The following table describes the differences between MP C307/C407 and C306/C406 series:
Items  | MP C307/C407  | MP C306/C406  | Note | 
|---|---|---|---|
| Mainframe | |||
| Controller | 16S | 15S | |
| OCR | Improvement on OCR performance | - | |
| Higher Yield Toner | Supported (only for C407)  | Not available | |
| Air Print | Supported | Not available | Installation of USB options is required for using this. | 
| Smart Apps UI | Supported | Not available | |
Exit and inverter  | DCSOL switching + double clutch method  | Rotary SOL switching method  | |
| ADF set sensor | Hanging shape of the detection feeler | - | |
Auto remote firmware update (ARFU)  | Supported from the initial production  | Supported from the middle of mass production  | |
PM parts list menu  | Available Printing and display of a PM counters list is available.  | Not available  | |
| Laser unit | Adjustment is not required after replacing. | Adjustment is required after replacing. | |
| Options | |||
| Platen cover | Not available  | Available by option | |
ADF  | SPDF (Standard) The CIS of back reading has been added. This requires adjustment when replacing of the CIS unit or SPDF.  | ARDF (ARDF DF1040) Adjustment is not required after replacing.  | |
Paper Feed Unit  | 
  | PB1080  | PB1080TE is PFU which can be locked with a key. | 
1 Bin Tray  | BN1030  | BN1020  | |
| IEEE 802.11a/g/n Interface Unit | Type M19  | Type M2  | Only for NA/EU/AA | 
IEEE 1284 Interface Board 
  | Type M19  | Type A  | |
| Bluetooth Interface Unit | Not available | Type D | |
| Page Keeper | Type M28 | Not available  | Only for NA/EU | 
| Camera Direct Print Card | Type M26 | Type M13 | |
| PostScript3 Unit | Available by option (Type M28) | Standard | PS3 will be offered as an option, as MP C307/C407 is implemented of the PDF/PS clone standard. For more details, please refer to PPLI. | 
| XPS Direct Print Option | Type M28 | Type M13 | |
| USB Device Server Option | Type M19  | Type M12 | Only for NA/EU/AA/KOR | 
| Extended USB Board | Type M19  | Not available | |
| Fax Option | Type M28 | Type M13 | |
| Fax Connection Unit | Type M28 | Type M13 | |
| File Format Converter | Type M19  | Type E | |
| Data Overwrite Security | Type M19  | Type I | |