| Borderless Printing | No |
| Catalog Publishing Type | Laser/Solid Ink |
| Compliance, Standards | ENERGY STAR Qualified |
| Connector/Port | 2 ISP, Ethernet, Parallel, USB, USB Direct Interface |
| Depth | 28.20 in |
| Duplex Printing | Automatic |
| Emulations | PostScript 3 and PCL 6 emulations, PPDS Migration Tool |
| First Page Out | 8.5 s |
| Global Product Type | Printers |
| Height | 23.10 in |
| LCD Display | Yes |
| Maximum Memory | 640 MB |
| Maximum Paper Size | 8 1/2 in x 14 in |
| Maximum Print Speed (Black) | 50.0 pages/min |
| Model Name/Number | T644dtn |
| Monthly Duty Cycle (Pages) | 250000 |
| Network Capable | Yes |
| Network Ready | Yes |
| Network Types | 10/100 Base-TX Ethernet |
| Paper Feeder Type | 2 Feeder Trays, Multipurpose Tray |
| Paper Input Capacity (Sheets) | 1100 |
| PC Free Printing | Yes |
| Print Resolution (Black) (Width x Height) | 1200 x 1200 dpi |
| Printer Type | Laser |
| Processor | 514.0 MHz |
| Standard Memory | 128.0 MB |
| UOM from Inventory Unit Code | EA |
| Width | 17.20 in |