How to install configure printers on Linux

Install required packages

apt-get install cups cups-client "foomatic-db".

Add user to lpadmin group

adduser root lpadmin

Output

 Adding user `root' to group `lpadmin' ...
 Adding user root to group lpadmin
 Done.

Restart cups and samba service

service cups restart 

service samba restart

 Find USB printer

netstat -ant | grep 631 

lsusb

Configuring Printer

     Open browser and type:
    http://127.0.0.1:631/
    In semicolon: CUPS for Administrators
    Click on Adding Printers and Classes
    Click on Add printer
    Type your username(system account) and password(system password)
    Choose your printer
    Follow instructions to complete rest of the installation……
    In System Settings: Go and check
        Printers
    You’ll see your installed printer

Is the printer on Win7 shared? 
try adding it directly using one of the following URI examples:

smb://WORKGROUP_NAME/MACHINE_NAME/PrinterName
smb://MACHINE_NAME/PrinterName
smb://192.168.0.100/PrinterName

List samba shares

smbclient -L < Windows host name > -U < Windows Administrator account >