LPR vs Raw TCP/IP Printing Protocol

According to the below paper, Raw TCP/IP is more than 50% faster than LPR.
Comparative Efficiency Analysis of LPR and Raw TCP/IP Printing Protocols

Apple Talk is not support by my printer server TE100-MP2U.
My printer's SMB printer can not see by my Windows 7.
LPR is slow.
My printer server's Raw TCP/IP is not compatible with Windows 7.

Removing the useless Thinkpad System Update control panel item

Download ShellObjectEditor and remove it! :)