| 1150-7940 | Wireless PC board assembly - For use with the HP Laserjet and Color Laserjet Pro MFP printer series |
| 1150-7967 | Wireless PC board 802.11N single band radio - For products M377, M477fnw/fdw |
| CE711-60001 | PCA-Fax Card US |
| CE712-60001 | PCA-Fax Brazil |
| CF206-60001 | Fax PC board assembly (US only) |
| CF206-67018 | FAX CARD-WW EXCPT EURO Rohs2.04 |
| CF207-60001 | Fax PC baord assembly (Europe only) |
| CF208-60001 | Fax PC baord assembly (Brazil only) |
| CF379-60001 | Formatter (main logic) PC board assembly - Use with the M477fdw printer series only |
| CF379-60003 | Formatter (main logic) PC board assembly - Use with the M477fdw printer series only |
| CF379-67018 | Formatter (main logic) PC board assembly - Use with the M477fdw printer series only (China) |
| RM2-6440-000CN | Fuser power supply PC board - For 110-127 VAC |
| RM2-6441-000CN | Fuser power supply PC board - For 220-240 VAC |
| RM2-7909-000CN | Engine controller PC board assembly - Use with duplex models only |
| RM2-7366-000CN | 550-sheet paper feeder driver PC board assembly |
| RM2-7366-010CN | Assy-paper feeder driver pcb |
| RM2-7369-000CN | Driver PC board assembly |
| RM2-7374-000CN | Memory PC board assembly |
| RM2-7376-000CN | Environment PC board sensor assembly |