HKCU\Software\Microsoft\Windows NT\CurrentVersion\
The Devices subkey in HKEY_CURRENT_USER lists the printers to which the client computer has a connection.
Each of the entries in this subkey has the following format:
printer-name REG_SZ Driver-name,Port:
printer-name will either be
local printer
or
\\server\printername
.
driver-name for Windows clients will be
winspool
.
port will either be LPT1
or
Nexx
where xx is a numerical value,
starting with 00.