T-Max traversing thermal transfer printers from Greydon are designed for multiple-lane horizontal or vertical form/ fill/seal machinery, blister packaging systems or horizontal continuous flow wrap equipment. The programmable series prints bar codes, other product identification/information, datecodes, lot numbers and expiration dates. It operates at speeds up to 12 in. per second. The company also offers the MicroMax wet ink printers that combine the print quality of flexographic rotary printers with the simplicity of a platen press.