Associating a Driver with your Printer
To associate an installed driver with a printer, follow these steps:
Step 1 Log in to a Windows client as an administrative user.
Step 2 Enter the following command in the Run window on the Windows client:
\\wae_netbios_name
The printer share window appears.
Step 3 Double-click the printer icon to view a list of printers.
Step 4 Right-click on the printer you want to use, and select Properties.
Step 5 Click the Advanced tab, and in the Driver drop-down list select the appropriate driver.
Step 6 Click Apply to save your changes, and then click OK to close the window.
http://www.cisco.com/en/US/docs/app_ntwk_services/waas/wafs/v30/release/notes/rn3011.html#wp40127
http://www.cisco.com/en/US/docs/app_ntwk_services/waas/waas/v4019/configuration/guide/printsvr.html
http://www.cisco.com/en/US/prod/collateral/contnetw/ps5680/ps6870/prod_white_paper0900aecd8051d5f2.html
Hope this will bring some information out of this regarding your query.
Regards,
Sachin garg