| Printer model | Part number | |
| HP LaserJet 1020 printer | Q5911A | |
| Operating system | Feature | Minimum system requirements |
| Windows Vista, 7, 8, 10 | Processor | 1 GHz 32-bit (x86) or 64-bit (x64) processor |
| RAM | 1 GB (32-bit) or 2 GB (64-bit) | |
| Free disk space | 2 GB | |
| Connectivity | Hi-Speed 2.0 USB port | |
| Browser | Internet Explorer, Firefox, Google Chrome | |
| Windows XP | Processor | Pentium 233 MHz processor |
| RAM | 128 MB | |
| Free disk space | 150 MB | |
| CD ROM drive | Required | |
| Connectivity | Hi-Speed 2.0 USB port | |
| Browser | Internet Explorer 6.0 | |
| Windows 2000 | Processor | Pentium 166 MHz processor |
| RAM | 64 MB | |
| Free disk space | 150 MB | |
| CD ROM drive | Required | |
| Connectivity | Hi-Speed 2.0 USB port | |
| Browser | Internet Explorer 6.0 | |
| Height | 209 mm (8.2 inches) | |
| Width | 370 mm (14.6 inches) | |
| Depth | 242 mm (9.5 inches) | |
| Weight (2,000-page cartridge installed) | 5.9 kg (13.0 lb) | |