Some more information regarding the information in figure 1:
From the Print Server feature install page:
Print and Document Services enables you to centralize print server and network printer management
tasks. With this role, you can also receive scanned documents from network scanners and route the
documents to a shared network resource, Windows SharePoint Services site, or e-mail addresses.
Things to Note:
Windows Server 2012 supports print queues using either Type 3 or Type 4 printer drivers.
Microsoft recommends using Type 4 printer drivers where possible. With Type 4 printer drivers users
who are not members of the local administrators group can connect to the printer by default and
users on 32-bit clients can connect without a 32-bit driver on the print server.
To enable clients to connect to shared print queues supported using Type 3 printer drivers on the
print server, you should use signed, package aware drivers. If signed or package aware drivers are
unavailable, client users must either be local administrators or you must have already set the
"Computer\Administrative Templates\Printers\Point and Print Restrictions" group policy to configure
security prompts.
If you are using Type 3 printer drivers and have any 32-bit clients, you must install the matching 32-
bit version of the printer driver on the print server. If you no not install the 32-bit drivers, clients may
not be able to successfully connect to the printer.