HP Deskjet 3820 Color Inkjet Printer - Manual (Page 17)

connectivity
The printer offers a number of options for connectivity, including:
●
USB
●
parallel
USB
The printer can connect to the computer with a USB cable. Your computer must be
running Windows 98, Me, 2000, or XP operating system to use a USB cable.
For instructions on connecting the printer with a USB cable, see the Setup poster that
came with the printer.
parallel
The printer can connect to your computer with a parallel cable. Your computer must
be running Windows 95, 98, Me, 2000, NT4.0, or XP operating system to use a
parallel cable.
For instructions on connecting with a parallel cable, see the Setup poster that came
with the printer.