| Compatibility Specs | : | Lexmark T640, T640dn, T640dt, T640dtn, T640n, T640rn, T640tn, T642, T642dn, |
| T642dtn, T642n, T642tn, T644, T644dn, T644dtn, T644n, T644tn | : | Duty Cycle: |
| 6000 pages | : | Print Color: |
| Black | : | Print Technology: |
| Laser ,Laser | : | Product Type: |
| Toner cartridge | : |