Squid Ink Manufacturing, Inc. has introduced the easy-to-use SQ/2 ink jet printing system. It allows manufacturers to print high quality dot matrix characters on a variety of products at a cost-effective price.      The SQ/2 offers versatility for printing on a variety of products. The standard system is designed to run water-based inks for printing on corrugated cases, paper packaging and other porous surfaces. Non-porous surfaces such as plastic, metals, stretch films and coated papers can b...