Have you tried connecting the printer to the PC yet? If you have and Windows recognised it then you should have selected the option to search Windows Update online for a driver.
If you did all that and it still couldn't locate a driver, then as mentioned earlier, post back the model number of the printer and also let us know whether you're running the 32bit or 64bit version of Windows 7. If you're not sure then you'll find that info in Control Panel -> System -> "System Type" section.
Following are some of the tips, which you must follow while you are using a printer with Windows 7 system.
Ensure that the cables are properly connected; you need to ensure that your printer is properly connected, and plugged in, and also the cable is accurately connected to the computer as well.
Check the power; make sure that the printer’s power is switched on, ensure that all the computer necessary computer components are also turned on.
Make sure that the hardware is properly plugged in, and also turned on. Apply troubleshooting.
A troubleshooter is a tool, which is generated automatically and which can easily fix the problems that occur with your system.
Thus, if you are coming across different issues related to your printer, then you can consult the troubleshooter.
You require driver applications to run your hardware devices.
Make sure that the drivers are not outdated, corrupt, or incompatible, resulting in disrupting the communication between the printer and the computer.
Always make sure that you are making use of the most recent and latest device drivers, and also that are compatible with your system requirements and specifications, as this can be extremely useful in resolving printer issues.