What do you mean by color spray, color print, tape print, and four colors? What are the differences between copper sheets and White Paper jams?

Color spray, that is, color spray, not printing; can only be used temporarily.
Color Printing, generally refers to the color laser printing, not printing, a small amount of can be used, the unit price is relatively expensive, a large amount of printing costs too much.
Tape printing is a general color printing, printing a printing machine, suitable for a large number of printing.
The four colors: red, blue, yellow, and black. Their colors are adjusted by the four basic colors.

Copper Sheet Paper is the most common printing paper, such as magazines on the market, Ruili, fashion, all of which are printed on copper sheet paper, which is divided into optical sheet paper and matte paper, it is the bright area of the paper surface. Just like a glossy photo and a matte photo.

White Paper jam is also a kind of printed paper. Generally, the two sides of White Paper jam are different. One side is white, and the other side is rough.