It would have been a public service if you had saved the ink and paper.
"Finch said we ought to save paper for the epidemic."
Perhaps an online reminder service would help you remember things and save paper, too.
We should save paper and recicle in order to preserve our forests.
You can also save money, and trees, by saving paper.
To save ink and paper, consider printing more than one page on a single sheet.
I would also save paper and ink from printing the recipes off my computer.
Now produced in Area sheets to save paper; if you actually need a list for the whole country ask.
Some time later, after more sheets had been printed, the number of lines per page was increased from 40 to 42, presumably to save paper.
But while the new systems might save paper and time, they do nothing to lessen the time spent in security lines.