The Risograph is an inexpensive, quick and funky alternative to screenprinting that has inherit limitations to output quality. For best results when designing a Risograph project take into consideration trapping, overprinting &minimizing ink laydown.
Screenprinting is always suggested over the Riso for a higher quality and a fully controlled print process. It is highly recommended that you do your research and familiarize yourself with the process beforehand.
Registration will not be perfect. It is best to assume that misregistration will happen. Part of the appeal of this process is the slight variation present across an edition
It is not uncommon in multi layer prints or prints with heavy ink laydown to experience roller marks along the leading edge. Luckily, these can be erased easily with a soft eraser. As a general rule, the less ink laydown the better. Full floods tend to have a salty or mottled appearance due to the ink laydown process within the machine.
The Risograph can print on a variety of uncoated paper sizes and stocks. 11x17 is the max paper size. Risographs cannot print full bleed on 11x17 sheets