Each cartridge is good for about 25,000 sheets. She has a price list and brand names. Offset printing The offset method is the cheapest way to print four-color publications in quantity. Offset printing involves large presses that require metal plates for each page or signature. Four pages usually make up what a printer calls a signature.
Most printers expect an electronic copy, complete with fonts and clip art.
CMYK stands for cyan, magenta, yellow and black, the four colors that make up the four-color process. Every color that you see in a book or magazine is made up of these four colors. This isn't hard to do, but it is another step and you have to have the software to do it. Once you have all your images converted to CMYK, you can begin placing them into your document. To print color, the offset method requires a negative and plate for every ink color.