| Brand | HP |
| Model Number | 28B51A |
| Printer Functions | Print, Copy & Scan |
| Type | All in One |
| Connectivity | Bluetooth, WiFi & USB |
| Speed | 15 ppm |
| weight | 6.05 kg |
| Duplex printing | Automatic |
| Duty cycle (monthly | |
| letter) | Up to 5000 pagesUp to 5000 pages |
| Duty cycle (monthly; A4) | Up to 5000 pages |
| Recommended monthly page volume | 400 to 800 |
| Print quality black (best) | Up to 1200 x 1200 rendered dpi |
| Print quality color (best) | Up to 4800 x 1200 optimized dpi color when printing from a computer and 1200 input dpi |
| Print languages | HP PCL 3 GUI |
| Print technology | HP Thermal Inkjet |
| Wireless capability | Yes; 2.4/5G dual band Wi-Fi; Wi-Fi Direct; BLE |
| Wireless technologies | Bluetooth® 5.0; 802.11a/b/g/n/ac; Wi-Fi® |
| Display | TN; Reflective; Positive LCD 70 x 12mm |
| Processor speed | 800 MHz |
| Maximum Memory | 128 MB |
| Scanner type | Flatbed only |
| Scan technology | Contact Image Sensor |
| Copy speed black | Up to 13 |
| Type | Color Printer |
| Package Dimension (W, H, L ) in cm | 35.5 x 21.6 x 9.3 |
| Warranty | 1 Year Warranty |