![background image](https://i.inkjetdoc.com/HP Deskjet 3845 Color Inkjet Printer/en/HP Deskjet 3845 Color Inkjet Printer_en003.png)
3.1 Printer features
The HP printer has several features to make printing easier and more efficient.
1.
Buttons and light
2.
Paper trays
HP Deskjet 3840 series printer
3
![background image](https://i.inkjetdoc.com/HP Deskjet 3845 Color Inkjet Printer/en/HP Deskjet 3845 Color Inkjet Printer_en004.png)
1.
Print cartridges
2.
Ink-backup mode
1.
USB port
3.1 Printer features
The HP printer has several features to make printing easier and more efficient.
1.
Buttons and light
2.
Paper trays
HP Deskjet 3840 series printer
3
1.
Print cartridges
2.
Ink-backup mode
1.
USB port