Paper is weighed under the GSM scale, with loo roll coming in at around 16gsm, newsprint at 45 and light cardboard at around 200. Generally the heavier the paper the more it costs, both to print on ...
You can print double-sided on your Windows PC as a default setting or on a per-job basis. To print double-sided on your Windows computer for a single print job, you'll need to access the "Print" menu ...