| CB441-67902 | Low voltage power supply board - 110 to 127VAC input |
| CB441-67903 | Low voltage power supply board - 220 to 240VAC input |
| Q5987-67903 | Formatter (main logic) board - For HP Color LaserJet 3600 Series only |
| Q7793-60001 | Formatter (main logic) board - For HP Color LaserJet 3600 |
| RM1-4377-040CN | HP Low voltage power supply board - 110 to 127VAC input |
| RM1-4378-040CN | Low voltage power supply board - 220 to 240VAC input |
| RM1-2580-120CN | DC controller board - For Color LaserJet 3600 and 3800 printers |
| RM1-2580-150CN | Dc Controller Assy-Clj 3000-R1.55.00dc Controller Assy-Clj 3000-R1.55.00 |
| RM1-2581-000CN | Driver PC board assembly |
| RM1-2582-000CN | Relay PC board - Includes ribbon cable that connects to DC controller board |
| RM1-2585-000CN | Toner cartridge sensor PC board |
| RM1-2576-000CN | Cassette sensor PCA - Senses when paper tray is correctly installed |
| RM1-2578-070CN | High voltage power supply board |
| RM1-2578-100CN | High voltage power supply board |
| RM1-2580-100CN | DC controller board - For Color LaserJet 3600 and 3800 printers |
| RK2-1007-000CN | LVPS Discharge Tool - RK2-1007-000CN |
| RM1-2632-000CN | Relay PC board - Includes ribbon cable that connects to DC controller board |