HP Deskjet 5850 Color Inkjet Printer - Manual (Page 208)

To increase speed, open the Advanced Features dialog box, then move the Dry Time
slider to Less .
computer does not meet system requirements
If your computer does not have enough RAM or a large amount of free space on the
hard drive, the printer processing time will be longer.
1. Verify that the computer's hard disk space, RAM, and processor speed meet
system requirements .
2. Free up space on the hard drive.
printer is in ink-backup mode
The printer may print more slowly if it is in ink-backup mode .
To increase the print speed, use two print cartridges in the printer.