As you know how to share the files and printer on the network but you must be thinking out how to access from another computer and there are many ways how you can access with the help of other computer. Following are steps which explain how to access through another computer. If you are been barred from accessing the shared then you may not be able to make use of them. Before setting up the permission confirm it that to check the permission or you may fall in trouble afterwards so set it at the default option.
The most common way to find and access your shares is to search them and search in the Network Neighborhood or in the My network places and it depend on what type of operating system you are using. And for these you have to double click on the icon and then right click on it and pickup the explore. And after that double click on the entire Network and even the Microsoft Windows Network and at last name the Workgroup and you will see list of computers on your network and you can even see other workgroup or domains when you click on MY computer which has shared resources nd it will display the folders or any devices which are set as sharing.
As you see the shared folders and even the devices and copy paste files from the shared folders if you have the proper permission if the printers are set as shared you can double click and install them in your computer in order to print to a shared printer whenever connected to another computer but it should not be set in the standalone mode.

The other search option are first find out all the shared resources instead of browsing and if you directly know the computer name just type it in the RUN command and it will directly access you to that folder if you are searching for that on your network or else you can search it by using IP address and just go to start button and select the search option from the start menu and select the search for files and folders and it will be different from other relating to the Windows and click on the printers, computer and select it as computer on the network and finally type the name of the computer and click on the search button.
Or else you can install a shared network printer by clicking on the Start button and select the setting option and select it as Printers and faxes from the control panel and you will see the installation sector of network printer.