Fax Identification Signal (CNG Signal)*1?If it does not support this signal, the machine will not switch automatically to fax receiving mode. Change theRX Mode to [Manual] to receive faxes manually. Changing Fax RX Mode and Setting the Action whenReceiving a Fax(P. 220)*1 The fax identification signal (CNG signal) is a beeping sound transmitted by the sending fax machine.Troubleshooting549