If scanner is not working but printer is working, follow these instructions i.e. update driver, restart Windows service, etc.
If Adobe Illustrator is not printing the correct size, in color, all the layers, or just not printing properly, then this post will help you troubleshoot the issue. Printing problems between ...
Printers have a knack for breaking at the worst possible time. Luckily, many of the most common problems are things you can actually sort out yourself.