King Rabbit HJ-1800 inkjet CAD plotter uses popular HP technology. It has 300 dpi resolution, USB 2.0 connectivity, double CPU control, 2 printing heads, 108 M2 / hour plotting, stainless steel spinous roller, servo + stepper drive, high stability and operant, automatic and manual ink carriage clearing, high speed, long time working, supports DMPL and HPGL language, fully supports for various CAD software.