Printing speed can reach 70 square meters per hour when resolution is 180*185dpi, and the speed is not influenced by density/shape/size/explanation/Qty. and mark of patterns, which guarantees the graph output efficiency. Printing cost is low, the consumption cost of paper and ink is less than 5 cents for per square meter. It抯 adaptable to different specs of paper such as 72inch/63inch/48inch. It抯 practical and economical with different width selections. It抯 adaptable to different types of paper such as (Standard paper/reused paper/heat-sensitive paper). It has double pulling paper tightening system. Specification: 1.6m/1.8m/2.2m