| Item | Machine Code | New Option? |
|---|---|---|
| Extended USB Board Type M19 | D3BS-01 | No |
| IEEE 802.11a/g/n Interface Unit Type M19 | D3BR-01 | No |
| IEEE 1284 Interface Board Type M19 | D3C0-17 | No |
| IPDS Unit Type M26 | D3D8-20 (NA) D3D8-21 (EU) D3D8-22 (AP/CHN) | Yes |
| PostScript3 Unit Type M26 | D3D8-05 (NA) D3D8-06 (EU) D3D8-07 (AP/CHN) | Yes |
| XPS Direct Print Option Type M26 | D3D8-24 (NA) D3D8-25 (EU) D3D8-26 (AP/CHN) | Yes |
| OCR Unit Type M13 | D3AC-23 (NA) D3AC-24 (EU) D3AC-25 (AP/CHN) | No |
| File Format Converter Type M19 | D3BR-04 | No |
| DataOverwriteSecurity Unit Type M19 | D3BS-03 | No |
| Taiwan Language Kit Type S6 | D260-31 | Yes |
| Korean Language Kit Type S6 | D260-32 | Yes |
- You can only install one of the following units at the same time: IEEE 802.11a/g/n Interface Unit Type M19, IEEE 1284 Interface Board Type M19, File Format Converter Type M19.