# Initial Set Up
Device Management > Configuration > Fax > Program Special Sender > Initial Set Up

Configure the settings for the initial setup.

### Authorized Reception

Set the authorized reception function.

#### The Sender Specified in Authorized Reception per Sender

Set the sender specified in authorized reception per sender.

### Special Sender Reception

Set the special sender reception.

### Bypass Tray Paper Size

Set the paper size of the bypass tray.

### Custom Paper Size

Enter the custom paper size when Custom Size is selected.
Enter the length of the paper's short and long edges, in the Horizontal and Vertical boxes respectively, in the units set on the machine (inch or mm).

## Buttons

### Refresh

Click to update the currently displayed information.

Note

- Before making the settings, click Refresh to obtain the machine's current status.

### OK

Click to apply the settings.

### Cancel

Click to cancel the settings.

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