As of April 30, 2013 Customs and Border Protection (CBP) will begin to phase-in Form I-94 automation at air and sea ports of entry through April and May.
TN Visa holders who require a paper based copy of the I-94 form, can print one out at http://www.cbp.gov/I94
More details can be found here: http://www.cbp.gov/xp/cgov/travel/id_visa/i-94_instructions/i94_rollout.xml
Step 3. If you want a legal team to support you, use the Visa Streamline K1 Visa Service for 2 payments of $199.