Use an ink jet or laser printer to ensure a good quality print job. Always send originals. Photocopied resumes lose clarity in the process. Avoid abbreviations, even for degree titles. When in doubt, write it out.
Scanners are programmed to search for key words on a resume, so try to use as many as possible.
Your name should stand alone on the first line of your resume. Put your address below your name, not next to it or not above it. Explain any unfamiliar job titles. Do not fold your resume.