How Does Commerical Offset Printing Differ from Desktop Printing?

The three primary differences in offset printing and desktop printing (such as inkjet and laser) are the colors of ink and the way the ink is placed on the paper as well as the type of machinery used to accomplish the task.

Howard Bear, Jacci. About.com (2007). Articles>Document Design>Prepress>Printing

Successfully Merging Litho and Digital  

The merger of offset lithography with digital printing is a highly successful technique that maximizes the benefits of both technologies.

Copresco (1999). Articles>Document Design>Prepress>Printing

Ten Pre-Press Tips For Perfect Print Publishing

A lot of designers think CMYK is the way to go when designing for print. We will, of course, always use CMYK-based ink, but this does not mean you have to work with CMYK files. You can work with RGB images to perfectly optimize your print colors.

Kramer, Marco. Smashing (2009). Articles>Document Design>Prepress>Printing

Printing and Prepress Basics

While art and design schools do an impressive job of teaching the importance of form, function, and how to use flashy Photoshop techniques, it's rare that designers have been taught the skills necessary to pass off their projects to printers so that they may not only successfully, but smoothly, produce a designed work. In this article, I'll discuss the basics when it comes to translating your brilliant ideas (and surely hours of your precious time and energy) into successfully printed projects with a printer, making it easier to keep your deadlines and maintain a blissfully happy and healthy relationship with your vendor.

Stanley, Brandi. Tuts Plus (2009). Articles>Document Design>Prepress>Printing