| Connector/Port | EIO, Jetdirect, Parallel, USB |
| Depth | 24.80 in |
| Duplex Printing | Automatic |
| First Page Out | 16.0 s |
| Height | 32.80 in |
| Individual Ink Cartridges | Yes |
| LCD Display | Yes |
| Maximum Memory | 544 MB |
| Maximum Paper Size | 8 1/2 in x 14 in |
| Maximum Print Speed (Black) | 27.0 pages/min |
| Maximum Print Speed (Color) | 27.0 pages/min |
| Model Name/Number | LaserJet 5550dtn |
| Monthly Duty Cycle (Pages) | 120000 |
| Network Capable | Yes |
| Network Ready | Yes |
| Network Types | HP® Jetdirect Fast Ethernet |
| Operating System Compatibility | IBM OS/2, Linux®, Mac® OS 9 and Later, Novell NetWare® 5.1, 6, 6.5 (optional 4.2), UNIX®, Windows® NT 4.0, 98, 2000, Me, XP, Server 2003 (32-bit and 64-bit drivers) |
| Paper Feeder Type | 2 Feeder Trays |
| Paper Input Capacity (Sheets) | 1100 |
| PC Free Printing | No |
| Print Resolution (Black) (Width x Height) | 600 @ 600 dpi |
| Print Resolution (Color) (Width x Height) | 600 @ 600 dpi |
| Printer Type | Laser |
| Processor | 533.0 MHz |
| Standard Memory | 288.0 MB |
| UOM from Inventory Unit Code | EA |
| Width | 28 1/4 in |