Copy to Word, then remove shading
Better than printing, just use the "more+" link under the article headline, and send to colleagues. If they lack insight or initiative, perhpas SUGGEST they subscribe for daily tips! Save yourself the future trouble!
If you insist on printing, try copying the article to Word, simply paste in blank page. Go to Edit> Select All, then Format> Borders & Shading> Shading tab> No fill> OK. This should remove the bg. Don'f forget to credit TR and the author.