Other Party's Telephone or Fax Number Is Not Displayed
Troubleshoot by checking the items below.
Is the Machine Connected to a Telephone That Supports Number Display?
The machine does not support number display. When a telephone that supports number display is connected to the machine, the other party's number can be displayed on the display of the telephone.
* The other party's number may not be displayed even if a telephone that supports number display is connected to the machine. For details, see the manual of the telephone.
Is the RX Mode Set to [Auto] or [Fax/Tel (Auto Switch)]?
If so , when the settings are configured so that the machine rings when receiving a fax, the other party's number can be displayed on a connected telephone that supports number display while the machine is ringing.
Log in to Remote UI  [Settings/Registration]  [RX/Forwarding Settings] or [RX Settings]  [Fax RX Settings]  [Edit]  select the [Use Incoming Ring] checkbox  enter the number of rings  [OK] |
On the control panel, select [Menu] in the [Home] screen, and then select [Function Settings] to configure the settings.
[Incoming Ring]