To install the printer you have to connect it to the PC/ laptop and install the drivers for the operating system you have on your PC. If you have the drivers CD, you can use it to install the drivers. Insert the CD in to the CD ROM Drive and follow the on-screen instructions. If you don't have the disk, you may download the driver from the official Ricoh support site.Drivers for Ricoh SP C221SF
From the above link you can download/ install the required drivers . Download all the files listed under the version of the operating system you have on your PC. Run/ Install them one by one. These files include printer drivers, scanner drivers, usb drivers etc.
Hope it helps! Good Luck! Thanks for using Fixya!