See if your Windows 7 and Windows XP Two computers are connected to the same LAN, the general small office will be a LAN. And make sure your printer is connected to the Windows XP system computer and is shared.
1, after doing a good job, open your computer to install Windows 7 system, connect to the same LAN as the XP system. Open the Control Panel, locate "Device and printer" and click it.
2, click on the "Device and printer", hit the top of the second button "Add Printer."
3, when adding a printer, he will ask you what type of printer to install, because we want to install Windows XP computer shared printer, so we choose "Add Network, wireless or Bluetooth printer." In the red box in the picture below.
4, at this time, the system will automatically search the entire LAN connected to the shared printer, if all goes well, a minute later can find Windows XP computer shared printer.
5, after finding the printer, this is all we need to select the shared printer, and then in the pop-up dialog box, select Set as the default printer.
6, if you can't find the printer's painting, we have to select "I need the printer not in the list", and then choose to use the "TCP/IP address or host name Add Printer." Then click Next:
6. At this time, we choose "TCP/IP Device", hostname or IP address, we enter the IP address of the computer of Windows XP system, then select "Next".
7, at this time, the system will automatically find the IP address for you to fill in the IP computer is connected to a shared printer, if so, you will be prompted to install the printer driver, and connect to the printer.