On printing refers to the goods or packaging are printed on a variety of constantly changing information

On printing refers to the goods or packaging are printed on a variety of constantly changing information. Such as product production date, batch number, code, logo, product freshness, validity and price, composition, color, weight, size, etc. The content for commodity warehousing, transportation, sales and consumers to purchase is very important, and often STAR printer ribbon should change. , therefore, not when printing packing bag, packing and label printing, print out a blank sash only when necessary, after packaging for printing.
Early printing method, is done by hand. Commonly used is the pragraphs plate (on galvanized steel or waxed paper thin, such as the need to print words and figures carved hole), ink or paint brush with the brush on the container; Also can use spray gun spray printing; Sometimes used rubber carved into a seal for printing.
With the need of modern Epson printer ribbon dfx8000/5000 production, there appeared a lot of semi-automatic and fully automatic printer. Can be divided into two kinds: one kind is contact printer; Another kind is contact the printer.

Contact print is dip in with ink printing element direct contact with the packaging material or container surface printing. Including wet printing, hot stamping and dry three methods. The wet printing and direct printing and transfer printing two.