No.  | Name  | Description  | 
|---|---|---|
1  | Display panel  | Displays icons for functions and applications. Displays the operation screens, operation keys and other information.  | 
2  | Speaker  | Produces the operation and warning sounds.  | 
3  | Main power indicator  | Indicates power OFF/ON, and energy saving status.  | 
4  | USB slot for digital cameras  | You can connect the optional numeric keypad and digital cameras.  | 
5  | USB slot for NFC card readers  | You can connect the authentication card reader/writer and devices supporting near-field communication (NFC).  | 
6  | NFC tag  | Used to connect the machine and a smart device with the RICOH simple input and output.  | 
7  | [Check Status] indicator | Indicates system status. | 
| 8 | Data In indicator | Flashes when the machine receives data from a printer driver or LAN-Fax driver. | 
| 9 | Fax indicator | Indicates fax status. 
  | 
10  | Microphone  | There is currently no function that uses this.  | 
11  | Extended Feature key (EX3)  | Used for system maintenance, such as control panel self-check.  | 
12  | Extended Feature key (EX2)  | Used for system maintenance, such as control panel self-check.  | 
13  | Extended Feature key (EX1)  | Used for system maintenance, such as control panel self-check.  | 
14  | Control panel reboot key  | Used when rebooting the control panel.  | 
15  | SD card slot  | Insert an SD card here.  | 
16  | Media access lamp  | Lights when an external media is inserted into the SD card slot or the USB slot.  | 
17  | USB slot  | Insert a USB memory device here.  |