HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Providers\LanMan Print Services\Servers\<server-name>\
The Printers subkey in the Providers subkey contains information about the individual network printers to which the local computer is connected.
Related Entries
Printers subkey in HKEY_CURRENT_USER
Printers subkey for local printers in SOFTWARE
Printers subkey for local printers in SYSTEM