That sounded like a great idea until I looked at the instructions.

https://support.brother.com/g/b/faqend.aspx?c=us&lang=en&prod=hl2280dw_us&faqid=faq00000063_036

That looked like more messing around then pulling out the tray and changing the width of the print material. 

Thank you for a great idea, just not on the printer I wanted.

I hope this comes across as a genuine thank you.