Did you find out why it rejected? You might be able to just print it out and mail it in now.
If you need to fix something or fill it out again. Here are some blank forms & instructions for 2014
1040 https://www.irs.gov/pub/irs-prior/f1040--2014.pdf
Instructions https://www.irs.gov/pub/irs-prior/i1040gi--2014.pdf
1040A https://www.irs.gov/pub/irs-prior/f1040a--2014.pdf
Instructions https://www.irs.gov/pub/irs-prior/i1040a--2014.pdf
1040EZ https://www.irs.gov/pub/irs-prior/f1040ez--2014.pdf
Instructions https://www.irs.gov/pub/irs-prior/i1040ez--2014.pdf
2014 Tax Tables https://www.irs.gov/pub/irs-prior/i1040tt--2014.pdf
Publication 17 Tax Guide for 2014 https://www.irs.gov/pub/irs-prior/p17--2014.pdf
