This essay is about how photocopiers work and how chemistry is involved in the process.

Photocopiers and laser printers are staple pieces of equipment in any office setting. Not that long ago, all copies were done by use of carbon paper or tedious recopying by hand. This modern invention that is so taken for granted in today's fast paced society was a long time in coming. The first photocopy, made of moss spores, gave way to several different types of polymer infused toners. The use of this innovation has allowed not only cheap, clean copies, but also a method by which the origin of these copies can be traced.
Before the advent of the photocopying machine, simple and chea…