Sometimes. Sometimes they are just lazy.
Examination paper
The official document with your grades is called your transcript.
It was 9 copies of the treaty paper.
a photocopier copies paper or pictures
to produce one or more copies of paper document
Five ounces
If a photocopier is not making copies there is something missing. No paper, no toner, no electricity, paper jam within the machine to name a few.
Triplicate. You don't hear it used to often anymore with the invention of the copy machine and electronic documents but they used to consist of a piece of paper usually white, carbon paper, yellow paper, carbon paper, pink paper. Or three white pieces with carbon paper in between them. Used for official documents. Something made in quadruplicate is an original and three copies. Triplicate is original and two copies.
3 sheets
There are both basic and acidic paper making processes. Different ones are used for different grades of paper.
there are different grades of it depending on the roughens
Many grades of paper ranging from newsprint to cast coated are used for printing magazine.